Senior Backend Engineer (Java)

3 Lý do để gia nhập công ty

• Production systems operate at large scale.
• Problems are owned end to end.
• Changes enable systems behind core operations.

Mô tả công việc

What you’ll do

• Work on core domains as eCommerce, Online-hypermarket platform, Seller Center, Product Discovery, Data Platform, Order Management, Checkout & Payment
• Design and build backend services using Java (primary) or Python/Go , focusing on performance, scalability, and reliability
• Contribute to microservices architecture and distributed system design
• Develop systems for product management, inventory, orders, and checkout flows
• Collaborate with product and data teams to build features from idea to production
• Work with data at scale (hundreds of millions of records) to power business and user experiences
• Build and apply AI-powered tools to support system development, operations, and continuous improvement. Contribute to a domain knowledge base for the team.

Yêu cầu công việc

What we’re looking for

• 4+ years of backend experience with Java (Spring Boot, WebFlux, Reactor),
• Strong fundamentals in data structures, algorithms, and system design
• Solid understanding of OOP, design patterns, and backend architecture
• Familiarity with distributed systems concepts (concurrency, transactions, scalability)
• Experience with common backend technologies:
  • Databases: MySQL / PostgreSQL
  • Messaging & caching: Kafka, Redis
  • Search: Elasticsearch
• Exposure to microservices and CI/CD practices
• Fast learner, adaptable in a dynamic environment 

Nice to have

• Experience with Python, Go
• Experience with high-scale systems or real-time data processing
• Familiarity with non-blocking I/O, event-driven architecture, or distributed transactions
• Experience using AI tools in development workflows

Tại sao bạn sẽ yêu thích làm việc tại đây

Inside our lean engineering team:

• We work on large and complex systems, with a focus on ownership and continuous learning.
• We work within existing constraints and improve systems incrementally.
• We value strong fundamentals and the ability to reason through unfamiliar or complex systems.
• Collaboration is direct, and discussions focus on solving problems and delivering results.

Our offers include: 

• MacBook provided
• Full salary insurance
• Health care insurance
• 19 leave days
• Annual health check-up