Mid & Senior Full Stack Engineers | Green Tech / Energy Tech Start-Up | React.js Node.js TypeSc[...]

JR United Kingdom; Cambridge; Hybrid; GBP 50,000 - 95,000; Full time

Job summary

A green tech start-up based in England is seeking mid and senior full stack engineers to join their mission-driven team. You will work on impactful projects that drive the energy transition using technologies like React.js and Node.js. The role offers competitive salary and equity, with a hybrid working model between London and Bristol. Ideal candidates should bring significant experience, a passion for sustainable tech, and a collaborative spirit.

Benefits

33 days holiday

Work abroad up to 30 days/year

Healthy Equity

Qualifications

• 5 years commercial experience required.
• Experience in SQL and relational database design necessary.
• Must be able to work with scalable and secure architectures.

Responsibilities

• Develop tools that support the energy transition and integrate with hardware.
• Own features from product idea conception to code shipping.
• Collaborate closely with a mission-driven team.

Skills

SQL

RESTful APIs

Distributed systems

Scalable architectures

Secure architectures

Tools

React.js

Node.js

TypeScript

PostGREST

Prisma

Job description

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Job Views:

2

Posted:

04.06.2025

Expiry Date:

19.07.2025

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Job Description:

Mid & Senior Full Stack Engineers | Green Tech / Energy Tech Start-Up | React.js Node.js TypeScript | LDN 2 Days Per Week | £50K - £95K + Healthy Equity

Company:

I'm looking for mid and senior full stack engineers who are excited about elegant systems as they are about real-world impact. 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

-> D/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

-> React, TypeScript, Konva, Tailwind

-> Node.js, PostGREST, Prisma

-> (Sunsetting Python + FastAPI)

Requirements for Mid & Senior Full Stack Engineers | Green Tech / Energy Tech Start-Up | React.js Node.js TypeScript | LDN 2 Days Per Week | £50K - £95K + Healthy Equity

-> 5 years commercial experience

-> 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 Mid & Senior Full Stack Engineers | Green Tech / Energy Tech Start-Up | React.js Node.js TypeScript | LDN 2 Days Per Week | £50K - £95K + 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.

-> 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 Mid & Senior Full Stack Engineers | Green Tech / Energy Tech Start-Up | React.js Node.js TypeScript | LDN 2 Days Per Week | £50K - £95K + Healthy Equity please apply ASAP with a CV and we will give you a call if we think you are a match! ?