Mobile Security Engineer ( C language, C++, Swift)

Top 3 reasons to join us

• Big Data
• Machine Learning
• Big scale

Job description

At MoMo, security is not an afterthought — it’s a core pillar of our product. We’re looking for a passionate Mobile Security Engineer to join our security team and help safeguard our mobile application, used by millions of users daily.

You'll be building internal tools, libraries, and security layers to protect against common mobile threats like jailbreak, emulator, hooking, tampering, and more. You’ll work closely with other engineering teams to ensure that security is embedded in every part of the development process, from design to deployment.

• Design, build, and maintain iOS security libraries/tools that detect and prevent security threats (jailbreak, emulators, tampering, reverse engineering, etc.).
• Responsible for developing libraries/applications on iOS to detect vulnerabilities and security threats on the iOS platform to ensure that the application is safe, user data is protected, and security standards are met.
• Optimize performance, memory usage, user experience, and code quality.
• Work closely with other teams to implement new security features, improve CI/CD processes, and ensure release quality.

Your skills and experience

• Bachelor's degree in Computer Science or related field.
• Strong experience in Native development using C and/or Objective-C and/or C++ and/or Swift.
• At least 3 years of experience in developing and deploying real-world iOS applications on the App Store or internally.
• Deep understanding of the iOS operating system architecture, system frameworks, and Apple’s security mechanisms.
• Good knowledge of application lifecycle, threading, memory management, and networking.
• Experienced in using development and testing tools such as Xcode, Instruments, Burp Suite, etc is strong plus.
• Willing to learn new skill of iOS security mechanisms such as cryptography, Keychain, network encryption, runtime protection, jailbreak detection, etc.
• Solid understanding of common vulnerabilities in mobile applications.
• Ability to analyze logs and respond quickly to security incidents is strong plus.

Why you'll love working here

We are passion with new technologies, not follow the old-track of outsourcing. We love our product and ready to sacrifice everything for it! You often argue with your boss? Don’t worry, here in M_Service, you will get salary increase if you win your boss in argument. We love objection!!! You hate company trip in hotel, resort? We only conquer difficult and hottest road in team building. Do you want to join?

What you will get:

• Competitive compensation package.
• Performance-based bonus.
• Insurance package.
• Chance to work with smart people with international experience.

Our benefits:

• Attractive compensation & benefits.
• 13th month salary bonus and yearly performance bonus.
• 14 paid days off per year
• Premium health care insurance
• Great allowances (lunch, parking, birthday, happy hours....)
• Salary review  at least one time per year based on employee's performance and contribution.
• Outing/team-building activities (company trip , soccer sport, english club, running club,..).
• Other benefits as per stated in Vietnamese Labor Law
• Work with experienced & strong team.
• Friendly, dynamic & flexible working environments.