Senior Backend Architect for AI Infra (Remote UK/EU)

Connect-AI; United Kingdom; Remote; GBP 108,000 - 132,000; Full time

Benefits offered by this job

Competitive salary

Meaningful equity

35 days holiday

Remote-first culture

Direct collaboration with founders

High ownership and real impact

Job summary

A pioneering AI startup in the United Kingdom is looking for a Senior Backend Engineer to build robust backend systems for AI-powered applications. This role involves designing APIs, managing backend services, and making decisions in a remote-first environment. The ideal candidate has deep knowledge of Node.js and TypeScript and experience in scaling backend systems. Join us for a competitive salary, equity, and the chance to shape backend architecture from the ground up.

Qualifications

• Strong experience building and scaling backend systems in production.
• Deep knowledge of Node.js and TypeScript.

Responsibilities

• Designing and building production-grade APIs used by external developers.
• Owning backend services that support AI agents and large data workflows.
• Handling async processing, queues, caching, and traffic spikes.
• Building systems that process complex or heavy data payloads.
• Collaborating closely with Product & Design in a small, high-autonomy team.
• Making pragmatic architectural decisions in a fast-moving environment.

Skills

Building and scaling backend systems

Node.js

TypeScript

Strong communication skills

Job description

A pioneering AI startup in the United Kingdom is looking for a Senior Backend Engineer to build robust backend systems for AI-powered applications. This role involves designing APIs, managing backend services, and making decisions in a remote-first environment. The ideal candidate has deep knowledge of Node.js and TypeScript and experience in scaling backend systems. Join us for a competitive salary, equity, and the chance to shape backend architecture from the ground up.