[Hiring] Senior Full Stack Engineer @Proximity Works

Role 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.

Qualifications

• 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.

Requirements

• 7+ years of software engineering experience.
• Strong system-design and architecture experience.
• Experience designing systems for high concurrency, large-scale traffic, and high availability.
• Ability to drive complex technical implementations end-to-end.
• Experience mentoring engineers and influencing engineering best practices.
• 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.