Founding Full-Stack Engineer: Real-Time AI Platform Builder

Jack & Jill/External ATS; Greater London; On-site; GBP 50,000 - 70,000; Full time

Job summary

A high-growth AI startup in London is searching for a Founding Full Stack Engineer to build and own the core product on a cutting-edge real-time platform. This role will involve developing agentic AI workflows and maintaining a sophisticated full-stack architecture. Ideal candidates are early-career builders with proficiency in TypeScript, Node.js, and Python. This opportunity offers a chance to shape a scalable AI-driven product while working within a dynamic, well-funded environment.

Benefits

Work with top-tier VCs

High growth potential

Supportive team environment

Qualifications

• Up to ~2 years of experience with shipping complex side projects.
• Strong proficiency in TypeScript, Node.js, and Python.
• Interest in building real-time products and agentic AI technologies.

Responsibilities

• Build and maintain core product features end-to-end using Node.js, TypeScript, and Convex.
• Develop and optimize agentic AI workflows using Python.
• Collaborate on infrastructure for deployments and CI/CD.

Skills

TypeScript

Node.js

Python

Proactive problem-solving

Education

Strong academic background

Job description

A high-growth AI startup in London is searching for a Founding Full Stack Engineer to build and own the core product on a cutting-edge real-time platform. This role will involve developing agentic AI workflows and maintaining a sophisticated full-stack architecture. Ideal candidates are early-career builders with proficiency in TypeScript, Node.js, and Python. This opportunity offers a chance to shape a scalable AI-driven product while working within a dynamic, well-funded environment.