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David Joseph & Company in San Francisco, CA is seeking a hands-on, delivery-focused expert to own end-to-end reinforcement learning environments for strategic customers. This on-site, full-time role reports directly to the founders and includes equity in a high-growth seed-stage startup.
You will own data pipelines, lead cross-functional projects across engineering, operations, and go-to-market, and stand up operational processes from scratch while building from a lean, high-ownership team.
San Francisco, CA · On-site · Full-timeCompensation: $75,000-$100,000 base (OTE $150,000-$200,000) + equity
Our client is a seed-stage startup building the data infrastructure and reinforcement learning environments that leading AI labs use to train and evaluate their models. Backed by top-tier investors and led by a founding team with deep experience across large-scale data and consumer-tech platforms, they are building a lean, high-ownership team tackling one of the key bottlenecks in frontier model improvement.Founded 2025 · 1-10 people · Industry: AI Tools / data infrastructure
This is a hands-on execution role - not strategy or advisory - sitting across engineering, operations, and go-to-market. You'll ramp quickly, own key data pipelines and the end-to-end delivery of reinforcement learning environments for strategic customers, and build operational processes from scratch while reporting progress directly to the founders.
What you'll be doing
Tech stack: SQL / Python (for self-serve data analytics)