Position: Senior Backend Software EngineerLocation: Bellevue, WA (Onsite)Client: Quest GlobalRate/Salary: $50-$57/hr on C2C Candidate needs to be on your W2 for contract role (No Sub-contractor allowed)Exp: 6-10 yearsKey Points: Big Data, Java, Redis, AWS, GraphQL WHAT YOU WILL DO:• Primary Focus: Scalable API and service development, data storage, performance, and integration with LLM services.
• Must Have: Strong experience in one or more server languages (Java/Net), REST/GraphQL, relational + caching (Postgres/Redis), and message queues.
• Engineering Practices: TDD/unit integration tests, API docs, observability.
• Integration: Build secure, low-latency endpoints for prompt services, manage batching/rate limits, and implement auth/ACL