Founding AI Engineer | Early Stage AI Start-Up | London

Oho Group; Greater London; On-site; GBP 90,000 - 150,000; Full time

Benefits offered by this job

Equity

Competitive salary

Benefits

Job summary

OHO Group in London is seeking a Founding AI Engineer to join a well-funded, early‑stage AI start-up. You will work directly with the founders to design, build, and deploy LLM-powered systems that shape the product and the company.

You are an engineer with 1–5 years of hands-on experience in AI, proficient in Python, and capable of taking ownership in a fast-paced environment. This is a founding role with significant technical and product influence and equity.

Qualifications

• 1–5 years of professional software engineering experience.
• Hands-on experience building AI systems from scratch and deploying LLMs.
• Proficiency in Python.
• Academic excellence in CS/AI/ML from a top university.
• Experience as an early employee at a startup.

Responsibilities

• Design, build and deploy LLM-powered systems that shape the product.
• Work directly with founders to set technical and product direction.
• Own core technology in a fast-paced startup environment.

Skills

Python

LLM deployment

Software fundamentals

AI systems

Prototyping

Education

BSc/MSc/PhD in CS/AI/ML

Job description

Founding AI Engineer | Early Stage AI Start-Up | London

Founding AI Engineer required to join an extremely well funded, rapidly growing early-stage AI start-up with a world class founding team using AI to solve a real world problem. You’ll be one of the first technical hires, working directly with the founders to design, build, and deploy LLM-powered systems that meaningfully shape the product and the company.

You are:

• 1-5 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 thrive in fast paced environments
• Experience as an early employee at a start-up
• Experience working closely with product or founders
• Extremely competitive salary, meaningful equity, and benefits
• A 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 the technology and culture from the ground up

Looking to join early, play a key role, and build AI systems that solve real-world problems? Let’s chat.

Founding AI Engineer | Early Stage AI Start-Up | London