Senior AI Platform Engineer

SENIOR AI PLATFORM ENGINEER £130,000 UK This is an exciting opportunity to join a remote-first SaaS business at a pivotal moment in its evolution. You'll take ownership of building AI-driven platform capabilities, working on agentic workflows and production-grade AI systems that sit at the core of how modern product teams collaborate. The role offers high autonomy, deep technical ownership, and real product impact.

THE COMPANY Our client is a fast-growing SaaS business operating in the product and design tooling space. They build a platform used by product, design and engineering teams to document, scale and govern complex systems more effectively. The business is remote-first, highly product-led, and places a strong emphasis on quality, long-term thinking and ownership. This role has been created as part of a strategic shift towards AI-assisted and agentic workflows, offering the chance to help define how AI is embedded across a mature, widely-used platform.

THE ROLE Own the design and development of an AI-driven platform supporting agentic workflows Build orchestration layers that respond to changes in code, documentation and design tools Develop reliable, production-ready AI features using modern LLM frameworks Work end-to-end across frontend, backend and AI platform layers Collaborate closely with product and design to deliver high-quality, user-focused solutions This role is exciting because it sits at the intersection of AI, product and platform engineering, with the opportunity to shape core capabilities used by teams R SKILLS AND EXPERIENCE Experience building agentic AI systems and orchestration workflows in production Strong knowledge of LLM frameworks, retrieval systems and AI platforms Full-stack development experience across frontend, backend and platform layers Strong React experience and understanding of modern patterns Product-focused mindset with empathy for end users Experience in startup or scale-up environments with long-term ownership Ideally 7 years' experience SALARY AND BENEFITS £95,000 - £130,000 base salary Stock options Pension scheme Fully remote working (UK-based) All-expensed team meet-ups in London several times per year Visa transfer sponsorship available

HOW TO APPLY

Please register your interest by sending your CV to Harry Lack through the 'Apply' link.