Lead Software Engineer

Associate Consultant | Specialist in growing Software Engineering teams.

Lead Software Engineer – React/Type Script/AWS – £90-100k

We are partnering with a well‑founded 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.

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.

• 6+ years of experience building production web applications and at least 2 years in a tech lead or staff role.
• Solid experience with React, Type Script, and Node.js.
• Familiarity with Next.js and Graph
  
  QL.
• Previous startup experience.
• A passion for clean code and intuitive product design.
• Interest in fintech, investing, or ESG innovation.

• Comfortable working with tools like Postgres, Prisma, Graph
  
  QL, or Next.js.
• Hands‑on experience with AI or agent frameworks (such as Lang Chain or Lang Graph).
• Experience building something from scratch — whether a side project, startup, or open‑source app.
• Frontend: React, Type Script, Next.js.

• 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.

Lead Software Engineer – Fully Remote – £90‑100k