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Senior Full Stack Engineer - Android + Go/Java

Proximity Works • India


No Relocation

Posted: September 25, 2026

Job 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.
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 F...
  • Strong Android development experience using Kotlin and/or Java.
  • Good understanding of Android application architecture, lifecycle and performance optimization.
  • Experience developing applications for Android TV or Fire TV is highly desirable.
  • Strong backend development experience using Go or Java.
  • Experience with Spring Boot for Java backend development or common Go web/service frameworks.
  • Strong experience designing and consuming REST APIs.
  • Good understanding of microservices and distributed systems.
  • Experience with SQL databases such as PostgreSQL/MySQL.
  • Experience with NoSQL databases is desirable.
  • Experience with caching technologies such as Redis.
  • Exposure to Kafka or similar messaging/event-streaming technologies.
  • Understanding of asynchronous processing, concurrency and distributed transactions.
  • Experience with AWS or similar cloud platforms.
  • Familiarity with Docker, Kubernetes and CI/CD pipelines.
  • Strong debugging and production troubleshooting skills.

Experience

  • 4-7 years of software engineering experience.
  • Strong hands-on Android development experience.
  • Hands-on experience with backend development using Go or Java.
  • Ability to independently own and deliver features across application and backend layers.
  • Experience working on scalable production applications.

Note: This is a 6-month contractual role.