Direct message the job poster from Oliver Bernard
Lead Software Engineer – React/TypeScript/AWS – £90-100k
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 a lead engineer 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
* 6+ years of experience building production web applications and at least 2 years in a tech lead or staff role.
* 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 (£90‑100k)
* Fully remote role
Seniority level
Mid‑Senior level
Employment type
Full‑time
Job function
Information Technology
Industries
Financial Services, Software Development, IT Services and IT Consulting
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