Spencer Presley · Software engineer
I build evidence-grounded agents, local-first inference, retrieval systems, and the backend infrastructure that keeps them reliable.
Current work · 2025–
I build the AI and backend infrastructure behind AtlasCyber: evidence-grounded agents, governed local inference, durable work orchestration, and isolated execution across cloud, on-prem, and air-gapped environments.
Local retrieval engine
A hybrid search engine that returns a source document's actual passages—with citations—instead of generating a paraphrase.
Systems debugging
A reproducible investigation of one pre-fork initialization bug that deadlocks on Linux and crashes on macOS.
Get in touch
LinkedIn gives me enough context for a useful first conversation.