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Full Stack Engineer - Web + Java

Proximity Works • India


No Relocation

Posted: September 25, 2026

Job Description

We are looking for strong Full Stack Engineers to work on large-scale systems. Serving millions of users across web, mobile and connected-TV devices.

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

You will work on highly scalable consumer-facing systems where performance, reliability, low latency and seamless user experience are critical, particularly during high-traffic events such as live sports and major content releases.

Responsibilities

  • Design, develop and maintain scalable full-stack applications using Java and modern web technologies.
  • Build frontend and backend capabilities supporting subscriptions, payments and entitlement management.
  • Develop responsive, performant user experiences using JavaScript/TypeScript and React or similar frameworks.
  • Build and integrate REST APIs and microservices for subscription and payment workflows.
  • Work on Fire TV IAP integration, including purchases, renewals, cancellations and entitlement synchronization.
  • Integrate with external payment providers, app stores and platform APIs.
  • Build resilient systems capable of handling large traffic spikes and high concurrent usage.
  • Improve application performance, availability, monitoring and reliability.
  • Handle failure scenarios, retries, reconciliation and user-state consistency across distributed systems.
  • Collaborate with backend, frontend, product and platform teams to deliver features end-to-end.
  • Write high-quality, maintainable and well-tested production code.
  • Participate in design reviews, code reviews and architecture discussions.

We are looking for strong Full Stack Engineers to work on large-scale systems. Serving millions of users across web, mobile and connected-TV devices.The role will be part of the Subscriptions and Payments engineering team and will contribute to buildin...
  • Strong experience with Java, Spring Boot and RESTful services.
  • Strong frontend experience with JavaScript/TypeScript, HTML and CSS.
  • Experience with React, Next.js or similar modern frontend frameworks.
  • Strong understanding of microservices and distributed systems.
  • Experience building high-scale consumer-facing applications.
  • Experience with SQL/NoSQL databases.
  • Exposure to caching systems such as Redis.
  • Experience with messaging/event-streaming technologies such as Kafka is preferred.
  • Experience with cloud platforms such as AWS.
  • Familiarity with Docker, Kubernetes and CI/CD.
  • Good understanding of observability, monitoring and production debugging.

Experience

  • 4-7 years of software engineering experience.
  • Strong hands-on frontend and backend development experience.
  • Ability to independently own and deliver production features.
  • Experience working on scalable distributed applications.

Note: This is a 6-month contractual role.