Lead AI Engineer | Python | LLMs | Agentic AI | Hybrid (Barcelona)
Velocity Tech has partnered with an innovative, venture‑backed AI startup that is transforming a highly regulated industry through the application of cutting‑edge artificial intelligence.
We’re looking for a Lead AI Engineer to take ownership of the company’s AI strategy while remaining hands‑on in the design, development, and deployment of production‑grade AI systems. This is an opportunity to join a small, high‑calibre engineering team where you’ll have a direct influence on both the technical direction and future of the product.
Design robust evaluation, testing and feedback loops to continually improve AI performance.




Work closely with founders and senior leadership to define the company’s AI strategy and technical roadmap.
Research, evaluate and implement the latest advancements across AI and machine learning technologies.
Strong commercial experience building backend applications in Python .
Solid machine learning and NLP fundamentals.
Python
FastAPI
Vector Databases
Docker
Shape the AI strategy from an early stage and have a direct influence on product direction.
Hybrid working (Barcelona) with an opportunity to make a real impact from day one.
Candidates must already have the right to work in the EU, as visa sponsorship is not available for this position.

📌 Tech Lead Backend, hibrido (Barcelona)
🏢 Velocity Tech
📍 Barcelona