Sofia Marchetti
Founding Engineer
Vantage Labs
Sofia was the first engineer at Vantage Labs and now leads their agent runtime. She is unreasonably interested in what happens when a tool call fails halfway through.
Their session1
Monday, October 12, 2026
Building reliable agents: a practitioner's playbook
Agents fail in ways that traditional services do not: partially, plausibly, and expensively. This talk is the playbook we wish we had — bounded tool surfaces, idempotent actions, replayable traces, checkpointing, and the escalation paths that keep a human in the loop without keeping them in the way.
Speakers
- SMSofia Marchetti
Founding Engineer · Vantage Labs
- ANAva Nakamura
Staff ML Engineer · Lumen AI