Open to AI-native product roles
Nico Mastakas
AI-native product engineer — I ship LLM features 0-to-1.
Six-plus years shipping full products solo — frontend, backend, infra, the lot. Now I build AI-native products end to end: from prompt design and eval harnesses to the production app around them.
Selected work
04 projectssesettle
AI bill review with a human in the loop
Claude vision extracts and reconciles every line item before a human signs off.
69tests — 55 unit · 14 e2e
Next.jsTypeScriptClaude API
hrhiring-radar
Hybrid search that doubles recall
Lexical + vector ranking surfaces strong candidates that pure semantic search misses.
0.52recall@10 vs 0.28 semantic
pgvectorRAGNext.js
dndaily-news
RAG inside a production mobile app
Local embeddings + Groq deliver fast, cited answers from within the app.
Citedanswers · local embeddings + Groq
FlutterFirebaseRAG
AIwriteup · IOHK
My Claude Code workflow
How I orchestrate agents and MCP tooling to ship production code at IOHK.
7 agents4 MCP servers at IOHK
Claude CodeMCP