Senior Full Stack Engineer - React/TS/Node - £80-100K

Senior Full Stack Engineer – React/TypeScript/AWS – £80–100k

We are partnering with a well-funded startup that is building an innovative platform empowering private investors to manage their portfolios.

As an AI-native platform on an exciting growth journey, they are seeking Full Stack Engineers to help shape their architecture as they scale.

The Role

You’ll take ownership across the full stack - from designing APIs and data models to crafting seamless, high-performing user interfaces. Working closely with product and design teams, you’ll help bring to life tools that make investing smarter, more transparent, and more sustainable.

What you’ll bring

• 5+ years of experience building production web applications


• Solid experience with React, TypeScript, and Node.js


• Familiarity with Next.js and GraphQL


• Previous startup experience


• A passion for clean code and intuitive product design


• Interest in fintech's

Nice to Haves

• Comfortable working with tools like Postgres, Prisma, GraphQL, or Next.js


• Hands-on experience with AI or agent frameworks (such as LangChain or LangGraph)


• Experience building something from scratch — whether a side project, startup, or open-source app


• Frontend: React, TypeScript, Next.js

Why Join?

• Opportunity to contribute to a mission-driven product at the intersection of finance and sustainability


• Work within a collaborative, high-performing team where individual input is valued


• Play a key role in an early-stage company where contributions directly influence success
  
• Competitive salary (£80–100k)


• Hybrid working model - 3 days per week in the London office

Senior Full Stack Engineer role - 3 days/week in London - £80-90k