AquaExchange is hiring a Backend Developer in Hyderabad to build, test, deploy and maintain scalable backend services with Node.js, TypeScript and Fastify. You will take requirements and deliver backend features independently, design APIs and database changes, write automated tests, join code reviews, maintain CI/CD pipelines and monitor and troubleshoot applications in production. The company wants 3+ years of hands-on backend experience with REST APIs, PostgreSQL, Redis, asynchronous processing, automated testing, CI/CD, Docker and Linux VMs, with production experience beyond basic CRUD APIs. Experience with IoT, telemetry, event-driven, distributed or high-volume systems is highly preferred.