Sr. Mobile Dev.
RemoteUnited States
United StatesRemoteFull TimeSenior LevelSmall
Full TimeSenior LevelSmall
Job Summary
Lead the migration of a native Android app to React Native for an Industrial IoT solution, assessing architecture and defining a brownfield strategy. Build the core mobile experience with navigation, state management, and offline-first capabilities for equipment monitoring and OEE KPIs. Integrate authentication and AWS APIs while implementing CI/CD pipelines and comprehensive testing protocols. Ensure mobile security standards and collaborate with backend teams on observability and API contracts. Document technical decisions and participate in code reviews to maintain operational continuity during the transition.
Required Qualifications
- 3+ years in mobile development with proven native Android (Kotlin) experience
- Hands-on experience with brownfield apps and/or modernization/migrations
- Solid React Native knowledge (JS/TS), hooks, navigation, state management (Redux/Zustand/MobX or similar)
- REST/GraphQL API integration and auth (JWT/OAuth2/OIDC)
- Experience with AWS or cloud environments (ideally API Gateway, Lambda, Cognito, IoT Core, S3, CloudWatch)
- Local storage (SQLite/Realm/AsyncStorage) and synchronization strategies
- Mobile CI/CD (Fastlane/GitHub Actions/Bitrise/CircleCI) plus signing and release processes
- Testing & quality practices (Jest, RN Testing Library, Detox/Appium—at least one)
- Technical English for documentation/specs
Desired Qualifications
- Industrial IoT experience and integration with sensors/SCADA/MES
- Knowledge of OEE and manufacturing KPIs (downtime, scrap, speed, production)
- WebSockets/MQTT (especially with AWS IoT Core)
- Mobile observability (Crashlytics/Sentry), feature flags, A/B testing
- Clean architecture, monorepos, native modules/bridges, performance optimization
- Industrial security/compliance (ISO 27001, IEC 62443)
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