Green Tech / Energy Tech Start-Up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity

Owen Thomas | Pending B Corp™ is looking for a Green Tech / Energy Tech Start-Up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity

Job description

Carbon Emission/Green Tech Start-up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity



Company:

I'm looking for Full Stack Engineers who are excited about elegant systems as they are about real-world impact. Their mission is to reduce carbon emissions in the UK building a razor sharp platform for heat pumps to be installed in homes up and down the Country.


You'll join a lean, talented team of engineers and work directly on tools that accelerate the energy transition — like:


-> Automated design tools for heat pump systems

-> A survey app for collecting property data on-site

-> 2D/3D floorplan creators (maybe even with LiDAR and CV!)

-> Country-wide data tools through large-scale scraping + mapping

-> Hardware integrations (e.g. Bluetooth laser measures, sensors)

-> Offline-first/PWA apps for installers on the move


Tech Stack:

-> React, TypeScript, Konva, Tailwind

-> Node.js, PostGREST, Prisma

-> PostgreSQL / PostGIS, Docker, Atlas

-> (Sunsetting Python + FastAPI)



Requirements for Carbon Emission/Green Tech Start-up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity


-> 2+ years commercial experience

-> STEM Background

-> React + TypeScript (you’re confident building fast, dynamic UIs)

-> SQL and relational database design

-> RESTful APIs and distributed systems

-> Scalable and secure architectures

-> Owning features end-to-end, from shaping the product idea to shipping the code.



Type of engineer for Carbon Emission/Green Tech Start-Up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity


->You’re product-minded — you care about the user and the why behind every line of code.

->You’re impact-driven — you want to move fast and make a real dent in the climate crisis.

->You’re collaborative — you're excited to work closely with a tight-knit, in-person team.

->You’re into sustainable tech, heat pumps, or building a greener future.



Remuneration & Benefits


-> £50,000 - £120,000 + meaningful equity

-> 33 days holiday + work abroad up to 30 days/year

-> Hybrid working between London & Bristol studios

-> Work closely with a brilliant, mission-led team



If you want to hear more about the Carbon Emission/Green Tech Start-up | Lead & Full Stack Engineer | LDN 2 Days Per Week | £50K - £120K + Healthy Equity please apply ASAP with a CV and we will give you a call if we think you are a match!

Extra information

Status
Open
Education Level
Secondary School
Location
City of London
Type of Contract
Full-time jobs
Published at
02-02-2026
Full UK/EU driving license preferred
No
Car Preferred
No
Must be eligible to work in the EU
No
Cover Letter Required
No
Languages
English

Full-time jobs | Secondary School

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