Member of Technical Staff, Full Stack

ABOUT THE ROLE Join an early-stage AI company building infrastructure that helps enterprise agents improve through production feedback. This backend-leaning full-stack role will shape the systems and product features that make agent workflows more reliable. WHAT YOU'LL DO - Build backend systems for agent evaluation and continuous improvement. - Develop data models for evaluation datasets, experiment runs, agent traces, knowledge versions, findings, and customer-defined quality criteria. - Own enterprise integrations, including authentication, OAuth, webhooks, data syncs, backfills, rate limits, retries, monitoring, and production support. - Take features from technical design through implementation, deployment, monitoring, customer feedback, and iteration. - Work with customers to diagnose system issues and turn their needs into reusable product capabilities. WHAT WE'RE LOOKING FOR - Three to six years of experience as a backend-leaning full-stack software engineer, with substantial software engineering experience. - Experience at both a large company and an early-stage startup, with meaningful individual-contributor ownership. - Experience building production systems for enterprise customers, including data models, pipelines or queues, and integrations. - Comfort shipping user-facing features with TypeScript and React; Python experience is preferred. - Knowledge of relational databases, vector databases, and cloud environments. - A bachelor's degree in computer science or a related field. - Experience with agents, LLMs, evaluation, or QA is beneficial. COMPENSATION & BENEFITS Base salary: $180,000 to $200,000 annually. Visa sponsorship is available. LOCATION On-site in San Francisco, California, United States.