Product Engineer

Product AI Engineer

The opportunity

Join an early stage, high growth AI startup building AI agents for some of the world's largest engineering and infrastructure enterprises. This is a rare chance to work directly with the VP Engineering on the core product, with real ownership over what you build and how it's built. If you want to ship fast, solve ambiguous problems, and use AI heavily in how you work, this is built for you.

What you'll be doing

Build and ship product features across React and Node

Develop APIs, data models and integrations that connect the product to customer systems

Build LLM backed features, including prompting and tool use

Contribute to AI powered workflows and agents

Turn ambiguous problems into simple, working solutions, owning your work from design through to production

Find and fix problems without waiting to be asked

What we're looking for

3+ years' software engineering experience

Strong TypeScript. This one is non negotiable

A track record of shipping real products across frontend and backend

Hands on experience with LLMs, agents or AI APIs

Exceptional diligence and attention to detail, with high agency and strong ownership

Bonus points if you have

Startup experience

Comfort operating in a fast moving, high performance team where feedback is direct and frequent

What's on offer

£80k to £90k base salary

Direct exposure to and mentorship from the VP Engineering

Real ownership over meaningful parts of the product

The chance to shape both product and technical decisions as the company grows

Office first role, based in central London - 1 day remote

How to apply

Interested? Reach out to the Numi team or apply directly, we'd love to hear from you.