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Oliver Bernard

Greater London / Global

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

  • Hybrid

Job Description

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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