Senior Full Stack Engineer

Senior Full Stack Engineer | Incubator for AI (i.AI)

Want to build AI products that improve public services used by millions?

At i.AI, we're building AI products inside the UK Government that are transforming public services across health, education, planning and Parliament.

We're looking for Senior Full Stack Engineers to join small, cross-functional teams and help take products from early discovery through to services running at scale. You'll work closely with product managers, designers and researchers to understand complex problems, shape technical solutions and deliver software that creates real impact.

This is a hands-on engineering role with significant ownership. You'll contribute across the stack, help shape technical direction, mentor other engineers, and work on everything from infrastructure and APIs to user-facing products and AI integrations.

Our stack: Python (Django, FastAPI), TypeScript, React, Astro, Svelte, PostgreSQL, AWS, Terraform, and frontier AI models through providers such as Amazon Bedrock.

What makes this role different?

Build AI products that can improve services used by millions of people

Work in small, empowered teams with genuine ownership and autonomy

Access frontier AI models and significant compute resources

Collaborate with experts across AI, policy, national security and science

Help shape products from discovery through to deployment at scale

Join a mission-driven team solving complex, meaningful problems

Salary: £64,450 - £88,670 + 28.97% pension contribution

📍 London, Manchester or Bristol (Hybrid)

📅 Applications close 31 August

You don't need to meet every requirement to apply. If you're excited by the opportunity to build impactful AI products in a fast-moving environment, we'd love to hear from you.

Appointment is conditional on successfully completing UK Government SC clearance. Prior clearance is not required - we will sponsor and support you.