Fullstack Engineer (AI)

TL;DR

Fullstack Engineer (AI/B2B SaaS): Leading the development of a flagship AI product for enterprise organizations with an accent on end-to-end ownership across the full stack and production-quality code. Focus on driving key architecture decisions, building robust APIs, and collaborating with Product and Design teams to scale AI adoption.

Location: Hybrid (London, UK) - 1 day a week in the office

Salary: up to £95,000

Company

A high-growth AI start-up focused on helping enterprise organizations adopt AI at scale.

What you will do

• Lead the end-to-end development and ownership of the flagship AI product.
• Write production-quality code across the entire application stack.
• Drive and implement key architectural decisions.
• Collaborate closely with Product, Design, and GTM teams to shape and improve the product.
• Contribute to both the technical implementation and the overall product strategy.

Requirements

• Must be based in the London area and able to work from the office 1 day a week.
• Professional background in B2B SaaS or AI-native organizations.
• Strong command of JavaScript, TypeScript, or Vue.
• Proficiency in Python or Java.
• Proven track record of building APIs, backend services, and data-driven features.
• Comfort operating in fast-moving, ambiguous environments.

Culture & Benefits

• Equity ownership in a high-growth AI startup.
• Company pension scheme.
• Insurance coverage.
• High-impact role with significant technical and strategic influence.