Description
We are looking for experienced Full Stack Engineers with Android and backend expertise in Go or Java to work on large-scale systems.

The role will be part of the Subscriptions and Payments engineering team and will contribute to building and enhancing Fire TV In-App Purchase (IAP) capabilities, subscription journeys, payment integrations and entitlement workflows.

You will work across Android/Fire TV applications and backend services, building highly scalable and reliable systems capable of supporting millions of users and significant traffic spikes during major live events.

Responsibilities
- Design, develop and maintain Android / Fire TV applications and supporting backend services.
- Build Android features using Kotlin/Java with a focus on performance, reliability and user experience.
- Develop scalable backend services using Go or Java.
- Build and integrate APIs supporting subscriptions, payments and entitlement workflows.
- Implement Fire TV In-App Purchase (IAP) flows including purchases, renewals, cancellations and entitlement synchronization.




- Integrate applications with app-store APIs, payment platforms and internal backend services.
- Build resilient workflows capable of handling failures, retries and transaction reconciliation.
- Design systems to support high concurrency and large traffic spikes, particularly during live sports and major content releases.
- Optimize application startup, API latency, network usage and overall performance.
- Work on authentication, device management and user-session flows where required.
- Implement monitoring, logging and observability across mobile/TV and backend systems.
- Write maintainable, well-tested production code.
- Participate in architecture discussions, code reviews and technical design reviews.
- Collaborate with Android, backend, platform, payments and product teams to deliver features end-to-end.

Requirements
- Robust Android development experience using Kotlin and/or Java.
- Good understa

📌 Senior Full Stack Engineer (India)
🏢 Proximity Works
📍 India