Member of Technical Staff, Full Stack

ABOUT THE ROLE Join a small, highly technical team building AI infrastructure that helps enterprise agents improve through production feedback. This backend-leaning full-stack role offers ownership of core systems and the product features that make them useful to customers. WHAT YOU'LL DO - Build backend systems for agent evaluation and continuous improvement. - Design and evolve data models for evaluation datasets, experiment runs, agent traces, knowledge versions, findings, and customer-defined quality criteria. - Own enterprise integrations from authentication and data synchronization through retries, monitoring, and production support. - Take features from technical design and implementation through deployment, monitoring, customer feedback, and iteration. - Work with customers to diagnose issues and turn their needs into reusable product capabilities. WHAT WE'RE LOOKING FOR - Three to six years of software engineering experience, with substantial backend-leaning full-stack experience and a strong individual-contributor focus. - Experience building production systems for enterprise customers, including data models, pipelines or queues, and integrations. - Comfort shipping user-facing features with TypeScript and React, alongside backend work in Python and relational or vector databases. - Experience at both a larger organization and an early-stage startup, with meaningful ownership in a small team. - A bachelor's degree in computer science or a related field. - AI, agent evaluation, or LLM experience is helpful, as is a founder background or participation in hackathons. COMPENSATION & BENEFITS Base salary: $180,000 to $200,000 annually. Visa sponsorship is available. LOCATION On-site in San Francisco, California, United States.