PIONEER CONSULTING SERVICES LLC
Distinguished Agent Engineer
San Francisco Bay Area · Senior · Full-time
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About the role
- Figure out where specialized models beat frontier LLMs inside agent loops, and prove it with benchmarks and real customer workloads.
- This is one of our most senior IC engineering role.
- You'll set the technical direction for how agents get built on Fastino models, write a lot of the core code yourself, and raise the bar for everyone around you.
Responsibilities
- Design and own the architecture for agentic systems built on
- Build the evals, telemetry, and feedback loops that tell us when agents are getting better (or worse) and why.
- Partner with research to turn new model architectures into agent capabilities, and shape what research works on next.
- Drive data and fine-tuning strategy for agent specific tasks like tool calling, extraction, and routing.
- Design and own the architecture for agentic systems built on Fastino's small, fast models: planning, tool use, memory, and multi-agent orchestration.
Requirements
- A track record of shipping agentic systems that real users rely on, and the scars to prove it.
- Strong understanding of model behavior: fine-tuning, evals, failure modes, and latency/cost tradeoffs.
- You've built agentic systems that real users depend on, and you have strong opinions about what works.
Nice to have
- Experience setting technical direction across teams, not just within one project.
- You write clearly and make complicated systems feel simple.
This listing is sourced directly from PIONEER CONSULTING SERVICES LLC's careers page and normalized into a canonical job model.