Senior Full Stack Engineer — Fintech, Hybrid London

Oliver Bernard; Greater London; Hybrid; GBP 80,000 - 100,000; Full time

Job summary

Oliver Bernard in London is seeking a Senior Full Stack Engineer with React/TypeScript and AWS experience to help scale an AI-native fintech platform. You will own APIs, data models, and UI while collaborating with product and design teams to create tools that make investing smarter, more transparent and sustainable.

The role requires 5+ years building production web apps, familiarity with Next.js and GraphQL, and startup experience.

Qualifications

• 5+ years building production web apps.
• Strong 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 fintechs.

Responsibilities

• Own the full stack—from APIs and data models to high-performing UIs.
• Collaborate with product and design to build smarter investing tools.

Skills

5+ years exp

React

TypeScript

Node.js

Next.js

GraphQL

Startup experience

Clean code

Product design

Tools

Postgres

Prisma

GraphQL

Next.js

Job description

Oliver Bernard in London is seeking a Senior Full Stack Engineer with React/TypeScript and AWS experience to help scale an AI-native fintech platform. You will own APIs, data models, and UI while collaborating with product and design teams to create tools that make investing smarter, more transparent and sustainable.

The role requires 5+ years building production web apps, familiarity with Next.js and GraphQL, and startup experience.