Mobile Developer

Kadel Labs; Bengaluru; On-site; INR 1,400,000 - 2,200,000; Full time

Job summary

Kadel Labs – Startup Studio in Bengaluru is seeking a Mobile Developer with 3–5 years of React Native experience to own the development, maintenance, and enhancement of our cross‑platform mobile application used by 30+ client organizations.

You will work with backend engineers and product managers in an agile delivery environment, implementing offline-first data sync, push notifications, and device APIs such as GPS and camera to enable robust field operations.

Qualifications

• 3–5 years of professional mobile development experience.
• 2–3+ years in React Native specifically.
• Experience shipping apps to production on Android and iOS.
• Strong debugging in hybrid/native bridge scenarios.

Responsibilities

• Build and maintain cross-platform mobile features in React Native (iOS + Android) aligned with backend APIs.
• Implement offline-first data sync for unreliable connectivity.
• Integrate REST APIs with JWT/OAuth2 via Keycloak.
• Implement Firebase Cloud Messaging for push notifications.
• Collaborate with backend and product teams in an agile delivery environment.

Skills

React Native

React Navigation

Offline data sync

Push notifications (FCM)

Device APIs

REST API integration

Keycloak integration

Education

B.E./B.Tech in Computer Science or related field

Tools

Firebase Cloud Messaging

JWT/OAuth2 authentication

Keycloak

Spring Boot

Android Gradle / Xcode

SQLite / AsyncStorage

Job description

At Kadel Labs – Startup Studio we built an ecosystem for early-stage founders to help them take their ideas to the next level. The ecosystem consists of in-house product teams, engineers, designers, data scientists, sales & marketing teams, legal experts, taxation, finance and operation heads. We aim to build a cohesive ecosystem, so that your startup runs as a full-fledged business from day 1!

KadelLabsisadeep-techITservicescompanydedicatedtotransformingbusinesseswithcutting-edgesolutions.Ourexpertise spans Data Analytics, Engineering, and Visualization; Cloud servicesincluding DevOps, InfoSecOps, and InfraOps; Software development andmodernization; and Generative AI-driven business applications. As a trustedpartnerofData Bricks,Azure,AWS,Web Methods,andBitrix24CRM,weempowerbusinesseswithinnovative,reliable,and scalable technology solutions

Job Title: MobileDeveloper

About the Role

We are looking for a Mobile Developer with 3–5 years of experience inReact Native to join our engineering team. You will own the development,maintenance, and enhancement of our cross-platform mobile application usedacross 30+ clientorganizations.

The app operates in demanding field environments — offline mode, lowconnectivity, GPS tracking, image capture, bulk data sync, and real-time callintegration. You will work closely with backend engineers and product managersto deliver features that directly impact field collections performance.

Key Responsibilities

• Build and maintain cross-platform mobile features inReact 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 viaKeycloak.
• Implement Firebase Cloud Messaging (FCM) for pushnotifications — 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 incode reviews and maintain quality standards.
• Optimiseapp performance: memory, bundle size,startup time, list rendering for large datasets.
• Collaborate with backend and product teams in an agiledelivery environment.

Must Have Skills

• React Native 0.7x — strong proficiency; functionalcomponents, hooks, navigation
• React Navigation — stack, tab, drawer navigators; deeplinking
• Offline support —AsyncStorage, SQLite(react-native-sqlite-storage orWatermelonDB), 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, iOSXcode /CocoaPods, signing
• Keycloakor similar identity provider integration(preferred)

General

• Git — branching, PR-based workflow
• Understanding of REST API design; ability to readbackend API contracts
• Basic debugging with Flipper / Metro / logcat / Xcodeconsole
• Familiarity with CI/CD for mobile: Fastlane, GitHubActions, or similar

Prefered / Nice to have

• Experiencebuilding 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
• AWSS3presignedURL upload from mobile (documents, images) -Short URL / QR code generation and scanning
• Multi-tenantwhite-labelling: per-client themes, icons, API base URLs, feature toggles
• TypeScript— strong typing for React Native components and API models
• Unittesting with Jest + React Native Testing Library
• Experiencedistributing to Google Play + Apple App Store

Required Qualifications

• 3–5 years of professional mobile developmentexperience
• At least 2–3 years specifically in React Native (notjust React)
• Demonstrable experience shipping apps to production onboth Android and iOS
• B.E. /B.Techor equivalent in ComputerScience or related field
• Strong debugging skills in hybrid/native bridgescenarios

Why Join Kadel Labs?

• Opportunity to work with a fast-growing, innovative company.
• A dynamic work environment wherecreativity and new ideas are encouraged.
• Competitive salary and benefitspackage.
• Professional developmentopportunities in a people-first culture.