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

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

Job summary

A leading Green Tech/Energy Tech start-up seeks Mid & Senior Full Stack Engineers in Southampton. Ideal candidates are product-minded, impact-driven, and passionate about sustainable tech. Join a talented team working on innovative solutions like automated design tools for energy efficiency. Enjoy hybrid work opportunities with a strong emphasis on collaboration and meaningful impact on the climate crisis.

Benefits

33 days holiday

Work abroad up to 30 days/year

Collaborative work environment

Qualifications

• 5 years commercial experience required.
• Experience with SQL and database design.
• Familiarity with distributed systems and architecture.

Responsibilities

• Develop tools for energy transition like automated design tools.
• Collaborate closely with a tight-knit team.
• Own features from product ideation to code shipping.

Skills

SQL

RESTful APIs

Scalable architectures

Secure architectures

Feature ownership

Tools

React.js

Node.js

TypeScript

PostGREST

Prisma

Tailwind

Python

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, southampton

Client:

Location:

southampton, United Kingdom

Job Category:

Other

Online job hunting tools

-

EU work permit required:

Yes

Job Views:

2

Posted:

04.06.2025

Expiry Date:

19.07.2025

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

Online job hunting tools

-> 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! ?

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Created on 04/06/2025 by JR United Kingdom