Senior React Native Developer - (Production (Support & Maintenance)

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Date: Jan 9, 2026

Location: Makati, Metro Manila, PH

Company: sistemasgl

React Native Developer (Production Support & Maintenance)

We are seeking a highly skilled and experienced React Native Developer to join our dynamic team. The ideal candidate will have a strong background in mobile application support, troubleshooting, and maintenance, with hands-on experience in React Native, JavaScript/TypeScript, and modern mobile development tools.

This role is primarily focused on production support and operational excellence, not greenfield feature development.

Key Responsibilities

  • Production support and maintenance of high-quality mobile applications built using React Native

  • These are NOT feature development positions

  • Incident management, troubleshooting, and root-cause analysis for mobile app issues in production

  • Bug fixing and stability improvements across Android and iOS platforms

  • Release preparation, coordination, and post-release support

  • Performance monitoring and optimization of mobile applications (startup time, memory usage, UI responsiveness)

  • Implement logging, monitoring, and alerting to proactively identify production issues

  • Collaborate with cross-functional teams (backend, QA, DevOps, product) to analyze issues and implement fixes

  • Troubleshoot and debug complex mobile issues, including device-specific and OS-specific behaviors

  • Ensure applications follow best practices for security, performance, and maintainability

  • Participate in code reviews to maintain code quality and consistency

  • Mentor and provide guidance to junior developers

  • Stay up to date with emerging mobile technologies, tools, and best practices

Required Technical Skills

Core React Native & Frontend

  • Strong experience with React Native

  • Proficiency in JavaScript (ES6+) and/or TypeScript

  • Solid understanding of React Hooks, functional components, and state management

  • Experience with state management libraries (Redux, Redux Toolkit, Zustand, or similar)

  • Familiarity with component lifecycle, rendering optimization, and performance tuning

Mobile Platform Knowledge

  • Strong understanding of Android and iOS platforms

  • Experience debugging platform-specific issues

  • Familiarity with native modules and bridging (basic Android/iOS knowledge is a plus)

  • Experience with mobile app performance profiling and optimization

APIs & Integration

  • Experience consuming REST APIs (and/or GraphQL)

  • Understanding of authentication mechanisms (OAuth, JWT, token-based auth)

  • Handling network failures, retries, and offline scenarios

Build, Release & DevOps

  • Experience with mobile CI/CD pipelines (e.g., GitHub Actions, Bitrise, CircleCI, Fastlane)

  • Familiarity with App Store and Google Play release processes

  • Experience with versioning, build configurations, and environment management

  • Git-based version control workflows

Monitoring & Support

  • Experience with logging, monitoring, and crash reporting tools (e.g., Datadog, Splunk, Grafana)

  • Ability to analyze logs, metrics, and alerts to resolve production incidents

  • Understanding of incident management and on-call support practices

Nice to Have

  • Experience with Expo

  • Familiarity with testing frameworks (Jest, React Native Testing Library, Detox)

  • Experience working with backend teams and cloud-based systems (AWS, GCP, etc.)

  • Previous experience in a production support / operations-heavy role

 


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