Senior Mobile Engineer (iOS/Android) - React Native

Collabera; Kampung Malaysia Tambahan; On-site; MYR 110,000 - 150,000; Full time

Job summary

Collabera in Kuala Lumpur is seeking an experienced Mobile Engineer to develop and maintain high-performance iOS and Android apps, collaborating with Product, Design, and Engineering teams to deliver secure, scalable mobile banking experiences.

You will implement best coding practices, integrate RESTful APIs and GraphQL, participate in code reviews, and drive CI/CD pipelines while mentoring junior engineers.

Qualifications

• 4+ years of experience in hybrid or native mobile development (iOS and/or Android).
• Strong hands-on expertise in React Native.
• Experience with RESTful APIs, GraphQL, and backend integration.
• Proficiency with state management frameworks (Redux, Zustand).
• In-depth knowledge of mobile UI/UX best practices and accessibility standards.
• Experience with CI/CD pipelines (GitHub Actions, GitLab CI).
• Familiarity with mobile test automation tools like Detox.
• Solid understanding of mobile security principles (encryption, secure storage, OWASP Mobile Top 10).
• Exposure to cloud platforms like AWS, Firebase, or Azure for mobile services.
• Experience in Agile/Scrum environments with collaborative workflows.
• Ability to troubleshoot and optimize performance bottlenecks and memory leaks.

Responsibilities

• Develop and maintain high-performance, scalable, and secure mobile applications for iOS and Android platforms.
• Collaborate with Product, Design, and Engineering teams to deliver seamless mobile banking experiences.
• Implement best coding practices to enhance app performance, security, and maintainability.
• Develop and integrate RESTful APIs to support mobile functionality.
• Ensure comprehensive manual and automated testing coverage of mobile applications.
• Debug and resolve performance, memory, and security issues in apps.
• Stay updated on the latest mobile technologies, frameworks, and industry trends.
• Participate in code reviews and enforce high-quality coding standards.
• Utilize CI/CD pipelines to automate app builds and deployments.
• Provide technical mentorship and guidance to junior mobile engineers.

Skills

React Native

RESTful APIs

GraphQL

State management

Mobile UI/UX

CI/CD pipelines

Test automation

Mobile security

Cloud platforms

Agile/Scrum

Performance optimization

Tools

Detox

Job description

Collabera in Kuala Lumpur is seeking an experienced Mobile Engineer to develop and maintain high-performance iOS and Android apps, collaborating with Product, Design, and Engineering teams to deliver secure, scalable mobile banking experiences.

You will implement best coding practices, integrate RESTful APIs and GraphQL, participate in code reviews, and drive CI/CD pipelines while mentoring junior engineers.