Founding AI Engineer | Early Stage AI Start-Up

Founding AI Engineer – Early Stage AI Start‑Up (London)

We are seeking a Founding AI Engineer to join an extremely well‑funded, rapidly growing early‑stage AI start‑up with a world‑class founding team. You will be one of the first technical hires, working directly with the founders to design, build, and deploy LLM‑powered systems that shape the product and the company.

Responsibilities

• Design, build, and deploy LLM‑powered AI systems that shape product and company.
• Collaborate closely with the founding team to define technical vision and architecture.

Qualifications

• 2‑6 years of professional experience with strong software engineering fundamentals.
• Proven hands‑on experience building AI systems from scratch and deploying LLMs in production.
• Proficiency in Python.
• Academic excellence: BSc, MSc or PhD in Computer Science, AI, Machine Learning, or related STEM field from a top university.
• Comfortable in chaos and thrives in fast‑paced environments.
• Bonus points: Experience as an early employee at a start‑up.
• Experience working closely with product or founders.

Why Join?

• Extremely competitive salary, meaningful equity, and benefits.
• Genuine founding role with significant technical and product ownership.
• Close collaboration with experienced, second‑time founders who deeply understand the problem space.
• Strong financial backing from top‑tier investors.
• The chance to help shape both technology and culture from the ground up.

If you are looking to join early, play a key role, and build AI systems that solve real‑world problems, let’s chat.

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