AI Engineer

Rerooters Limited t/a Certus Recruitment
Milton, Cambridgeshire, Cambridgeshire, United Kingdom
Last month
£70,000 – £100,000 pa
Applications closed

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PhysicsX London, United Kingdom

Salary

£70,000 – £100,000 pa

Job Type
Permanent
Work Pattern
Full-time
Work Location
On-site
Seniority
Mid
Education
Degree
Posted
14 Apr 2026 (Last month)

Benefits

Great Benefits

AI EngineerCambridge |

£70-100k + Great Benefits

A high-growth AI startup is looking for an AI Engineer to help build and scale a next-generation platform transforming how businesses operate.

This is a rare opportunity to join at ground level and shape not just the product, but the engineering culture, architecture, and long-term direction of the business. If you enjoy building from scratch, solving real-world problems, and working with cutting-edge AI, this role offers genuine ownership and impact.

The Role

You’ll play a central role in designing, building, and shipping core product features across the stack, working closely with customers and the founding team to deliver meaningful outcomes.

* Build and ship core features across Python, TypeScript, and cloud infrastructure

* Develop event-driven systems and integrate with third-party platforms

* Work directly with customers to understand requirements and translate them into scalable solutions

* Own delivery end-to-end, from concept through to deployment

* Balance speed and scalability—knowing when to move fast and when to build for the long term

* Champion engineering best practices across testing, documentation, security, and reliability

Requirements

* Strong hands-on experience in software engineering (Python and/or TypeScript preferred)

* Experience building and scaling production systems

* Comfortable working in fast-paced, early-stage environments

* Strong problem-solving skills with a pragmatic, delivery-focused mindset

* Experience with cloud infrastructure and modern architectures (event-driven, APIs, integrations)

* Ability to work closely with non-technical stakeholders and customers

The Opportunity

* £70-100k base salary

* Build and share in the success

* Engineer role with real ownership and influence

* Work on cutting-edge AI technology

* Join a fast-moving, ambitious team at an early and exciting stage

Certus Recruitment Group is a specialist consultancy providing sales, marketing, and technology recruitment services across the UK, Europe, North America, and Australia.

If you’re looking to build something from the ground up and make a genuine impact, we’d love to hear from you

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