Proximity Works

Delivers production-grade AI systems at scale

Senior Backend Engineer

Backend EngineeringConfirmed live in the last 24 hours

ContractRemote in IndiaNo salary listedRemote

About the Job

Requirements

Strong programming experience with Java.
Strong experience with Spring Boot and the Spring ecosystem.
Strong experience designing RESTful APIs and microservices.
Solid understanding of distributed systems, concurrency, and asynchronous processing.
Experience with SQL databases such as PostgreSQL or MySQL.
Experience with caching technologies such as Redis.
Experience with Kafka or similar event-streaming and messaging platforms.
Understanding of transaction management, idempotency, and data consistency.
Experience with AWS or similar cloud platforms.
Familiarity with Docker, Kubernetes, and continuous integration and continuous delivery (CI/CD) pipelines.
Strong production-debugging and performance-optimization skills.
Seven or more years of backend engineering experience.
Strong architecture and system-design expertise.
Experience building high-throughput, low-latency, and highly available systems.
Strong understanding of failure handling and distributed-system design.
Ability to independently drive complex platform integrations.
Experience mentoring engineers and reviewing architecture and code.

Responsibilities

Design and build scalable backend services using Java and Spring Boot.
Develop high-performance REST APIs and microservices.
Build backend capabilities for subscriptions, payments, and user entitlements.
Implement Fire TV in-app purchase (IAP) purchase and subscription workflows.
Integrate with app stores, payment providers, and external platform APIs.
Build workflows covering purchases, renewals, cancellations, refunds, and subscription-state changes.
Design reliable, idempotent transaction-processing systems.
Handle retries, failures, reconciliation, and eventual consistency across distributed services.
Build event-driven and asynchronous workflows using messaging systems.
Design systems that can handle high throughput and sudden traffic spikes.
Optimize service latency, throughput, scalability, and infrastructure utilization.
Improve observability through logging, metrics, tracing, and alerting.
Troubleshoot complex production issues across distributed services.
Participate in architecture reviews, code reviews, and technical-design discussions.

Desired Qualifications

Experience with NoSQL databases.

Senior Backend Engineer - Java (6-month contract)

Proximity Works · India (Remote) · Full-time · Posted 2026-11-06

Workplace: remote

Department: Engineering

Description

We are looking for experienced Java Backend Engineers to work on backend systems powering the Subscriptions and Payments ecosystem.

The engineers will contribute to Fire TV In-App Purchase (IAP) capabilities and build services responsible for subscriptions, payments, entitlements and transaction processing.

These systems operate at significant scale and need to remain highly available, fault tolerant and performant during major traffic spikes, including live sporting events and large content releases.

Responsibilities

Design and build scalable backend services using Java and Spring Boot.
Develop high-performance REST APIs and microservices.
Build backend capabilities for subscriptions, payments and user entitlements.
Implement Fire TV IAP purchase and subscription workflows.
Integrate with app stores, payment providers and external platform APIs.
Build workflows covering purchases, renewals, cancellations, refunds and subscription-state changes.
Design reliable, idempotent transaction-processing systems.
Handle retries, failures, reconciliation and eventual consistency across distributed services.
Build event-driven and asynchronous workflows using messaging systems.
Design systems that can handle high throughput and sudden traffic spikes.
Optimize service latency, throughput, scalability and infrastructure utilization.
Improve observability through logging, metrics, tracing and alerting.
Troubleshoot complex production issues across distributed services.
Participate in architecture reviews, code reviews and technical-design discussions.

Requirements

Strong programming experience with Java.
Strong experience with Spring Boot / Spring ecosystem.
Strong experience designing RESTful APIs and microservices.
Solid understanding of distributed systems, concurrency and asynchronous processing.
Experience with SQL databases such as PostgreSQL/MySQL.
Experience with NoSQL databases is desirable.
Experience with caching technologies such as Redis.
Experience with Kafka or similar event-streaming/messaging platforms.
Understanding of transaction management, idempotency and data consistency.
Experience with AWS or similar cloud platforms.
Familiarity with Docker, Kubernetes and CI/CD pipelines.
Strong production-debugging and performance-optimization skills.

Experience

7+ years of backend engineering experience.
Strong architecture and system-design expertise.
Experience building high-throughput, low-latency and highly available systems.
Strong understanding of failure handling and distributed-system design.
Ability to independently drive complex platform integrations.
Experience mentoring engineers and reviewing architecture and code.

Note: This is a 6-month contractual role.

Benefits

Best-in-class salary: We hire strong talent and compensate accordingly.
Proximity Talks: Meet and learn from designers, engineers, product leaders, and AI practitioners.
Continuous learning: Work with a world-class team and stay close to the latest in AI, engineering, and product development.
High-impact work: Build AI-first systems and products used at scale by global clients.

About Us
Proximity is the trusted technology, design, and consulting partner for some of the biggest Sports, Media, and Entertainment companies in the world. We’re headquartered in San Francisco and have offices in Palo Alto, Dubai, Mumbai, and Bangalore.
Since 2019, Proximity has built high-impact, scalable products used by millions of users every day. Today, we are a global team of engineers, designers, product managers, and experts solving complex problems and building cutting-edge technology at scale.

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About the Company

Proximity Works

Delivers production-grade AI systems at scale

Proximity Works builds production AI systems for large sports, media, and entertainment platforms. The company engineers and deploys AI solutions that operate in real-world, high-traffic settings—across 200+ countries—over six years of production experience. Its products are production-grade AI systems designed to run safely and efficiently within demanding consumer-facing platforms. The core work involves taking AI models from development to live operation, integrating them into existing tech stacks, monitoring performance, and ensuring reliability at scale. What sets Proximity Works apart is its focus on long-term, production-ready implementations for large platforms rather than just research or pilots, demonstrated by years of live use and a global reach. The company's goal is to help large media, sports, and entertainment platforms leverage AI at scale to improve experiences, automate workflows, and deliver reliable, scalable AI-driven capabilities to audiences worldwide.

Company size: 51-200
Company stage: Not listed
Total funding: Not listed
Headquarters: Mumbai, India
Founded: 2019

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