Backend Software Engineer (GenAI)

Location: Arlington, VA or Seattle, WA Work Model: Onsite Compensation: $190K to $240K base + equity + sign-on bonus

Overview

A fast-scaling technology company building AI-enabled software for high-consequence operational environments is hiring a backend engineer to own production GenAI systems. This is engineering work at the systems level: retrieval architectures, LLM integrations, agentic tool-calling, and the APIs and distributed services that make them dependable under real operating conditions. The work is not prototypes or thin wrappers around third-party models.

The role carries meaningful ownership over architecture and implementation. Systems move from design through production and then keep improving based on how they actually perform in use. A central part of the job is building the evaluation and testing infrastructure that measures output quality, surfaces failure modes,