Software Engineer React Native

About the Role

You will be a core engineer responsible for building and scaling our cross-platform AI chat mobile application from the ground up. Youll work on real-time conversational UI streaming AI responses smooth animations offline support and a polished user experience that rivals the best chat apps on the market.

This is a hands-on engineering role where youll collaborate closely with backend engineers UI/UX designers and the product team to ship features that directly impact how users interact with AI.

Key Responsibilities

• Design develop test and maintain a high-performance cross-platform AI chat application using React Native for Android and iOS.
• Build smooth responsive chat UI components message lists streaming text rendering markdown/rich content display voice input and animations.
• Implement real-time streaming API responses (SSE/WebSocket) for live AI-generated content with optimistic UI updates.
• Integrate RESTful APIs and real-time services; handle edge cases like network interruptions retries and offline scenarios.
• Implement local data persistence for conversation history and offline support (e.g. SQLite WatermelonDB MMKV or AsyncStorage).
• Manage application state using modern state management (Redux Zustand Context API or similar).
• Optimize for performance responsiveness and battery efficiency smooth scrolling fast cold starts minimal re-renders.
• Integrate push notifications deep linking and analytics.
• Ensure data security and privacy best practices for user conversation data (secure storage encryption token management).
• Collaborate with UI/UX designers backend engineers QA engineers and product teams in an agile environment.
• Debug troubleshoot and resolve application issues across both Android and iOS platforms.
• Participate in code reviews and maintain high coding standards.
• Write technical documentation and contribute to the continuous improvement of development processes.

Qualifications :

Required Qualifications

• Bachelors degree in Computer Science Software Engineering or a related field (or equivalent practical experience).
• 3 years of professional software development experience with at least 1.5 years of hands-on React Native experience.
• Strong proficiency in JavaScript (ES6) and TypeScript.
• Deep understanding of React Native React Hooks and modern React patterns.
• Experience building chat or real-time messaging UIs (or similar complex list/scroll-heavy interfaces).
• Experience integrating REST APIs and real-time data (SSE WebSocket or similar).
• Solid experience with React Navigation and deep linking.
• Experience with state management (Redux Zustand Context API or similar).
• Understanding of local persistence and offline-first patterns.
• Proficiency with Git version control and collaborative workflows (branches PRs code reviews).
• Experience with npm or Yarn for dependency management.
• Good understanding of Android and iOS application lifecycle permissions and platform-specific configurations.
• Strong problem-solving and debugging skills across both platforms.
• Ability to work collaboratively in an agile development environment.

Preferred Qualifications

• Experience publishing applications to the Google Play Store and Apple App Store (including handling store reviews signing and provisioning).
• Knowledge of native Android (Kotlin/Java) or iOS (Swift) development for writing custom native modules or bridging.
• Experience with push notifications analytics and mobile security best practices.
• Familiarity with CI/CD pipelines for mobile application deployment (e.g. Fastlane EAS GitHub Actions).
• Experience writing unit and integration tests (Jest React Native Testing Library Detox).
• Familiarity with AI/LLM concepts chat completion APIs streaming tokens prompt handling or similar.
• Experience with animation libraries (React Native Reanimated Gesture Handler Lottie).
• Experience with Firebase services (Crashlytics FCM Analytics Remote Config).
• Experience with Expo (EAS Build OTA updates) or bare React Native CLI workflows.

Additional Information :

What We Offer

• An opportunity to work with a Tokyo-based startup and contribute to a truly innovative AI-based service.
• A meaningful role in building real-world AI products used by real users not just prototypes.
• A collaborative people-focused work environment where contributions are visible and valued.
• Salary range: BDT per month (based on experience and assessment results)
• Salary review: Twice a year
• Performance bonus: Twice a year
• Comprehensive health insurance
• Complimentary meals and snacks
• Working days: Sunday Thursday (Hybrid)
• Working hours: 9:00 AM 6:00 PM (BDST)
• Office location: 3rd & 4th Floor House 1148 Road 9/A Avenue 10 Mirpur DOHS Dhaka-1216 Bangladesh.

Remote Work :

No

Employment Type :

Full-time