Founding AI Engineer at seed-stage product-led AI startup

Job Title

Founding AI Engineer

Salary

Not Disclosed

Company Description

Seed‑stage product‑led AI startup

Job Description

As the Founding AI Engineer, you will own the end‑to‑end development of production AI systems. Moving beyond prototypes, you will build and scale customer‑facing features within a lean, high‑velocity team. This role offers total ownership of ambiguous product surfaces, requiring a blend of technical depth and product‑centric engineering to drive impact.

Location

London, UK

Why this role is remarkable

• Rare opportunity to join as a founding engineer and shape the technical direction of a seed‑stage venture from the ground up.
• Backed by top‑tier VCs, providing a stable foundation with the agility of a tiny, high‑performance team.
• Direct impact on product strategy, working alongside founders to solve complex problems without the overhead of a large platform team.

What You Will Do

• Design, build, and deploy production‑grade AI systems and LLM‑powered features from scratch.
• Collaborate directly with founders to define product roadmaps and translate customer needs into technical solutions.
• Manage the entire engineering lifecycle, from rapid prototyping to maintaining scalable, customer‑facing infrastructure.

The ideal candidate

• Proven track record of shipping production AI systems in a startup environment or small, high‑growth team.
• High degree of technical autonomy with the ability to own large, ambiguous product surfaces independently.
• Pragmatic approach to engineering, focusing on speed‑to‑market and building robust systems without needing a large supporting cast.

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