Senior AI Platform Engineer

Salary: £95,000 - 130,000 per year

Requirements

• 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

Responsibilities

• Own the design and development of our 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

Technologies

• AI
• Backend
• Embedded
• Frontend
• LLM
• React

More

We are a fast-growing, remote-first SaaS business in the product and design tooling space. Our platform is used by product, design and engineering teams to document, scale and govern complex systems more effectively. We are highly product-led and place 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, giving you the chance to help define how AI is embedded across a mature, widely used platform. We offer a salary of £95,000 to £130,000, stock options, a pension scheme, fully remote working in the UK, all-expensed team meet-ups in London several times per year, and visa transfer sponsorship is available.

last updated 24 week of 2026