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

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