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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.
Work arrangement
Yes
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