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Green Tech / Energy Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £100K + Healthy Equity

Green Tech / Energy Tech Start-Up | Full Stack Engineer | LDN 2 Days Per Week | £50K - £100K + Healthy Equity

Hybrid

London, United kingdom

Junior

Full Time

07-09-2025

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Skills

Python TypeScript SQL PostgreSQL Docker react node.js tailwind FastAPI

Job Specifications

Carbon Emission/Green Tech Start-up | Full Stack Engineer | LDN 2 Days Per Week | PS50K - PS100K + 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 | Full Stack Engineer | LDN 2 Days Per Week | PS50K - PS100K + Healthy Equity

-> 2 - 4 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 | Full Stack Engineer | LDN 2 Days Per Week | PS50K - PS100K + 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

-> PS50,000 - PS100,000 + 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 | Full Stack Engineer | LDN 2 Days Per Week | PS50K - PS100K + Healthy Equity please apply ASAP with a CV and we will give you a call if we think you are a match!

About the Company

Hey, we are Owen Thomas. We are a relationship first recruitment partner for Data, Product & Engineering, across Contract and Permanent roles in the UK & Europe. Humanness matters. We believe that empathy is the core of great recruitment; bringing opportunity and businesses to life, beyond what a person can see on a website. All done with our OT personal touch. Our mission: To be leaders within our specialisms and create unrivalled opportunities both internally and externally. We balance purpose and profit. Actively in... Know more