Mobile Developer
First seen by Alion on Jul 23, 2026.
About Kadellabs :
Kadel Labs is a deep-tech IT services company dedicated to transforming businesses with cutting-edge solutions. Our expertise spans Data Analytics, Engineering, and Visualization; Cloud services including DevOps, InfoSecOps, and InfraOps; Software development and modernization; and Generative AI-driven business applications. As a trusted partner of Data Bricks, Azure, AWS, Web Methods, and Bitrix24 CRM, we empower businesses with innovative, reliable, and scalable technology solutions.
Job Title : Mobile Developer
Experience : 4-5 Years
Location : Bangalore
About the Role :
We are looking for a Mobile Developer with 35 years of experience in React Native to join our engineering team. You will own the development, maintenance, and enhancement of our cross-platform mobile application used across 30+ client organizations. The app operates in demanding field environments offline mode, low connectivity, GPS tracking, image capture, bulk data sync, and real-time call integration. You will work closely with backend engineers and product managers to deliver features that directly impact field collections performance.
Key Responsibilities :
- Build and maintain cross-platform mobile features in React Native (iOS + Android) aligned with backend APIs.
- Implement offline-first data sync mechanisms for field use cases where connectivity is unreliable.
- Integrate with REST APIs (Spring Boot 3.x backend) including JWT/OAuth2 authentication flows via Keycloak.
- Implement Firebase Cloud Messaging (FCM) for push notifications activity alerts, call assignments, settlement approvals.
- Work with device capabilities : GPS location tracking, camera (photo/document capture), file system (bulk upload).
- Build call center integrations : click-to-call flows, call status tracking.
- Maintain per-client build configurations 30+ org-specific auth configs, themes, and feature flags.
- Write clean, testable component code; participate in code reviews and maintain quality standards.
- Optimise app performance : memory, bundle size, startup time, list rendering for large datasets.
- Collaborate with backend and product teams in an agile delivery environment.
Must Have Skills :
Core
- React Native 0.7x strong proficiency; functional components, hooks, navigation
- React Navigation stack, tab, drawer navigators; deep linking
- State management Redux / Redux Toolkit or MobX
- REST API integration Axios, token refresh, error handling, retry logic
- Offline support AsyncStorage, SQLite (react-native-sqlite-storage or WatermelonDB), sync strategies
- Push notifications Firebase Cloud Messaging (FCM) integration on Android + iOS
- Device APIs Geolocation, Camera (react-native-camera / vision-camera), permissions management
- Platform-specific configuration Android Gradle, iOS Xcode / CocoaPods, signing
Authentication :
- OAuth2 / OIDC token handling, refresh flows, secure storage (Keychain / Keystore)
- Keycloak or similar identity provider integration (preferred)
General :
- Git branching, PR-based workflow
- Understanding of REST API design; ability to read backend API contracts
- Basic debugging with Flipper / Metro / logcat / Xcode console
- Familiarity with CI/CD for mobile : Fastlane, GitHub Actions, or similar
Preferred / Nice to have :
- Experience building apps for FinTech, NBFC, or field-force use cases
- Click-to-call / VoIP integration (SlashRTC, Ozonetel, Exotel, or similar) WebSocket integration for real-time agent status and live call notifications
- AWS S3 presigned URL upload from mobile (documents, images) Short URL / QR code generation and scanning
- Multi-tenant white-labelling : per-client themes, icons, API base URLs, feature toggles
- Performance profiling : Hermes JS engine, RAM bundles, Flashlist vs FlatList optimisation
- TypeScript strong typing for React Native components and API models
- Unit testing with Jest + React Native Testing Library
- Experience distributing to Google Play + Apple App Store
Required Qualifications :
- 3-5 years of professional mobile development experience
- At least 2-3 years specifically in React Native (not just React)
- Demonstrable experience shipping apps to production on both Android and iOS
- B.E. / B.Tech or equivalent in Computer Science or related field
- Strong debugging skills in hybrid/native bridge scenarios
Why Join Kadel Labs? :
- Opportunity to work with a fast-growing, innovative company.
- A dynamic work environment where creativity and new ideas are encouraged.
- Competitive salary and benefits package.
- Professional development opportunities in a people-first culture
Skills
React Native, Redux, REST API, Firebase, Mobile App Architecture, Android, iOS, API Integration, Push Notification