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Fullstack Engineer

London, UK💼 Full-time💰 $120,000–$120,000🗓 2026-05-27 → 2026-07-31

Core

Building and scaling the Lightning AI platform (frontend, CLI, APIs, backend) to support real-world machine learning workloads for researchers, startups, and enterprises.

Role type

Senior Fullstack Engineer (SaaS)

Builds

End-to-end features for the Lightning AI platform (PyTorch Lightning ecosystem)

Domain

AI/ML Infrastructure, SaaS

Deliverable

production ML models | product features

Required skills

React, Go (Golang) or Python, software engineering principles, fullstack development, system design, technical architecture, automation, continuous delivery

Preferred skills

Go (Golang) over Python, experience in high uncertainty environments

Technologies

React, Go (Golang), Python

Responsibilities

Write readable/testable/efficient code in React and Go/Python; Build deep expertise in the technology stack to deliver new features; Partner with leaders to set technical direction for large projects; Evaluate and document technical architecture; Maintain software quality and reduce technical debt; Mentor and coach engineers on system design

Seniority

Senior, hands-on IC with mentorship responsibilities

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