Permanent

Mid Fullstack Engineer

Posted by La Fosse Associates • London, England, United Kingdom

📍 London, England 🕒 January 25, 2026

About the Role

Mid-Level Full Stack Engineer | £60k – £70k per annum | Hybrid (2 days per week in office – London or Bristol)


A tech-first sustainability company is looking to add a mid-level Full Stack Engineer to its high-performing engineering team. You will be joining a small, highly skilled team working on modern, scalable software that’s helping to redefine the heat pump and clean energy space. This is a hands-on role where you’ll contribute across the stack, building new features and improving existing systems in a fast-moving, product-led environment.


The team operates with strong engineering principles, values clean code and collaboration, and offers engineers real ownership over their work. You’ll be comfortable working in an agile environment and collaborating closely with other engineers, product, and design.

Essential Skills

  • JavaScript & TypeScript

  • React

  • Node.js

  • Experience building and consuming APIs

  • St...
  • Ready to Apply?

    Submit your application today and take the next step in your career journey with La Fosse Associates.

    Apply Now