Cambridge | £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