Senior Mobile Application Developer

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