Senior Mobile Application Developer

4 weeks ago

Lucknow, India MS Technologies Full time

We are looking for a Senior Mobile Application Developer (Android/iOS) with extensive experience in building complex Android/iOS mobile applications, on a part-time basis. This can be a long term position for the right candidate.


Job Requirements:

  • 8-10 years of experience in building mobile applications
  • Expert in Native mobile application development (Xamarin, React Native, Swift, iOS or Android)
  • Integrate REST/GraphQL APIs, WebSockets, push notifications, deep links.
  • Experience with releasing applications on the App stores.
  • Optimize performance (startup time, bundle size, memory, FPS) and fix crashes.
  • Implement offline flows, data caching/sync, and secure storage.
  • Write unit/integration/UI tests (Jest, React Testing Library, Detox).
  • Mobile CI/CD (e.g., GitHub Actions/Bitrise), code-push/EAS updates, and store submissions.
  • Handle native build/tooling: Xcode, Android Studio/Gradle, signing & provisioning.
  • Instrument analytics and crash reporting (Firebase/Crashlytics/Sentry); monitor with KPIs.
  • Experience in hybrid app development is a plus
  • Experience with languages/ frameworks such as HTML5, CSS, JavaScript, Node.js, ReactJs and Vue.js is a plus

Education/Skills:

  • B.E./B.Tech. degree
  • Strong TypeScript, React Hooks, React Navigation, and state management (Redux Toolkit/Zustand/MobX).
  • Comfortable with native bridges/modules (Swift/Objective-C, Kotlin/Java basics).
  • Solid grasp of mobile networking, async patterns, and error handling.
  • Experience with app signing, certificates/profiles, and release pipelines.
  • Testing mindset; familiarity with Jest and at least one E2E tool (Detox).
  • Git proficiency and collaborative workflows (PRs, code reviews).
  • Clear, proactive communication and reliable time management.
  • Strong analytical skills


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