Founding Product Engineer (Full-stack)

About Tacit

We're hiring engineers who want to work at the intersection of AI and the built environment and help make the world's buildings dramatically smarter.

Tacit is a University College London (UCL) spinout turning over a decade of research into commercial reality. We extract fragmented building data (BMS feeds, BIM models, IoT sensors, maintenance logs) and integrate it into a contextual layer that enables explainable AI agents to diagnose, decide, and act.

We're early-stage, well-funded, and already deploying with real clients across heritage, education, and commercial portfolios.

Here's what you'll be doing

This is a product engineering role: you'll own the full stack, from how building data flows in to how it's stored, queried, and surfaced to users and AI agents. You'll make real architectural decisions and work directly with the founders.

• Design and build the core data ingestion and retrieval systems that handle BMS tele...