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)