Want to lead the transformation of an established SaaS business entering a major growth and investment phase?You''ll join a long-established UK-based SaaS company with a loyal customer base, strong recurring revenue, and fresh investment to help them modernise and scale.We are looking for a technology leader to help modernise engineering, drive AI innovation, and shape the future of the platform.The role will suit either; an experienced CTO looking for a high-impact transformation role, or a Head of Engineering ready to take the step into their first CTO position.Open source development knowledge is key but you ll also inherit a knowledgeable engineering team and play a key role in transforming a legacy software environment into a modern SaaS engineering function. What you ll be doing Defining technology and engineering strategy Leading Agile and DevOps transformation Supporting cloud migration towards AWS Driving AI capability across products and engineering Modernising tooling, processes, and architecture Leading and mentoring engineering teams Working closely with the senior leadership and investors What we re looking for Strong software engineering background Experience leading technical teams in SaaS or software businesses Ability to modernise engineering functions and delivery practices Strong architectural understanding Commercial awareness and stakeholder management skills Experience with AI, DevOps, or cloud modernisation highly beneficial The role is based in Re