Lead Software Engineer

Oliver Bernard; United States; Remote; GBP 90,000 - 100,000; Full time

Benefits offered by this job

Competitive salary

Mission-driven work

Collaborative team environment

Job summary

A dynamic startup is seeking a Lead Software Engineer to contribute to an innovative fintech platform focused on sustainability and ESG. This fully remote role offers a competitive salary between £90,000 and £100,000. The ideal candidate will have 6+ years of experience in software development, particularly with React and TypeScript. You will collaborate with cross-functional teams to deliver seamless user experiences. This position provides an exciting opportunity to shape the future of finance and make a tangible impact.

Qualifications

• 6+ years of experience building production web applications.
• At least 2 years as a tech lead or in a staff role.
• Previous startup experience is preferred.

Responsibilities

• Design APIs and data models.
• Craft high-performing user interfaces.
• Work with product and design teams.

Skills

React

TypeScript

Node.js

GraphQL

Next.js

Clean code

Tools

Postgres

Prisma

Job description

Associate Consultant | Specialist in growing Software Engineering teams.

Lead Software Engineer – React/TypeScript/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.

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.

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