Mid-Senior Software Developer - React in भारत

About The Role

Lead the mobile engineering for a modern trading platform used by Indian investors on the go. As Senior Expo Engineer, you will own the mobile stack, drive architecture decisions, and ensure our app is fast, reliable, and secure for high-value financial transactions.

WHAT YOU'LL DO

Own end-to-end mobile app architecture using React Native and Expo

Lead cross-platform deployment strategy — iOS App Store and Google Play

Drive performance optimization — startup time, memory usage, and battery efficiency

Design and implement secure authentication — biometrics, PIN, 2FA, session management

Integrate REST APIs and WebSocket streams for live market data and order flows

Establish mobile engineering standards — code review, testing, release processes

Mentor mid-level engineers on mobile best practices

Own crash monitoring, ANR resolution, and app-store rating health

Own OTA update strategy and release cadence using EAS Update

MUST HAVE

5–8 years of hands-on mobile development, with 3+ years focused on React Native / Expo

Strong TypeScript and JavaScript proficiency

Deep understanding of React Native fundamentals — components, hooks, state management

Experience with the Expo ecosystem — EAS Build, EAS Update, config plugins

Cross-platform deployment experience — App Store and Play Store publishing

Native-module integration experience when needed (iOS/Android bridges)

Mobile architecture patterns — Redux/Zustand, React Navigation, offline handling

Performance profiling and optimization on mobile

Prior experience leading mobile stacks or mentoring engineers

Preferred (nice To Have)

Experience in the trading, fintech, or financial-services domain

Secure storage, encryption, cert pinning, and app-hardening expertise

Familiarity with charting libraries and real-time data rendering on mobile

Push notifications, deep-linking, and background tasks

Native iOS (Swift) or Android (Kotlin) skills for bridge work

Prior work on high-traffic consumer apps (100K+ MAUs)

Contributions to open-source React Native projects

WHY JOIN US

Own and shape the mobile stack for a category-defining trading platform

Work with a lean, high-agency engineering team

Real technical influence and ownership from day one

Competitive compensation with growth opportunities

Skills: javascript,expo,typescript,react native,redux