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 Mobile :

- 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