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

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

Job summary

A green tech start-up is seeking Mid & Senior Full Stack Engineers to join their talented team. The role focuses on developing innovative tools that accelerate the energy transition and requires strong expertise in React, Node.js, and TypeScript. Candidates should be product-minded, impact-driven, and enthusiastic about sustainable technologies. Offering competitive salary, healthy equity, and an opportunity to work with a mission-led team.

Benefits

33 days holiday

Work abroad up to 30 days/year

Qualifications

• 5 years commercial experience required.
• Experience with SQL and relational database design.
• Strong understanding of RESTful APIs and distributed systems.

Responsibilities

• Own features end-to-end, from shaping product idea to shipping code.
• Work on tools for energy transition including automated design tools.
• Collaborate closely with a tight-knit, in-person team.

Skills

SQL

RESTful APIs

Scalable architectures

Secure architectures

Product-minded

Collaborative

Sustainable tech

Impact-driven

Tools

React

Node.js

TypeScript

PostGREST

Prisma

Tailwind

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! ?