Forward-Deployed Engineer · NYC — I embed where the problem is, ship the production code that solves it, and prove it works with evals.
Brooklyn, NY · evanjcosgrove@gmail.com
Shipped agents into production? Mindara, the AI event-planning platform I co-founded with Justin Casso: 1,700+ commits, 250+ DAU, Claude API in production, Django + Expo/React Native on GCP/Terraform.
Post-sales implementation? Google: $25M+ incremental growth on a $90M+ Ads portfolio, working hands-on with agency and client engineering teams on API integration and data-flow debugging.
The pattern I can't turn off: when a tool I depend on falls short, I build the better version. A 1M-token context regression in Claude Desktop sat open for a month, so I diagnosed and patched it. Every AI coding surface kept forgetting what the others knew, so I built cross-tool memory. My Toast territory needed prospect intelligence that didn't exist, so I built it as a Retail AE — not an engineer.
| Repo | What it proves |
|---|---|
| claude-cowork-1m-patch | Diagnosed and resolved a month-old open community regression in 48h: Electron .asar byte-patching, integrity-chain rebuild, macOS re-signing |
| fde-case-studies | The production work that lives in private repos: Mindara, a legacy-to-Symfony-7 CRM modernization (consulting engagement), the Toast retail prospecting copilot, cross-tool agent memory |
mirrorloop — a self-validating dev team for Claude Code: frontend agents check their work against a live iOS simulator, backend agents check the APIs, and an eval harness scores the whole loop.
day-one — an enterprise onboarding copilot: an agent team that reads an API's docs and sandbox, then produces a working, tested integration with a correctness report.
Both land here when they meet their definitions of done.
Python (Django, FastAPI) · TypeScript (React, React Native, Bun) · LLM systems (Claude/OpenAI/Gemini APIs, MCP, agent teams, eval harnesses, pgvector/ChromaDB) · GCP + Terraform + Docker + GitHub Actions
Nine years of enterprise experience: Google (Ads API work with agency and client engineering teams), Toast (retail POS, Brooklyn), Remesh ($945K+ enterprise SaaS ARR with McKinsey, BCG, and Accenture), and Jet.com/Walmart eCommerce ($32M P&L). I speak fluent stakeholder.