Skip to main content
Back to all jobs

This job is no longer actively hiring. Open Roles to see active jobs.

Black Bull Biochar

Black Bull Biochar

Job listing

London, United Kingdom£55K - £65K

Full Stack Developer at Black Bull Biochar - fast-growing UK climate-tech startup

Are you a Full Stack Developer ready to use your skills for the planet? Black Bull Biochar is looking for a technical lead to own their green-tech platform in London. You'll build the systems that track carbon removal and help farmers scale sustainable agriculture across the UK. With high autonomy, a £55k-£65k salary, and the chance to shape a growing startup’s technical foundation, this is a unique opportunity to turn your code into real-world climate impact. If you're a React and Node expert with a passion for innovation, join this mission-driven team today!

Overview

Role overview

Join a mission-driven team as the primary developer taking ownership of a digital platform that scales biochar adoption. You will evolve internal systems into scalable products, managing everything from real-time logistics tracking to farmer-facing web applications. This role combines technical leadership with hands-on development to drive tangible environmental impact through sophisticated carbon credit reporting.

Company

Black Bull Biochar

Black Bull Biochar

Manufacturing9–10+ employees

Black Bull Biochar - fast-growing UK climate-tech startup scaling carbon removal solutions.

Responsibilities

What you will do

  • Lead the end-to-end development of React and Node.js web applications, ensuring high performance and security across the digital platform.
  • Collaborate with the Innovation Manager to design data models and prototype new features that optimize carbon credit reporting and logistics.
  • Implement robust CI/CD pipelines and testing processes to maintain high code quality while utilizing AI-assisted development tools like Cursor.

Candidate profile

Who this is a fit for

  • Has 3+ years of professional experience in full-stack development, with deep proficiency in React, Node.js, and MongoDB.
  • Demonstrates a strong product sense with the ability to design UIs in Figma and translate them into maintainable, accessible code.
  • Possesses excellent communication skills to discuss technical trade-offs with non-technical stakeholders and manage rapid development cycles effectively.

What makes it remarkable

Why this role is remarkable

  • Take full technical ownership of a green-tech platform, moving from internal tools to a scalable product ecosystem serving partners nationwide.
  • Work at the cutting edge of sustainability by building software that directly facilitates carbon removal and improves soil health for UK farmers.
  • Enjoy high autonomy in a fast-paced startup environment where you shape the technical foundation and influence long-term product strategy.

Jack & Jill

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.

Meet Jack

Thumbnail for Meet Jack

Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.

How does this work?

Jack's an AI agent for job searching and career coaching. He works for you.

Jill is the AI recruiter working for the company. She recruits from Jack's network.

If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

Find a job withJack

Ready to find your next role?

Talk to Jack for 10 minutes and see your first matches.