This is us
At Avenga, we believe that human creativity empowers technology that matters. Operating globally, our 6000+ specialists provide a full spectrum of services, including business and tech advisory, enterprise solutions, CX, UX and Ul design, managed services, product development, and software development.

This is the job
In Argentina within the Industrial IoT & Mobile Solutions industry, we are actively seeking a Senior Android Engineer to lead the end-to-end migration of the Optimus industrial app. Your mission will be to transform an existing native Android application into a highly resilient React Native solution, integrating secure AWS cloud features, IoT data streams, and robust offline-first capabilities for plant operations.

This is you
4+ years of proven professional experience in native mobile development for Android using Kotlin.
Solid hands-on experience with React Native using TypeScript, hooks, React Navigation, and state management frameworks (Redux Toolkit, Zustand, or MobX).




Practical experience driving brownfield/strangler-fig migrations or modernizing legacy mobile apps.
Strong background in backend integration via REST APIs, JWT, and OAuth2/OIDC protocols (experience with AWS Cognito is a big plus).
Proficiency in offline-first engineering using local storage engines (SQLite, Realm, AsyncStorage, or MMKV) and data synchronization queues.
Experience setting up mobile CI/CD automation and build pipelines (Fastlane, GitHub Actions, Bitrise, or CircleCI), including code signing and distribution.
Solid testing practices utilizing Jest, React Native Testing Library, and optionally automated E2E tools like Detox or Appium.
Nice-to-have skills:
Familiarity with Industrial IoT architectures, MQTT, AWS IoT Core, Greengrass, or Edge computing.
Understanding of manufacturing KPIs and metrics such as OEE (Availability, Performance, Quality).
Experience writing native bridges (modules) and optimizing performance for industrial-grade Android devices.
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📌 Senior Mobile Engineer (Argentina)
🏢 avenga
📍 Argentina