Senior Software Engineer Backend

Bellevue, WA - USA

Monthly Salary: Not Disclosed

Posted on: 17 hours ago

Vacancies: 1 Vacancy

Job Summary

Senior Software Engineer - Backend

Bellevue WA

Long Term Contract

What You Will Do:

Primary Focus: Scalable API and service development data storage performance optimization and integration with LLM services. Designing testing and optimizing prompts and prompt flows for LLMs and RAG systems.

Must Have: Strong experience in one or more server languages (Java/.NET) REST/GraphQL relational caching (Postgres/Redis) and message queues. Practical experience with major LLMs (OpenAI Anthropic LLaMA family) prompt templates prompt chaining and evaluation metrics.

Engineering Practices: TDD/unit integration tests API documentation observability.

Integration: Build secure low latency endpoints for prompt services manage batching/rate limits implement auth/ACL.

Deliverables: Well tested service code API specs deployment manifests performance benchmarks prompt library A/B evaluation reports reproducible test harnesses and integration guides for backend teams.

Safety & Cost Guardrails: Hallucination mitigation prompt cost optimization PHI aware handling.

What You Will Bring:

A high impact role with visibility across engineering and product.

Opportunity to lead backend initiatives that bridge scalable service design with GenAI workflows.

A collaborative growth oriented engineering culture.

Experience working at the intersection of backend systems and LLM integrations.

Opportunity to convert to full time with the client.

Senior Software Engineer - Backend Bellevue WA Long Term Contract What You Will Do: Primary Focus: Scalable API and service development data storage performance optimization and integration with LLM services. Designing testing and optimizing prompts and prompt flows for LLMs and RAG systems. M...