Senior Fullstack Engineer (AI)

TL;DR

Senior Fullstack Engineer (AI): Building and shipping customer-facing features across frontend and backend systems for a high-growth AI platform with an accent on scalable APIs and exceptional user experiences. Focus on owning projects from concept to delivery, designing architectural improvements, and scaling the product for enterprise customers.

Location: Hybrid (1 day per week in London, UK)

Salary: £79,000 - £94,000 + Equity

Company

High-growth AI technology company backed by top-tier venture capital with significant commercial traction and enterprise deployments.

What you will do

• Build and ship customer-facing features across both frontend and backend systems.
• Design and develop scalable APIs and backend services.
• Collaborate closely with Product and Design teams to deliver exceptional user experiences.
• Take ownership of technical decisions and architectural improvements.
• Contribute to the growth and evolution of a rapidly scaling AI product.

Requirements

• Strong experience building and maintaining production web applications.
• Expertise with modern frontend frameworks such as React, Vue, or Angular.
• Experience designing and building APIs and backend services.
• Proven ability to own projects from concept through to delivery.
• Must be based in or able to work hybrid (1 day per week) in the London office.

Culture & Benefits

• High level of ownership, autonomy, and direct access to leadership.
• Competitive salary combined with an equity package.
• Opportunity to work on meaningful AI products with real-world impact.
• Hybrid working model for better work-life balance.
• Ambitious, venture-backed environment at an exciting growth stage.