JavaScript Engineer

JR United Kingdom; Slough; Hybrid; GBP 110,000; Full time

Job summary

A leading climate tech company in the UK is looking for a Senior Full Stack Engineer to join their team. With a focus on transforming carbon markets through advanced technology, this role offers a high salary and rewarding benefits, including equity and health coverage. You'll play a key part in building impactful digital tools that drive climate action at scale.

Benefits

Equity

Private Health Insurance

Life Assurance

Monthly Deliveroo Budget

Catered Office Lunches

Monthly Bar Tab

Weekly Office Drinks

Qualifications

• Experience with TypeScript & Node.js.
• Strong modern frontend experience (React preferred).
• Experience in start-up or scale-up environments.

Responsibilities

• Shape the architecture and infrastructure of the core platform.
• Automate complex workflows and build production-grade APIs.
• Integrate with external systems.

Skills

TypeScript

Node.js

React

Product led mindset

Start-up experience

Passion for technology impact

Job description

Social network you want to login/join with:

Senior Full Stack Engineer | £110,000 | TypeScript | React | Hybrid (1 day a week in Old Street)

Fresh off the back of $96M in VC funding, My client are scaling rapidly and working with top-tier partners to transform carbon markets through data, science, and powerful digital tools.

They are an industry-leading climate tech company on a mission to drive real, measurable environmental impact. As a Senior Full Stack Engineer, you’ll help shape the architecture and infrastructure of their core platform—automating complex workflows, integrating with external systems, and building production-grade APIs and data solutions that drive climate action at scale.

I’m looking to speak to people with experience working with:

• TypeScript & Node.js
• React (or strong modern frontend experience)
• Start-up or Scale-up experience
• A strong product led mindset
• A passion for making a meaningful impact through technology

What’s in it for you?

• Equity
• Private Health Insurance & Life Assurance
• Monthly Deliveroo Budget + Catered Office Lunches
• Monthly Bar Tab & Weekly Office Drinks

The Interview process is typically completed in 2 weeks and is as follows:

• HM Call – FS Lead (Rob) / EM (Serge)
• Coding Interview
• System Design Interview
• F2F Final Interview (multiple stakeholders)

Fancy finding out more? Click APPLY, and I (Sam Barcia) will be in touch to discuss further!

Senior Full Stack Engineer | £110,000 | TypeScript | React | Hybrid (1 day a week in Old Street)