Senior Full Stack Engineer – React/TypeScript/AWS – £80–90k
We are partnering with a well-funded startup that is building an innovative platform empowering private investors to manage their portfolios not only for financial performance but also for sustainability and ESG impact.
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, investing, or ESG innovation
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 (£80–90k)
* Hybrid working model — 3 days per week in the Cannon Street office
Senior Full Stack Engineer role - 3 days (Cannon Street) - £80-90k
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