Full-Stack Engineer (TypeScript/Node) - Fintech & AI

Bourn; Greater London; On-site; GBP 70,000 - 110,000; Full time

Job summary

Bourn is seeking a capable engineer in Greater London to own features across lending, payments and vendor management. You’ll move between backend, frontend and infra, building APIs, events and user interfaces, sometimes as a NestJS microservice and other times as a Next.js portal.

You’ll integrate financial data, work with banks and fintech partners, and shape production-grade workflows with AI-enabled components and robust testing.

Qualifications

• Strong TypeScript/Node fundamentals.
• Willingness to move between backend, frontend and infrastructure.
• Curiosity and problem-solving mindset.

Responsibilities

• Build and own features across lending, payments, billing and vendor management.
• From API and event design through to user experience, possibly a NestJS microservice or Next.js portal.
• Connect workflows via Kafka and integrate financial-data providers for data aggregation and credit decisioning.

Skills

TypeScript

Node.js

NestJS

Full stack

Next.js

Kafka

Tools

LLMs

MCP

Job description

Bourn is seeking a capable engineer in Greater London to own features across lending, payments and vendor management. You’ll move between backend, frontend and infra, building APIs, events and user interfaces, sometimes as a NestJS microservice and other times as a Next.js portal.

You’ll integrate financial data, work with banks and fintech partners, and shape production-grade workflows with AI-enabled components and robust testing.