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.
This job is no longer actively hiring. Open Roles to see active jobs.
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
Company
Black Bull Biochar
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
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.