{"id":77285,"date":"2024-08-29T16:39:58","date_gmt":"2024-08-29T09:39:58","guid":{"rendered":"https:\/\/itviec.com\/blog\/?p=77285"},"modified":"2024-08-29T16:39:58","modified_gmt":"2024-08-29T09:39:58","slug":"lo-trinh-hoc-backend","status":"publish","type":"post","link":"https:\/\/itviec.com\/blog\/lo-trinh-hoc-backend\/","title":{"rendered":"L\u1ed9 tr\u00ecnh h\u1ecdc Backend to\u00e0n di\u1ec7n A-Z cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed9i dung b\u00e0i vi\u1ebft<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-backend\/#Lo_trinh_hoc_Backend_Kien_thuc_nen_tang_ve_Internet\" >L\u1ed9 tr\u00ecnh h\u1ecdc Backend: Ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u1ec1 Internet<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-backend\/#Lo_trinh_hoc_Backend_Kien_thuc_chuyen_mon_ve_lap_trinh_backend\" >L\u1ed9 tr\u00ecnh h\u1ecdc Backend: Ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n v\u1ec1 l\u1eadp tr\u00ecnh backend<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-backend\/#Lo_trinh_hoc_Backend_Ky_nang_mem\" >L\u1ed9 tr\u00ecnh h\u1ecdc Backend: K\u1ef9 n\u0103ng m\u1ec1m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-backend\/#Cac_cau_hoi_thuong_gap_ve_lo_trinh_hoc_Backend\" >C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc Backend<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-backend\/#Tong_ket_lo_trinh_hoc_Backend\" >T\u1ed5ng k\u1ebft l\u1ed9 tr\u00ecnh h\u1ecdc Backend<\/a><\/li><\/ul><\/nav><\/div>\n<p><b><i>Backend Developer l\u00e0 ng\u00e0nh ngh\u1ec1 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao, \u0111\u01b0\u1ee3c s\u0103n \u0111\u00f3n h\u00e0ng lo\u1ea1t v\u1edbi m\u1ee9c thu nh\u1eadp r\u1ea5t h\u1ea5p d\u1eabn. Nh\u01b0ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u201c\u0111\u1ec9nh cao\u201d \u0111\u00f3, tr\u01b0\u1edbc h\u1ebft, b\u1ea3n th\u00e2n m\u1ed7i Backend Developer ph\u1ea3i h\u1ecdc h\u1ecfi v\u00e0 n\u1eafm th\u1eadt v\u1eefng c\u00e1c ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n. V\u1eady h\u1ecdc backend c\u1ea7n nh\u1eefng g\u00ec? ITviec \u0111\u00e3 h\u1ec7 th\u1ed1ng l\u1ed9 tr\u00ecnh h\u1ecdc Backend c\u1ea7n thi\u1ebft cho m\u1ed9t Backend Developer trong b\u00e0i vi\u1ebft n\u00e0y.<\/i><\/b><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ecdc b\u00e0i vi\u1ebft n\u00e0y \u0111\u1ec3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc Backend c\u1ea7n nh\u1eefng g\u00ec:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u1ec1 Internet\u00a0<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 l\u1eadp tr\u00ecnh backend<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u1ef9 n\u0103ng m\u1ec1m c\u1ea7n c\u00f3 \u0111\u1ed1i v\u1edbi Backend Developer<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Lo_trinh_hoc_Backend_Kien_thuc_nen_tang_ve_Internet\"><\/span><b>L\u1ed9 tr\u00ecnh h\u1ecdc Backend: Ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u1ec1 Internet<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">C\u00f3 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 internet gi\u00fap Backend Developer c\u00f3 c\u00e1i nh\u00ecn to\u00e0n di\u1ec7n v\u1ec1 h\u1ec7 th\u1ed1ng, t\u1eeb \u0111\u00f3 x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng hi\u1ec7u qu\u1ea3, b\u1ea3o m\u1eadt v\u00e0 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c c\u00e1c nhu c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng. \u1ede b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean c\u1ee7a l\u1ed9 tr\u00ecnh h\u1ecdc Backend, Backend Developer c\u1ea7n n\u1eafm \u0111\u01b0\u1ee3c c\u00e1c ki\u1ebfn th\u1ee9c g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Internet: C\u00e1c th\u00e0nh ph\u1ea7n c\u01a1 b\u1ea3n c\u1ee7a m\u1ea1ng nh\u01b0 m\u00e1y ch\u1ee7, client, protocol,\u2026 v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a ch\u00fang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">HTTP: N\u1eafm v\u1eefng c\u00e1c ph\u01b0\u01a1ng th\u1ee9c (method), status code, header, cookie v\u00e0 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng c\u1ee7a giao th\u1ee9c HTTP.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Browsers: C\u00e1ch tr\u00ecnh duy\u1ec7t x\u1eed l\u00fd HTML, CSS, JavaScript v\u00e0 render trang web.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">DNS: C\u00e1ch \u00e1nh x\u1ea1 t\u00ean mi\u1ec1n th\u00e0nh \u0111\u1ecba ch\u1ec9 IP.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Domain name: Hi\u1ec3u v\u1ec1 c\u1ea5u tr\u00fac v\u00e0 \u0111\u0103ng k\u00fd t\u00ean mi\u1ec1n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Hosting: N\u1eafm \u0111\u01b0\u1ee3c c\u00e1c lo\u1ea1i hosting nh\u01b0 shared hosting, VPS (Virtual Private Server), dedicated hosting, v\u00e0 cloud hosting. Hi\u1ec3u c\u00e1ch tri\u1ec3n khai \u1ee9ng d\u1ee5ng web l\u00ean c\u00e1c n\u1ec1n t\u1ea3ng n\u00e0y \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t v\u00e0 b\u1ea3o m\u1eadt.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Lo_trinh_hoc_Backend_Kien_thuc_chuyen_mon_ve_lap_trinh_backend\"><\/span><b>L\u1ed9 tr\u00ecnh h\u1ecdc Backend: Ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n v\u1ec1 l\u1eadp tr\u00ecnh backend<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b> Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh backend Python, JavaScript,\u2026<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 tr\u1edf th\u00e0nh Backend Developer, b\u1ea1n c\u1ea7n bi\u1ebft \u00edt nh\u1ea5t m\u1ed9t ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh c\u1ee5 th\u1ec3. \u0110\u00e2y c\u0169ng l\u00e0 kh\u00eda c\u1ea1nh s\u1ebd h\u00ecnh th\u00e0nh n\u1ec1n t\u1ea3ng cho c\u00f4ng vi\u1ec7c c\u1ee7a b\u1ea1n.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Theo <a href=\"https:\/\/survey.stackoverflow.co\/2024\/technology\/\" target=\"_blank\" rel=\"noopener\">kh\u1ea3o s\u00e1t th\u01b0\u1eddng ni\u00ean c\u1ee7a Stack Overflow<\/a>, JavaScript l\u00e0 ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh ph\u1ed5 bi\u1ebfn nh\u1ea5t trong s\u1ed1 c\u00e1c ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh hi\u1ec7n nay. Ngo\u00e0i ra, b\u1ea1n c\u00f2n c\u00f3 th\u1ec3 l\u1ef1a ch\u1ecdn h\u1ecdc m\u1ed9t s\u1ed1 ng\u00f4n ng\u1eef kh\u00e1c tu\u1ef3 theo m\u1ed9t s\u1ed1 g\u1ee3i \u00fd trong b\u1ea3ng sau:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh<\/b><\/td>\n<td><b>\u0110\u1eb7c \u0111i\u1ec3m<\/b><\/td>\n<td><b>C\u00e1c t\u00ednh n\u0103ng ch\u00ednh<\/b><\/td>\n<td><b>C\u00e1c c\u00f4ng ty s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7<\/b><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/javascript-la-gi\/\" target=\"_blank\" rel=\"noopener\"><b>JavaScript<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eb9, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u1ea3 ph\u00e1t tri\u1ec3n front v\u00e0 backend<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. Ki\u1ec3u \u0111\u1ed9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. X\u1eed l\u00fd kh\u00f4ng \u0111\u1ed3ng b\u1ed9.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. \u0110\u1ed9c l\u1eadp v\u1edbi n\u1ec1n t\u1ea3ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Meta, PayPal, LinkedIn, Slack<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/java-la-gi\/\" target=\"_blank\" rel=\"noopener\"><b>Java<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng web c\u1ea5p doanh nghi\u1ec7p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. H\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. \u0110\u01a1n gi\u1ea3n &amp; An to\u00e0n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. \u0110a lu\u1ed3ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Adobe, Microsoft, HubSpot, Samsung<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/tai-lieu-lap-trinh-python\/\" target=\"_blank\" rel=\"noopener\"><b>Python<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">L\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u cho backend, \u0111\u1eb7c bi\u1ec7t l\u00e0 cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. D\u1ec5 h\u1ecdc t\u1eadp.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. Th\u01b0 vi\u1ec7n m\u1edf r\u1ed9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. T\u00ednh di \u0111\u1ed9ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Google, YouTube, Bitly, Netflix, Uber<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/php-la-gi\/\" target=\"_blank\" rel=\"noopener\"><b>PHP<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho c\u00e1c ho\u1ea1t \u0111\u1ed9ng ph\u00eda m\u00e1y ch\u1ee7<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. T\u00ednh linh ho\u1ea1t cao.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. \u0110\u01a1n gi\u1ea3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. Ph\u00e2n bi\u1ec7t ch\u1eef hoa ch\u1eef th\u01b0\u1eddng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Tumblr, Etsy, WordPress, Wikipedia<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/lap-trinh-c-2\/\" target=\"_blank\" rel=\"noopener\"><b>C#<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho .NET Framework, s\u1eed d\u1ee5ng cho nhi\u1ec1u \u1ee9ng d\u1ee5ng kh\u00e1c nhau.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. Gi\u1ea3i ph\u00f3ng b\u1ed9 nh\u1edb.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. H\u1ed7 tr\u1ee3 IDE.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. Strong typing.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Stack Overflow, Microsoft, ServiceTitan, Trustpilot<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Ruby<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng web v\u00e0 d\u1ecbch v\u1ee5 x\u1eed l\u00fd d\u1eef li\u1ec7u.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. Duck &amp; Dynamic Typing<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. Quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. T\u00ednh linh ho\u1ea1t cao.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Airbnb, Twitch, Hulu, Slideshare, Goodreads<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/golang-la-gi\/\" target=\"_blank\" rel=\"noopener\"><b>Golang<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">M\u1edbi, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c d\u1ecbch v\u1ee5 m\u1ea1ng v\u00e0 \u1ee9ng d\u1ee5ng web<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. H\u1ed7 tr\u1ee3 \u0111\u1ed3ng th\u1eddi.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. Bi\u00ean d\u1ecbch nhanh.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. D\u1ec5 h\u1ecdc,<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Google, Dailymotion, Dropbox, SoundCloud<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/typescript-la-gi\/\" target=\"_blank\" rel=\"noopener\"><b>TypeScript<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">Strong typing, s\u1eed d\u1ee5ng c\u00f9ng v\u1edbi JavaScript<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. H\u1ed7 tr\u1ee3 JS.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. Kh\u1ea3 n\u0103ng di \u0111\u1ed9ng.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. <\/span><span style=\"font-weight: 400;\">Statically Typed.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Medium, DoorDash, Canva, Kavak<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Rust<\/b><\/td>\n<td><span style=\"font-weight: 400;\">\u0110a n\u1ec1n t\u1ea3ng, <\/span><span style=\"font-weight: 400;\">general-purpose,<\/span><span style=\"font-weight: 400;\"> hi\u1ec7u qu\u1ea3 cho h\u1ec7 \u0111i\u1ec1u h\u00e0nh v\u00e0 web<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. Ph\u00e2n b\u1ed5 b\u1ed9 nh\u1edb.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. B\u1ea3o m\u1eadt.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. Th\u00f4ng b\u00e1o l\u1ed7i.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cloudflare, Mozilla, Amazon, Coursera<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/kotlin-la-gi\/\" target=\"_blank\" rel=\"noopener\"><b>Kotlin<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea5p cao, c\u00f3 th\u1ec3 t\u01b0\u01a1ng t\u00e1c v\u1edbi Java<\/span><\/td>\n<td><span style=\"font-weight: 400;\">1. M\u00e3 ng\u1eafn g\u1ecdn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">2. Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u1edbi Java.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">3. <\/span><span style=\"font-weight: 400;\">Lazy Loading.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Evernote, Netflix, Pinterest, Trello<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b> Khung ph\u1ea7n m\u1ec1m (frameworks) backend ph\u1ed5 bi\u1ebfn<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">V\u1edbi m\u1ed9t framework backend, b\u1ea1n c\u00f3 th\u1ec3 lo\u1ea1i b\u1ecf nhu c\u1ea7u t\u1ea1o ra m\u1ed9t b\u1ed9 th\u01b0 vi\u1ec7n v\u00e0 c\u1ea5u tr\u00fac code kh\u00e1c nhau cho m\u1ed7i ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh. Thay v\u00e0o \u0111\u00f3, ch\u1ecdn nh\u1eefng g\u00ec ph\u00f9 h\u1ee3p v\u1edbi kh\u1ea3 n\u0103ng v\u00e0 kinh nghi\u1ec7m l\u1eadp tr\u00ecnh c\u1ee7a m\u00ecnh t\u1eeb c\u00e1c c\u1ea5u tr\u00fac code v\u00e0 th\u00e0nh ph\u1ea7n c\u00f3 s\u1eb5n trong framework.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong ng\u00f4n ng\u1eef PHP, Laravel l\u00e0 m\u1ed9t framework PHP m\u00e3 ngu\u1ed3n m\u1edf, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 gi\u00fap c\u00e1c l\u1eadp tr\u00ecnh vi\u00ean x\u00e2y d\u1ef1ng c\u00e1c \u1ee9ng d\u1ee5ng web m\u1ed9t c\u00e1ch nhanh ch\u00f3ng, hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n. V\u1edbi c\u00fa ph\u00e1p r\u00f5 r\u00e0ng, c\u1ea5u tr\u00fac MVC (Model-View-Controller) v\u00e0 nhi\u1ec1u t\u00ednh n\u0103ng h\u1eefu \u00edch, Laravel \u0111\u00e3 tr\u1edf th\u00e0nh m\u1ed9t trong nh\u1eefng framework PHP ph\u1ed5 bi\u1ebfn nh\u1ea5t hi\u1ec7n nay.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea3ng so s\u00e1nh c\u00e1c Framework backend ph\u1ed5 bi\u1ebfn hi\u1ec7n nay:<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td><b>Frame-work<\/b><\/td>\n<td><b>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/b><\/td>\n<td><b>Kh\u1ea3 n\u0103ng h\u1ecdc t\u1eadp<\/b><\/td>\n<td><b>Kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng<\/b><\/td>\n<td><b>C\u1ed9ng \u0111\u1ed3ng<\/b><\/td>\n<td><b>Hi\u1ec7u su\u1ea5t<\/b><\/td>\n<td><b>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<\/b><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/laravel-la-gi\/\" target=\"_blank\" rel=\"noopener\"><b>Laravel<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 ph\u00e1t tri\u1ec3n c\u00f9ng v\u1edbi \u1ee9ng d\u1ee5ng v\u00ec n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 x\u1eed l\u00fd nhi\u1ec1u c\u00f4ng vi\u1ec7c m\u1ed9t c\u00e1ch tr\u01a1n tru.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; D\u1ec5 h\u1ecdc, \u0111\u1eb7c bi\u1ec7t n\u1ebfu b\u1ea1n m\u1edbi l\u00e0m quen v\u1edbi c\u00e1c framework PHP.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; C\u00e1ch t\u1ed5 ch\u1ee9c r\u00f5 r\u00e0ng, d\u1ec5 hi\u1ec3u.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; \u0110i k\u00e8m v\u1edbi c\u00e1c t\u00ednh n\u0103ng t\u00edch h\u1ee3p cho c\u00e1c t\u00e1c v\u1ee5 ph\u1ed5 bi\u1ebfn nh\u01b0 \u0111\u0103ng nh\u1eadp ng\u01b0\u1eddi d\u00f9ng v\u00e0 g\u1eedi email, gi\u00fap t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; C\u1ed9ng \u0111\u1ed3ng l\u1edbn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; C\u00f3 nhi\u1ec1u t\u00e0i nguy\u00ean nh\u01b0 blog, di\u1ec5n \u0111\u00e0n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u00ec n\u00f3 c\u00f3 th\u1ec3 l\u01b0u tr\u1eef d\u1eef li\u1ec7u v\u00e0 x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 \u1edf ch\u1ebf \u0111\u1ed9 n\u1ec1n. Nh\u01b0ng c\u00f3 th\u1ec3 kh\u00f4ng nhanh b\u1eb1ng c\u00e1c framework \u0111\u01a1n gi\u1ea3n h\u01a1n cho c\u00e1c d\u1ef1 \u00e1n th\u1ef1c s\u1ef1 ph\u1ee9c t\u1ea1p<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; C\u1ea7n PHP 7.3 tr\u1edf l\u00ean v\u00e0 ho\u1ea1t \u0111\u1ed9ng v\u1edbi h\u1ea7u h\u1ebft c\u00e1c d\u1ecbch v\u1ee5 l\u01b0u tr\u1eef web.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Redis, Memcached, MySQL v\u00e0 PostgreSQL. T\u01b0\u01a1ng th\u00edch v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y nh\u01b0 AWS, Google Cloud v\u00e0 Azure.\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Django<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Cho ph\u00e9p m\u1edf r\u1ed9ng c\u00e1c ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng ri\u00eang bi\u1ec7t khi c\u1ea7n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 r\u1ea5t nhi\u1ec1u h\u01b0\u1edbng d\u1eabn v\u00e0 tr\u1ee3 gi\u00fap c\u00f3 s\u1eb5n n\u00ean Django l\u1ef1a ch\u1ecdn t\u1ed1t cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u trong ph\u00e1t tri\u1ec3n web v\u00e0 l\u1eadp tr\u00ecnh.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Cung c\u1ea5p nhi\u1ec1u c\u00f4ng c\u1ee5 t\u00edch h\u1ee3p cho c\u00e1c t\u00e1c v\u1ee5 ph\u1ed5 bi\u1ebfn nh\u01b0 x\u1eed l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u, t\u1ea1o b\u1ea3ng \u0111i\u1ec1u khi\u1ec3n qu\u1ea3n tr\u1ecb v\u00e0 qu\u1ea3n l\u00fd b\u1ed1 c\u1ee5c trang web.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 c\u1ed9ng \u0111\u1ed3ng l\u1edbn nh\u01b0 Stack Overflow, di\u1ec5n \u0111\u00e0n tr\u1ef1c tuy\u1ebfn v\u00e0 c\u00e1c nh\u00f3m.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00e1 nhanh khi b\u1eaft \u0111\u1ea7u, nh\u01b0ng c\u00f3 th\u1ec3 ch\u1eadm l\u1ea1i khi giao ti\u1ebfp v\u1edbi c\u01a1 s\u1edf d\u1eef li\u1ec7u.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ho\u1ea1t \u0111\u1ed9ng ch\u1eb7t ch\u1ebd v\u1edbi Python v\u00e0 \u01b0u ti\u00ean c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u SQL nh\u01b0 PostgreSQL.\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Spring Boot<\/b><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; Spring boot s\u1eed d\u1ee5ng Java, gi\u00fap b\u1ea1n chia \u1ee9ng d\u1ee5ng th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf h\u01a1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n ri\u00eang bi\u1ec7t.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; D\u1ec5 h\u1ecdc cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; D\u1ec5 d\u00e0ng x\u1eed l\u00fd nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c d\u1eef li\u1ec7u h\u01a1n m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm l\u1ea1i.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; L\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a gia \u0111\u00ecnh Spring, \u0111\u01b0\u1ee3c nhi\u1ec1u nh\u00e0 ph\u00e1t tri\u1ec3n s\u1eed d\u1ee5ng v\u00e0 h\u1ed7 tr\u1ee3.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; C\u1ed9ng \u0111\u1ed3ng tr\u1ef1c tuy\u1ebfn l\u1edbn th\u00f4ng qua c\u00e1c di\u1ec5n \u0111\u00e0n, b\u00e0i vi\u1ebft v\u00e0 th\u1eadm ch\u00ed l\u00e0 c\u00e1c l\u1edbp h\u1ecdc.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; Gi\u00fap b\u1ea1n b\u1eaft \u0111\u1ea7u m\u1ed9t d\u1ef1 \u00e1n m\u1edbi d\u1ec5 d\u00e0ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ea7n Java 8 ho\u1eb7c m\u1edbi h\u01a1n v\u00e0 ho\u1ea1t \u0111\u1ed9ng v\u1edbi c\u00e1c m\u00e1y ch\u1ee7 v\u00e0 c\u01a1 s\u1edf d\u1eef li\u1ec7u ch\u00ednh nh\u01b0 MySQL v\u00e0 MongoDB<\/span><\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/itviec.com\/blog\/ruby-on-rails\/\" target=\"_blank\" rel=\"noopener\"><b>Ruby on Rails<\/b><\/a><\/td>\n<td><span style=\"font-weight: 400;\">Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Redis v\u00e0 Memcached \u0111\u1ec3 gi\u1ea3m t\u1ea3i cho c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Th\u00edch h\u1ee3p cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; T\u1eadp trung v\u00e0o vi\u1ec7c l\u00e0m m\u1ecdi th\u1ee9 \u0111\u01a1n gi\u1ea3n h\u01a1n b\u1eb1ng c\u00e1ch c\u00f3 c\u00e1c quy t\u1eafc c\u1eaft gi\u1ea3m l\u01b0\u1ee3ng m\u00e3 b\u1ea1n c\u1ea7n vi\u1ebft.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; D\u1ec5 d\u00e0ng th\u00eam c\u00e1c t\u00ednh n\u0103ng m\u1edbi<\/span><\/td>\n<td><span style=\"font-weight: 400;\">M\u1ea1ng l\u01b0\u1edbi h\u1ed7 tr\u1ee3 m\u1ea1nh m\u1ebd<\/span><\/td>\n<td><span style=\"font-weight: 400;\">T\u1ed1c \u0111\u1ed9 ch\u1ea1y c\u1ee7a Ruby on Rails ph\u1ee5 thu\u1ed9c v\u00e0o m\u1ee9c \u0111\u1ed9 ph\u1ee9c t\u1ea1p c\u1ee7a \u1ee9ng d\u1ee5ng.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u SQL nh\u01b0 MySQL v\u00e0 PostgreSQL v\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng \u0111\u00e1m m\u00e2y nh\u01b0 Heroku v\u00e0 AWS.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>ASP.NET Core<\/b><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng v\u00e0 d\u1eef li\u1ec7u v\u00ec n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng \u0111\u1ec3 ph\u00e1t tri\u1ec3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 h\u1ecdc v\u00e0 s\u1eed d\u1ee5ng h\u01a1n c\u00e1c phi\u00ean b\u1ea3n c\u0169.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; C\u00f3 nhi\u1ec1u h\u01b0\u1edbng d\u1eabn v\u00e0 c\u00e1ch thi\u1ebft l\u1eadp r\u00f5 r\u00e0ng gi\u00fap Backend Developer d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd c\u00e1c ph\u1ea7n c\u1ee7a \u1ee9ng d\u1ee5ng nh\u1edd t\u00ednh n\u0103ng\u00a0 dependency injection.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ed9ng \u0111\u1ed3ng l\u1edbn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Nh\u1eb9 v\u00e0 nhanh. B\u1ea1n c\u00f3 th\u1ec3 l\u01b0u d\u1eef li\u1ec7u \u0111\u1ec3 s\u1eed d\u1ee5ng sau c\u0169ng kh\u00f4ng g\u00e2y \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u t\u1edbi kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; Ho\u1ea1t \u0111\u1ed9ng tr\u00ean Windows, Linux v\u00e0 macOS. &#8211; Cod th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00e1c nhau nh\u01b0 SQL Server ho\u1eb7c MongoDB.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Express.js<\/b><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; C\u00f3 th\u1ec3 x\u1eed l\u00fd vi\u1ec7c ph\u00e1t tri\u1ec3n r\u1ea5t t\u1ed1t v\u00ec n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean Node.js, m\u1ed9t c\u00f4ng c\u1ee5 t\u1ed1t \u0111\u1ec3 qu\u1ea3n l\u00fd nhi\u1ec1u c\u00f4ng vi\u1ec7c m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm l\u1ea1i.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 h\u1ecdc cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00e1 d\u1ec5 s\u1eed d\u1ee5ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 n\u1ebfu b\u1ea1n \u0111\u00e3 quen thu\u1ed9c v\u1edbi Node.js.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ed9ng \u0111\u1ed3ng l\u1edbn<\/span><\/td>\n<td><span style=\"font-weight: 400;\">R\u1ea5t nhanh v\u00ec n\u00f3 s\u1eed d\u1ee5ng Node.js, x\u1eed l\u00fd c\u00e1c t\u00e1c v\u1ee5 hi\u1ec7u qu\u1ea3 m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; Ho\u1ea1t \u0111\u1ed9ng tr\u00ean Node.js, do \u0111\u00f3 n\u00f3 ch\u1ea1y tr\u00ean h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh nh\u01b0 Linux, Windows v\u00e0 macOS. &#8211; N\u00f3 c\u0169ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 c\u01a1 s\u1edf d\u1eef li\u1ec7u n\u00e0o m\u00e0 Node.js ho\u1ea1t \u0111\u1ed9ng, nh\u01b0 MongoDB ho\u1eb7c PostgreSQL.\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>NestJS<\/b><\/td>\n<td><span style=\"font-weight: 400;\">H\u1ed7 tr\u1ee3 chia \u1ee9ng d\u1ee5ng th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf h\u01a1n v\u00e0 s\u1eed d\u1ee5ng nhi\u1ec1u m\u00e1y ch\u1ee7 \u0111\u1ec3 qu\u1ea3n l\u00fd nhi\u1ec1u l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp h\u01a1n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; Ph\u1ee9c t\u1ea1p \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 s\u1eed d\u1ee5ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110ang tr\u00ean \u0111\u00e0 ph\u00e1t tri\u1ec3n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; \u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 x\u1eed l\u00fd nhi\u1ec1u c\u00f4ng vi\u1ec7c m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; Ho\u1ea1t \u0111\u1ed9ng tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau nh\u01b0 Linux, Windows v\u00e0 macOS. &#8211; N\u00f3 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ea5t k\u1ef3 c\u01a1 s\u1edf d\u1eef li\u1ec7u n\u00e0o m\u00e0 Node.js h\u1ed7 tr\u1ee3, ch\u1eb3ng h\u1ea1n nh\u01b0 MongoDB v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c c\u00f4ng c\u1ee5 nh\u01b0 Docker.<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Koa.js<\/b><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c h\u00e0nh \u0111\u1ed9ng h\u01a1n m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm l\u1ea1i v\u00ec n\u00f3 \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng tr\u00ean Node.js.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">D\u1ec5 h\u1ecdc<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; N\u1ebfu b\u1ea1n tho\u1ea3i m\u00e1i v\u1edbi JavaScript, b\u1ea1n s\u1ebd th\u1ea5y Koa.js \u0111\u01a1n gi\u1ea3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; S\u1ebd c\u1ea7n th\u00eam c\u00f4ng c\u1ee5 c\u1ee7a ri\u00eang m\u00ecnh cho m\u1ed9t s\u1ed1 t\u00e1c v\u1ee5.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110ang ph\u00e1t tri\u1ec3n<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">&#8211; N\u00f3 s\u1eed d\u1ee5ng Node.js v\u00e0 gi\u1eef m\u1ecdi th\u1ee9 \u1edf m\u1ee9c t\u1ed1i thi\u1ec3u \u0111\u1ec3 tr\u00e1nh l\u00e0m ch\u1eadm<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ea1y tr\u00ean nhi\u1ec1u h\u1ec7 \u0111i\u1ec1u h\u00e0nh kh\u00e1c nhau v\u00ec n\u00f3 d\u1ef1a tr\u00ean Node.js<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Flask\u00a0<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng c\u00f3 c\u00f4ng c\u1ee5 t\u00edch h\u1ee3p \u0111\u1ec3 m\u1edf r\u1ed9ng quy m\u00f4, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c \u0111\u1ec3 h\u1ed7 tr\u1ee3.\u00a0<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01a1n gi\u1ea3n, r\u1ea5t ph\u00f9 h\u1ee3p v\u1edbi ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u h\u1ecdc webdev ho\u1eb7c l\u1eadp tr\u00ecnh<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ch\u1ec9 c\u1ea7n m\u1ed9t v\u00e0i d\u00f2ng Python \u0111\u1ec3 b\u1eaft \u0111\u1ea7u m\u1ed9t \u1ee9ng d\u1ee5ng Flask m\u1edbi.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u1ed9ng \u0111\u1ed3ng l\u1edbn.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u01a1n gi\u1ea3n v\u00e0 nh\u1eb9, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng x\u1eed l\u00fd nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng h\u01a1n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t v\u1edbi Python v\u00e0 h\u1ed7 tr\u1ee3 t\u1ea5t c\u1ea3 c\u00e1c h\u1ec7 \u0111i\u1ec1u h\u00e0nh ch\u00ednh nh\u01b0 Linux, Windows v\u00e0 macOS.\u00a0<\/span><\/td>\n<\/tr>\n<tr>\n<td><b>Phoenix<\/b><\/td>\n<td><span style=\"font-weight: 400;\">Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t trong vi\u1ec7c qu\u1ea3n l\u00fd nhi\u1ec1u t\u00e1c v\u1ee5 m\u00e0 kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Vi\u1ec7c l\u00e0m quen v\u1edbi Phoenix c\u00f3 th\u1ec3 m\u1ea5t m\u1ed9t th\u1eddi gian n\u1ebfu b\u1ea1n m\u1edbi s\u1eed d\u1ee5ng Elixir.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">&#8211; Kh\u00f4ng c\u00f3 nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110ang tr\u00ean \u0111\u00e0 ph\u00e1t tri\u1ec3n.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">C\u00f3 th\u1ec3 x\u1eed l\u00fd nhi\u1ec1u y\u00eau c\u1ea7u m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 t\u1ed1t trong vi\u1ec7c hi\u1ec3n th\u1ecb c\u00e1c trang web m\u00e0 kh\u00f4ng b\u1ecb ch\u1eadm tr\u1ec5<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c h\u1ec7 th\u1ed1ng m\u00e1y t\u00ednh kh\u00e1c nhau v\u00ec n\u00f3 ch\u1ea1y tr\u00ean Erlang VM.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><b> C\u1ea5u tr\u00fac d\u1eef li\u1ec7u v\u00e0 thu\u1eadt to\u00e1n (DSA)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u1ea5u tr\u00fac d\u1eef li\u1ec7u v\u00e0 thu\u1eadt to\u00e1n (Data Structures and Algorithms &#8211; DSA) l\u00e0 m\u1ed9t ph\u1ea7n quan tr\u1ecdng trong l\u1eadp tr\u00ecnh backend v\u00ec n\u00f3 l\u00e0 n\u1ec1n t\u1ea3ng \u0111\u1ec3 thay \u0111\u1ed5i, t\u1ed5 ch\u1ee9c v\u00e0 truy c\u1eadp d\u1eef li\u1ec7u, \u0111\u1ed3ng th\u1eddi t\u1ed1i \u01b0u ho\u00e1 code v\u00e0 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t. \u0110\u00f3 c\u0169ng l\u00e0 l\u00fd, tr\u01b0\u1edbc khi mu\u1ed1n tr\u1edf th\u00e0nh m\u1ed9t Backend Developer gi\u1ecfi, b\u1ea1n c\u1ea7n ph\u1ea3i n\u1eafm v\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 DSA.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ec3 c\u00f3 ki\u1ebfn th\u1ee9c t\u1ed1t v\u1ec1 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u, Backend Developer c\u1ea7n h\u1ecdc c\u00e1c n\u1ed9i dung g\u1ed3m Arrays, Linked Lists, Stacks, Queues, Graphs, Hash Tables, Binary Search Tree. \u0110\u1ed1i v\u1edbi thu\u1eadt to\u00e1n, b\u1ea1n h\u00e3y l\u01b0u \u00fd c\u00e1c ki\u1ebfn th\u1ee9c v\u1ec1 Recursion, Bubble sort, Selection sort, Binary Search v\u00e0 Insertion Sort.<\/span><\/p>\n<h3><b> Th\u00e0nh th\u1ea1o v\u1ec1 m\u00e1y ch\u1ee7 (server)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Hi\u1ec3u bi\u1ebft v\u1ec1 server l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi m\u1ed9t Backend Developer. L\u00e0 n\u1ec1n t\u1ea3ng cho vi\u1ec7c v\u1eadn h\u00e0nh c\u00e1c \u1ee9ng d\u1ee5ng v\u00e0 trang web, server \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m trong vi\u1ec7c ti\u1ebfp nh\u1eadn v\u00e0 x\u1eed l\u00fd y\u00eau c\u1ea7u t\u1eeb ph\u00eda client.\u00a0<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c lo\u1ea1i server web: Apache, Nginx, IIS l\u00e0 nh\u1eefng server web ph\u1ed5 bi\u1ebfn, m\u1ed7i lo\u1ea1i c\u00f3 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m ri\u00eang.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ec7 \u0111i\u1ec1u h\u00e0nh server: Linux (Ubuntu, CentOS) v\u00e0 Windows Server l\u00e0 hai h\u1ec7 \u0111i\u1ec1u h\u00e0nh server ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u1ea5u h\u00ecnh server: Hi\u1ec3u c\u00e1ch c\u1ea5u h\u00ecnh c\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a server \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t, b\u1ea3o m\u1eadt v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">C\u00e1c d\u1ecbch v\u1ee5 tr\u00ean server: Ngo\u00e0i server web, Backend Developer c\u00f2n c\u1ea7n hi\u1ec3u v\u1ec1 c\u00e1c d\u1ecbch v\u1ee5 kh\u00e1c nh\u01b0 c\u01a1 s\u1edf d\u1eef li\u1ec7u (MySQL, PostgreSQL), m\u00e1y ch\u1ee7 \u1ee9ng d\u1ee5ng (application server),&#8230;<\/span><\/li>\n<\/ul>\n<h3><b> C\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 API<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ki\u1ebfn th\u1ee9c v\u1ec1 API l\u00e0 y\u1ebfu t\u1ed1 c\u1ed1t l\u00f5i trong vi\u1ec7c x\u00e2y d\u1ef1ng c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, \u0111\u1ea3m b\u1ea3o s\u1ef1 t\u01b0\u01a1ng t\u00e1c hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n kh\u00e1c nhau v\u00e0 cung c\u1ea5p tr\u1ea3i nghi\u1ec7m ng\u01b0\u1eddi d\u00f9ng t\u1ed1t nh\u1ea5t.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">API l\u00e0 t\u1eadp h\u1ee3p c\u00e1c giao th\u1ee9c, ph\u01b0\u01a1ng th\u1ee9c k\u1ebft n\u1ed1i website v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng, ph\u1ea7n m\u1ec1m kh\u00e1c. Khi c\u00f3 m\u1ed9t y\u00eau c\u1ea7u b\u1ea5t k\u1ef3 tr\u00ean website, API s\u1ebd kh\u1edfi ch\u1ea1y v\u00e0 g\u1eedi d\u1eef li\u1ec7u \u0111\u1ebfn server. Sau khi nh\u1eadn v\u00e0 ph\u00e2n t\u00edch d\u1eef li\u1ec7u, server s\u1ebd x\u1eed l\u00fd y\u00eau c\u1ea7u r\u1ed3i g\u1eedi k\u1ebft qu\u1ea3 tr\u1edf l\u1ea1i cho client. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao, c\u00e1c Backend Developer c\u1ea7n hi\u1ec3u r\u00f5 v\u1ec1 c\u00e1ch vi\u1ebft m\u00e3 API \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru c\u1ee7a website ho\u1eb7c \u1ee9ng d\u1ee5ng.<\/span><\/p>\n<h3><b> C\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n (VCS)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd phi\u00ean b\u1ea3n (version control system &#8211; VCS) l\u00e0 c\u00f4ng c\u1ee5 kh\u00f4ng th\u1ec3 thi\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c Backend Developer. N\u00f3 gi\u00fap theo d\u00f5i s\u1ef1 thay \u0111\u1ed5i, l\u01b0u tr\u1eef d\u1ef1 \u00e1n an to\u00e0n, qu\u1ea3n l\u00fd nh\u00e1nh v\u00e0 t\u00ednh n\u0103ng, \u0111\u1ed3ng th\u1eddi ghi ch\u00e9p l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Trong s\u1ed1 c\u00e1c VCS \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn hi\u1ec7n nay, Git l\u00e0 c\u00f4ng c\u1ee5 \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng nh\u1ea5t. Git \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u qu\u1ea3n l\u00fd c\u00e1c d\u1ef1 \u00e1n backend ph\u1ee9c t\u1ea1p, bao g\u1ed3m APIs, microservices v\u00e0 nhi\u1ec1u th\u00e0nh ph\u1ea7n kh\u00e1c. \u0110\u1ed3ng th\u1eddi, n\u00f3 c\u00f2n gi\u00fap t\u1ea1o ra m\u00f4i tr\u01b0\u1eddng th\u1eed nghi\u1ec7m ri\u00eang bi\u1ec7t cho t\u1eebng API hay microservice m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00e3 ch\u00ednh.<\/span><\/p>\n<h3><b> C\u00f3 ki\u1ebfn th\u1ee9c v\u1ec1 Front-end<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">M\u1eb7c d\u00f9 kh\u00f4ng y\u00eau c\u1ea7u th\u00e0nh th\u1ea1o, nh\u01b0ng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n v\u1ec1 frontend nh\u01b0 HTML, CSS v\u00e0 JavaScript l\u00e0 r\u1ea5t quan tr\u1ecdng. Hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1c ng\u00f4n ng\u1eef n\u00e0y gi\u00fap Backend Developer hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n m\u1ed9t \u1ee9ng d\u1ee5ng web, t\u1eeb \u0111\u00f3 giao ti\u1ebfp hi\u1ec7u qu\u1ea3 v\u1edbi m\u00e1y t\u00ednh, s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n ph\u00f9 h\u1ee3p v\u00e0 t\u1ea1o ra k\u1ebft qu\u1ea3 ch\u00ednh x\u00e1c.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">JavaScript, v\u1edbi vai tr\u00f2 c\u1ed1t l\u00f5i trong l\u1eadp tr\u00ecnh frontend, l\u00e0 m\u1ed9t k\u1ef9 n\u0103ng c\u1ea7n thi\u1ebft cho c\u00e1c Backend Developer. Ngo\u00e0i ra, HTML v\u00e0 CSS cung c\u1ea5p c\u1ea5u tr\u00fac v\u00e0 giao di\u1ec7n cho website, gi\u00fap Backend Developer c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng quan v\u1ec1 c\u00e1ch c\u00e1c th\u00e0nh ph\u1ea7n t\u01b0\u01a1ng t\u00e1c v\u1edbi nhau, t\u1eeb \u0111\u00f3 t\u1ea1o ra c\u00e1c \u1ee9ng d\u1ee5ng web ho\u00e0n ch\u1ec9nh v\u00e0 hi\u1ec7u qu\u1ea3.<\/span><\/p>\n<h3><b> Ki\u1ebfn th\u1ee9c v\u1ec1 c\u01a1 s\u1edf d\u1eef li\u1ec7u (database)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Vi\u1ec7c l\u01b0u tr\u1eef d\u1eef li\u1ec7u l\u00e0 r\u1ea5t quan tr\u1ecdng khi th\u1ef1c hi\u1ec7n m\u1ed9t d\u1ef1 \u00e1n. Do \u0111\u00f3, c\u00e1c Backend Developer c\u1ea7n c\u00f3 hi\u1ec3u bi\u1ebft v\u1ec1 c\u00e1ch v\u1eadn h\u00e0nh c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u1ec3 c\u00f3 th\u1ec3 thao t\u00e1c \u0111\u01b0\u1ee3c khi c\u1ea7n.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, kh\u1ea3 n\u0103ng thi\u1ebft k\u1ebf c\u1ea5u tr\u00fac c\u01a1 s\u1edf d\u1eef li\u1ec7u, bao g\u1ed3m c\u00e1c b\u1ea3ng, tr\u01b0\u1eddng v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang c\u0169ng l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng. Backend Developer c\u1ea7n x\u00e2y d\u1ef1ng \u0111\u01b0\u1ee3c c\u00e1c m\u00f4 h\u00ecnh d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3, t\u1ed1i \u01b0u cho hi\u1ec7u su\u1ea5t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, \u0111\u1ed3ng th\u1eddi th\u00e0nh th\u1ea1o c\u00e1c lo\u1ea1i c\u01a1 s\u1edf d\u1eef li\u1ec7u kh\u00e1c nhau nh\u01b0 quan h\u1ec7 v\u00e0 phi quan h\u1ec7.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1ea1n c\u00f3 th\u1ec3 h\u1ecdc v\u1ec1 MySQL, SQL, PostgreSQL, MongoDB,&#8230; \u0110\u00e2y \u0111\u1ec1u l\u00e0 nh\u1eefng\u00a0 h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ch\u1ee7 y\u1ebfu \u0111\u1ec3 backend l\u01b0u tr\u1eef v\u00e0 truy xu\u1ea5t d\u1eef li\u1ec7u.<\/span><\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o chu\u1ed7i b\u00e0i vi\u1ebft v\u1ec1 c\u00e1c h\u1ec7 qu\u1ea3n tr\u1ecb c\u01a1 s\u1edf d\u1eef li\u1ec7u do ITviec t\u1ed5ng h\u1ee3p:<\/p>\n<ul>\n<li><a href=\"https:\/\/itviec.com\/blog\/mysql-vs-sql-server\/\" target=\"_blank\" rel=\"noopener\">MySQL vs SQL Server: N\u00ean ch\u1ecdn RDBMS n\u00e0o?<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/mongodb-vs-mysql\/\" target=\"_blank\" rel=\"noopener\">MongoDB vs MySQL: Khi n\u00e0o n\u00ean s\u1eed d\u1ee5ng CSDL n\u00e0o?<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/postgresql-vs-mysql\/\" target=\"_blank\" rel=\"noopener\">PostgreSQL vs MySQL: Khi n\u00e0o n\u00ean ch\u1ecdn h\u1ec7 qu\u1ea3n tr\u1ecb CSDL n\u00e0o?<\/a><\/li>\n<li><a href=\"https:\/\/itviec.com\/blog\/mariadb-vs-mysql\/\" target=\"_blank\" rel=\"noopener\">MariaDB vs MySQL: &#8220;Cu\u1ed9c chi\u1ebfn&#8221; c\u01a1 s\u1edf d\u1eef li\u1ec7u m\u00e3 ngu\u1ed3n m\u1edf<\/a><\/li>\n<\/ul>\n<h3><b> Ki\u1ebfn th\u1ee9c b\u1ea3o m\u1eadt web<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">C\u00e1c website kh\u00f4ng ch\u1ec9 l\u00e0 c\u1eeda s\u1ed5 giao ti\u1ebfp gi\u1eefa doanh nghi\u1ec7p v\u00e0 kh\u00e1ch h\u00e0ng m\u00e0 c\u00f2n l\u00e0 kho t\u00e0ng d\u1eef li\u1ec7u r\u1ea5t quan tr\u1ecdng. V\u1edbi vai tr\u00f2 l\u00e0 Backend Developer, b\u1ea1n c\u1ea7n c\u00f3 ki\u1ebfn th\u1ee9c b\u1ea3o m\u1eadt web nh\u1eb1m ng\u0103n ch\u1eb7n c\u00e1c t\u00ecnh hu\u1ed1ng x\u1ea5u li\u00ean quan \u0111\u1ebfn kho t\u00e0ng n\u00e0y.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 nhi\u1ec1u lo\u1ea1i r\u1ee7i ro d\u1eef li\u1ec7u v\u00e0 Backend Developer c\u00f3 th\u1ec3 \u0111\u1ed1i m\u1eb7t: Ph\u1ea7n m\u1ec1m \u0111\u1ed9c h\u1ea1i, t\u1ea5n c\u00f4ng v\u00e0o l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt, ti\u00eam m\u00e3 \u0111\u1ed9c SQL (SQL injection), t\u1ea5n c\u00f4ng XSS (Cross-site scripting),&#8230; Nh\u1eefng cu\u1ed9c t\u1ea5n c\u00f4ng n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 nghi\u00eam tr\u1ecdng nh\u01b0 m\u1ea5t d\u1eef li\u1ec7u, l\u00e0m t\u00ea li\u1ec7t h\u1ec7 th\u1ed1ng, g\u00e2y t\u1ed5n h\u1ea1i \u0111\u1ebfn uy t\u00edn c\u1ee7a doanh nghi\u1ec7p v\u00e0 th\u1eadm ch\u00ed l\u00e0 vi ph\u1ea1m ph\u00e1p lu\u1eadt.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">B\u1eb1ng c\u00e1ch trang b\u1ecb cho m\u00ecnh nh\u1eefng ki\u1ebfn th\u1ee9c v\u00e0 k\u1ef9 n\u0103ng b\u1ea3o m\u1eadt web chuy\u00ean s\u00e2u, b\u1ea1n ho\u00e0n to\u00e0n c\u00f3 kh\u1ea3 n\u0103ng ng\u0103n ch\u1eb7n c\u00e1c r\u1ee7i ro k\u1ec3 tr\u00ean, ho\u1eb7c \u00edt nh\u1ea5t l\u00e0 gi\u1ea3m thi\u1ec7t h\u1ea1i v\u1ec1 m\u1ee9c t\u1ed1i thi\u1ec3u. C\u00e1c ki\u1ebfn th\u1ee9c b\u1ea3o m\u1eadt web g\u1ed3m:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>S\u1eed d\u1ee5ng HTTPS:<\/b><span style=\"font-weight: 400;\"> M\u00e3 h\u00f3a d\u1eef li\u1ec7u truy\u1ec1n \u0111i gi\u1eefa m\u00e1y ch\u1ee7 v\u00e0 tr\u00ecnh duy\u1ec7t \u0111\u1ec3 ng\u0103n ch\u1eb7n vi\u1ec7c \u0111\u00e1nh c\u1eafp th\u00f4ng tin.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Qu\u1ea3n l\u00fd m\u1eadt kh\u1ea9u v\u00e0 quy\u1ec1n truy c\u1eadp:<\/b><span style=\"font-weight: 400;\"> \u0110\u1ea3m b\u1ea3o m\u1eadt kh\u1ea9u m\u1ea1nh, s\u1eed d\u1ee5ng c\u01a1 ch\u1ebf x\u00e1c th\u1ef1c \u0111a y\u1ebfu t\u1ed1 v\u00e0 ph\u00e2n quy\u1ec1n truy c\u1eadp ch\u1eb7t ch\u1ebd.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>B\u1ea3o v\u1ec7 c\u01a1 s\u1edf d\u1eef li\u1ec7u:<\/b><span style=\"font-weight: 400;\"> Th\u1ef1c hi\u1ec7n c\u00e1c bi\u1ec7n ph\u00e1p nh\u01b0 m\u00e3 h\u00f3a d\u1eef li\u1ec7u, sao l\u01b0u th\u01b0\u1eddng xuy\u00ean v\u00e0 ki\u1ec3m tra t\u00ednh to\u00e0n v\u1eb9n c\u1ee7a d\u1eef li\u1ec7u.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng:<\/b><span style=\"font-weight: 400;\"> S\u1eed d\u1ee5ng c\u00e1c c\u00f4ng c\u1ee5 v\u00e0 gi\u1ea3i ph\u00e1p b\u1ea3o m\u1eadt \u0111\u1ec3 ph\u00e1t hi\u1ec7n v\u00e0 ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ed9t c\u00e1ch k\u1ecbp th\u1eddi.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m v\u00e0 v\u00e1 l\u1ed7 h\u1ed5ng:<\/b><span style=\"font-weight: 400;\"> Lu\u00f4n c\u1eadp nh\u1eadt c\u00e1c phi\u00ean b\u1ea3n m\u1edbi nh\u1ea5t c\u1ee7a ph\u1ea7n m\u1ec1m v\u00e0 v\u00e1 c\u00e1c l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Th\u1ef1c h\u00e0nh l\u1eadp tr\u00ecnh an to\u00e0n:<\/b><span style=\"font-weight: 400;\"> Vi\u1ebft m\u00e3 s\u1ea1ch, tr\u00e1nh c\u00e1c l\u1ed7i logic v\u00e0 ti\u1ec1m \u1ea9n l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">Ngo\u00e0i ra, Backend Developer c\u0169ng c\u1ea7n n\u1eafm v\u1eefng c\u00e1c nguy\u00ean t\u1eafc b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n nh\u01b0: x\u00e1c th\u1ef1c, \u1ee7y quy\u1ec1n, m\u00e3 h\u00f3a, qu\u1ea3n l\u00fd l\u1ed7i, b\u1ea3o v\u1ec7 ch\u1ed1ng SQL injection, XSS,&#8230;<\/span><\/p>\n<h3><b> Ki\u1ebfn th\u1ee9c v\u1ec1 ki\u1ec3m th\u1eed (testing)<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">Ki\u1ebfn th\u1ee9c v\u1ec1 ki\u1ec3m th\u1eed l\u00e0 m\u1ed9t y\u00eau c\u1ea7u b\u1eaft bu\u1ed9c \u0111\u1ed1i v\u1edbi m\u1ed7i Backend Developer v\u00ec n\u00f3 li\u00ean quan \u0111\u1ebfn ch\u1ea5t l\u01b0\u1ee3ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a website. B\u1eb1ng vi\u1ec7c trang b\u1ecb ki\u1ebfn th\u1ee9c v\u1ec1 ki\u1ec3m th\u1eed, b\u1ea1n c\u00f3 th\u1ec3 tr\u00e1nh \u0111\u01b0\u1ee3c c\u00e1c l\u1ed7i trong v\u1eadn h\u00e0nh web, \u0111\u1ed3ng th\u1eddi c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">C\u00f3 nhi\u1ec1u lo\u1ea1i ki\u1ec3m th\u1eed kh\u00e1c nhau m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3m th\u1eed \u0111\u01a1n v\u1ecb (Unit Testing):<\/b><span style=\"font-weight: 400;\"> Ki\u1ec3m tra hi\u1ec7u su\u1ea5t c\u1ee7a t\u1eebng \u0111\u01a1n v\u1ecb, trong \u0111\u00f3 \u0111\u01a1n v\u1ecb c\u00f3 th\u1ec3 l\u00e0 th\u00e0nh ph\u1ea7n nh\u1ecf nh\u1ea5t c\u1ee7a m\u1ed9t \u1ee9ng d\u1ee5ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3m th\u1eed ch\u1ee9c n\u0103ng (Functional Testing):<\/b><span style=\"font-weight: 400;\"> Ki\u1ec3m tra c\u00e1c ch\u1ee9c n\u0103ng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n nh\u1ecf xem c\u00f3 l\u1ed7i hay c\u1ea7n t\u1ed1i \u01b0u h\u00f3a kh\u00f4ng.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3m th\u1eed kh\u1ea3 n\u0103ng s\u1eed d\u1ee5ng (Usability Testing):<\/b><span style=\"font-weight: 400;\"> X\u00e1c nh\u1eadn m\u1ed9t c\u00e1ch t\u1ed1t h\u01a1n \u0111\u1ec3 kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ed9t \u1ee9ng d\u1ee5ng web cho m\u1ed9t t\u00e1c v\u1ee5 c\u1ee5 th\u1ec3.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3m th\u1eed hi\u1ec7u su\u1ea5t (Performance Testing):<\/b><span style=\"font-weight: 400;\"> \u0110\u00e1nh gi\u00e1 hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea7n m\u1ec1m d\u01b0\u1edbi c\u00e1c t\u1ea3i tr\u1ecdng th\u1ef1c t\u1ebf kh\u00e1c nhau.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><b>Ki\u1ec3m th\u1eed h\u1ed3i quy (Regression Testing):<\/b><span style=\"font-weight: 400;\"> Ki\u1ec3m tra xem b\u1ea5t c\u1ee9 khi n\u00e0o c\u00f3 ch\u1ee9c n\u0103ng m\u1edbi \u0111\u01b0\u1ee3c th\u00eam v\u00e0o m\u00e3 hi\u1ec7n c\u00f3, ho\u1ea1t \u0111\u1ed9ng c\u00f3 b\u1ecb \u1ea3nh h\u01b0\u1edfng hay kh\u00f4ng.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Lo_trinh_hoc_Backend_Ky_nang_mem\"><\/span><b>L\u1ed9 tr\u00ecnh h\u1ecdc Backend: K\u1ef9 n\u0103ng m\u1ec1m<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><b>K\u1ef9 n\u0103ng giao ti\u1ebfp<\/b><\/p>\n<p><span style=\"font-weight: 400;\">M\u1ed9t Backend Developer c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng gi\u1ea3i th\u00edch r\u00f5 r\u00e0ng m\u00e3 code, quy\u1ebft \u0111\u1ecbnh thi\u1ebft k\u1ebf v\u00e0 gi\u1ea3i quy\u1ebft c\u00e1c y\u00eau c\u1ea7u th\u01b0\u1eddng g\u1eb7p cho \u0111\u1ed3ng \u0111\u1ed9i, kh\u00e1ch h\u00e0ng v\u00e0 ng\u01b0\u1eddi d\u00f9ng. \u0110\u1ed3ng th\u1eddi, h\u1ecd c\u0169ng c\u1ea7n hi\u1ec3u \u0111\u01b0\u1ee3c y\u00eau c\u1ea7u, ph\u1ea3n h\u1ed3i v\u00e0 k\u1ef3 v\u1ecdng c\u1ee7a ng\u01b0\u1eddi kh\u00e1c. Ch\u00ednh v\u00ec v\u1eady, k\u1ef9 n\u0103ng giao ti\u1ebfp s\u1ebd gi\u00fap Backend Developer gi\u1ea3i quy\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 m\u1ed9t c\u00e1ch t\u1ed1t h\u01a1n.<\/span><\/p>\n<p><b>K\u1ef9 n\u0103ng l\u00e0m vi\u1ec7c nh\u00f3m<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Backend Developer th\u01b0\u1eddng l\u00e0m vi\u1ec7c c\u00f9ng c\u00e1c th\u00e0nh vi\u00ean c\u1ee7a team v\u00e0 nhi\u1ec1u nh\u00f3m c\u00f4ng vi\u1ec7c kh\u00e1c nh\u01b0 designer, tester, project manager n\u00ean k\u1ef9 n\u0103ng l\u00e0m vi\u1ec7c nh\u00f3m l\u00e0 r\u1ea5t quan tr\u1ecdng. \u0110\u1ec3 n\u00e2ng cao k\u1ef9 n\u0103ng n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 tham gia chia s\u1ebb ki\u1ebfn th\u1ee9c, h\u1ecdc h\u1ecfi t\u1eeb \u0111\u1ed3ng nghi\u1ec7p, \u0111\u01b0a ra nh\u1eefng ph\u1ea3n h\u1ed3i khi tham gia h\u1ecdp nh\u00f3m.<\/span><\/p>\n<p><b>K\u1ef9 n\u0103ng gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n trang web, Backend Developer s\u1ebd th\u01b0\u1eddng xuy\u00ean \u0111\u1ed1i m\u1eb7t v\u1edbi c\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 l\u1ed7i (bugs), hi\u1ec7u n\u0103ng, l\u1ed7 h\u1ed5ng b\u1ea3o m\u1eadt, thay \u0111\u1ed5i y\u00eau c\u1ea7u. \u0110\u1ec3 c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft t\u1ed1t c\u00e1c v\u1ea5n \u0111\u1ec1 n\u00e0y, b\u1ea1n c\u1ea7n c\u00f3 kh\u1ea3 n\u0103ng ph\u00e2n t\u00edch, x\u00e1c \u0111\u1ecbnh nguy\u00ean nh\u00e2n g\u1ed1c r\u1ec5, t\u00ecm ki\u1ebfm v\u00e0 \u00e1p d\u1ee5ng gi\u1ea3i ph\u00e1p t\u1ed1i \u01b0u.<\/span><\/p>\n<p><b>K\u1ef9 n\u0103ng th\u00edch \u1ee9ng<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Ng\u00e0nh c\u00f4ng ngh\u1ec7 n\u00f3i chung v\u00e0 ph\u00e1t tri\u1ec3n backend n\u00f3i ri\u00eang l\u00e0 m\u1ed9t l\u0129nh v\u1ef1c lu\u00f4n bi\u1ebfn \u0111\u1ed5i v\u1edbi s\u1ef1 xu\u1ea5t hi\u1ec7n kh\u00f4ng ng\u1eebng c\u1ee7a c\u00f4ng ngh\u1ec7, c\u00f4ng c\u1ee5 v\u00e0 xu h\u01b0\u1edbng m\u1edbi. Do \u0111\u00f3, kh\u1ea3 n\u0103ng h\u1ecdc h\u1ecfi, c\u1eadp nh\u1eadt ki\u1ebfn th\u1ee9c v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ph\u01b0\u01a1ng ph\u00e1p l\u00e0m vi\u1ec7c l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng.<\/span><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac_cau_hoi_thuong_gap_ve_lo_trinh_hoc_Backend\"><\/span><b> C\u00e1c c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc Backend<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><b>T\u00f4i n\u00ean b\u1eaft \u0111\u1ea7u h\u1ecdc ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh n\u00e0o cho backend?<\/b><\/h3>\n<p><span style=\"font-weight: 400;\">T\u00f9y thu\u1ed9c v\u00e0o s\u1edf th\u00edch v\u00e0 m\u1ee5c ti\u00eau c\u1ee7a b\u1ea1n. Python v\u00e0 Node.js th\u01b0\u1eddng \u0111\u01b0\u1ee3c xem l\u00e0 \u0111i\u1ec3m kh\u1edfi \u0111\u1ea7u t\u1ed1t cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u v\u00ec c\u00fa ph\u00e1p d\u1ec5 hi\u1ec3u v\u00e0 c\u1ed9ng \u0111\u1ed3ng l\u1edbn.<\/span><\/p>\n<h3><b>T\u00f4i n\u00ean h\u1ecdc backend nh\u01b0 th\u1ebf n\u00e0o?<\/b><\/h3>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">T\u1ef1 h\u1ecdc: Xem video, \u0111\u1ecdc t\u00e0i li\u1ec7u, l\u00e0m b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">H\u1ecdc qua kh\u00f3a h\u1ecdc: Tham gia c\u00e1c kh\u00f3a h\u1ecdc online ho\u1eb7c offline.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Tham gia c\u1ed9ng \u0111\u1ed3ng: Tham gia c\u00e1c di\u1ec5n \u0111\u00e0n, nh\u00f3m tr\u00ean m\u1ea1ng x\u00e3 h\u1ed9i \u0111\u1ec3 h\u1ecfi \u0111\u00e1p v\u00e0 h\u1ecdc h\u1ecfi kinh nghi\u1ec7m.<\/span><\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Tong_ket_lo_trinh_hoc_Backend\"><\/span><b>T\u1ed5ng k\u1ebft l\u1ed9 tr\u00ecnh h\u1ecdc Backend<\/b><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><span style=\"font-weight: 400;\">Qua b\u00e0i vi\u1ebft n\u00e0y, hy v\u1ecdng b\u1ea1n \u0111\u00e3 n\u1eafm v\u1eefng v\u1ec1 l\u1ed9 tr\u00ecnh h\u1ecdc Backend. H\u00e3y c\u00f9ng ITviec ki\u1ec3m tra l\u1ea7n n\u1eefa nh\u00e9.<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ebfn th\u1ee9c n\u1ec1n t\u1ea3ng v\u1ec1 Internet<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n v\u1ec1 l\u1eadp tr\u00ecnh backend: Ng\u00f4n ng\u1eef l\u1eadp tr\u00ecnh, framework, DSA, Server, API, VCS, Frontend, Database.<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">K\u1ef9 n\u0103ng m\u1ec1m: Giao ti\u1ebfp, l\u00e0m vi\u1ec7c nh\u00f3m, gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1, th\u00edch \u1ee9ng.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">B\u00ean c\u1ea1nh vi\u1ec7c trau d\u1ed3i ki\u1ebfn th\u1ee9c v\u1edbi l\u1ed9 tr\u00ecnh h\u1ecdc Backend k\u1ec3 tr\u00ean, \u0111\u1eebng qu\u00ean t\u0103ng th\u1eddi gian \u201cth\u1ef1c chi\u1ebfn\u201d \u0111\u1ec3 c\u1ea3i thi\u1ec7n k\u1ef9 n\u0103ng v\u00e0 kinh nghi\u1ec7m l\u1eadp tr\u00ecnh b\u1ea1n nh\u00e9.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Backend Developer l\u00e0 ng\u00e0nh ngh\u1ec1 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao, \u0111\u01b0\u1ee3c s\u0103n \u0111\u00f3n h\u00e0ng lo\u1ea1t v\u1edbi m\u1ee9c thu nh\u1eadp r\u1ea5t h\u1ea5p d\u1eabn. Nh\u01b0ng \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c \u201c\u0111\u1ec9nh cao\u201d \u0111\u00f3, tr\u01b0\u1edbc h\u1ebft, b\u1ea3n th\u00e2n m\u1ed7i Backend Developer ph\u1ea3i h\u1ecdc h\u1ecfi v\u00e0 n\u1eafm th\u1eadt v\u1eefng c\u00e1c ki\u1ebfn th\u1ee9c chuy\u00ean m\u00f4n. V\u1eady h\u1ecdc backend c\u1ea7n nh\u1eefng g\u00ec? ITviec \u0111\u00e3 [&hellip;]<\/p>\n","protected":false},"author":213,"featured_media":77537,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[109,99,94],"tags":[],"class_list":["post-77285","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-chuyen-mon-it","category-developer","category-su-nghiep-it"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.8 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>L\u1ed9 tr\u00ecnh h\u1ecdc Backend to\u00e0n di\u1ec7n A-Z cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u - ITviec Blog<\/title>\n<meta name=\"description\" content=\"\u0110\u1ec3 tr\u1edf th\u00e0nh Backend Developer chuy\u00ean nghi\u1ec7p, b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o l\u1ed9 tr\u00ecnh h\u1ecdc Backend \u0111\u1ea7y \u0111\u1ee7 v\u00e0n d\u1ec5 th\u1ef1c h\u00e0nh sau \u0111\u00e2y.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itviec.com\/blog\/lo-trinh-hoc-backend\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u1ed9 tr\u00ecnh h\u1ecdc Backend to\u00e0n di\u1ec7n A-Z cho ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u\" \/>\n<meta property=\"og:description\" content=\"Backend Developer l\u00e0 ng\u00e0nh ngh\u1ec1 \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 cao, \u0111\u01b0\u1ee3c s\u0103n \u0111\u00f3n h\u00e0ng lo\u1ea1t v\u1edbi m\u1ee9c thu nh\u1eadp r\u1ea5t h\u1ea5p d\u1eabn. 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