Product Engineer (Engineering Team)

Electric Twin | London, UK | Full-time | Hybrid (4 days/week in office) Electric Twin builds science-based synthetic populations — LLM-driven AI agents that simulate human behaviour, so companies and governments can test ideas and explore uncertainty before they commit. We've just entered a major growth phase: new funding, a growing customer base, and a platform still taking shape. We're hiring across engineering and science: Research Engineer (Science Team) — Pioneer the application of LLMs to model human behaviour: design cognitive and LLM-based architectures, figure out how to evaluate agent behaviour in ambiguous scenarios, and build experimental methods to validate simulations. MS/PhD or equivalent practical experience; strong Python and ML frameworks; rigorous scientific mindset. Feel free to DM: yoanna.peneva@electrictwin.com Product Engineer (Engineering Team) — Own problems end-to-end where behaviour, prediction, and UX meet. React, Next.js, Python, FastAPI, SQL, GCP. Your choice of Claude, Cursor, or Codex. Multiple roles across all levels. Feel free to DM: harry.smith@electrictwin.com Small, senior team. Benefits include pension matching (4–8%), £1,000 annual L&D budget, Cycle to Work, and the kit you need. Apply: https://jobs.lever.co/electric-twin