JavaScript Engineer

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)
• REST API development
• 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
• Unlimited Annual Leave
• 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)