Java Backend Engineer – Subscriptions & Payments (Scale)

Proximity Works; San Francisco, Palo Alto (CA, CA); On-site; USD 120,000 - 160,000; Full time

Benefits offered by this job

Best-in-class salary

Proximity Talks

Continuous learning

High-impact work

Job summary

Proximity is seeking experienced Java Backend Engineers to work on the Subscriptions and Payments ecosystem, powering Fire TV IAP capabilities and related entitlements and transaction processing.

These systems must stay highly available, fault tolerant, and performant during major traffic spikes including live events. You will design and build scalable backends, REST APIs, and event-driven workflows with AWS, Docker, Kubernetes, Redis and Kafka in a distributed environment.

Qualifications

• 4-7 years of backend engineering experience.
• Strong hands-on Java and microservices development.
• Ability to independently design and deliver backend services.
• Experience working on scalable and distributed production systems.

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.

Skills

Java

Spring Boot

REST APIs

Microservices

Distributed systems

Concurrency

Asynchronous processing

Tools

Docker

Kubernetes

Redis

Kafka

AWS

PostgreSQL/MySQL

Job description

Proximity is seeking experienced Java Backend Engineers to work on the Subscriptions and Payments ecosystem, powering Fire TV IAP capabilities and related entitlements and transaction processing.

These systems must stay highly available, fault tolerant, and performant during major traffic spikes including live events. You will design and build scalable backends, REST APIs, and event-driven workflows with AWS, Docker, Kubernetes, Redis and Kafka in a distributed environment.