Full Stack Engineer; Mobile

We're looking for a talented Full Stack Engineer (Mobile) to join our growing team in Jakarta.

This role is crucial for developing and enhancing our mobile applications, bridging the gap between innovative front‑end experiences and robust back‑end services. You will be instrumental in bringing new features from concept to production, ensuring high performance, usability, and scalability, working closely with cross‑functional teams to deliver exceptional customer‑facing features.

• Develop and maintain high-quality mobile applications for both iOS and Android platforms.
• Design, build, and integrate scalable backend APIs to support mobile functionalities.
• Collaborate with cross‑functional teams to define, design, and ship new features.
• Write clean, maintainable, and efficient code, adhering to best practices.
• Implement robust testing strategies to ensure application stability and performance.
• Monitor application performance and user experience using crash reporting and analytics tools.
• Actively participate in code reviews, providing constructive feedback and ensuring code quality.
• Utilize Git effectively for version control, branching, and collaborative development.
• Leverage Claude Code for efficient development and thorough validation of code output.

• Strong experience developing native or cross‑platform mobile applications for iOS and Android, using Java, Kotlin, Swift, Objective‑C, or React Native.
• Experience building backend APIs using Next.js (API routes), Laravel, or Lumen, and integrating mobile applications with scalable backend services.
• Ability to build high-quality, responsive, and maintainable mobile experiences with strong attention to performance and usability.
• Proven ability to collaborate closely with Product, Design, and Engineering teams to deliver features from concept to production.
• Proficiency in applying testing, debugging, and release management best practices across mobile platforms.
• Familiarity with mobile monitoring and crash‑reporting tools (e.g. Firebase Crashlytics, Sentry) to detect and triage production issues.
• Strong Git proficiency, including branching strategies, conflict resolution, code review workflows, and repository hygiene.
• Comfortable using Claude Code as the primary build tool, writing precise specs and acceptance criteria, and validating output for security gaps, edge cases, and architectural alignment.

ASTRNT is APAC's fastest growing talent selection platform & advisory, established in 2016. Our services have expanded globally, with a strong focus on responsibly adopting AI to enhance our offerings. We empower leading organizations such as Telkom Akses, Kereta Api Indonesia, Sampoerna, Kompas Group, NTU, National University of Singapore, Unicharm, Acer, BCG, and Nestle.

We are committed to equal treatment and opportunity in all aspects of recruitment, selection, and employment, fostering a community of inclusion and an environment free from discrimination, harassment, and retaliation.