Full Stack Engineer

Position: Full Stack Engineer (Permanent)
Senior Full-Stack Engineer (Fintech / AI)

Location:

London Bridge (Hybrid - 3 days onsite)

W Talent is supporting a high-growth fintech startup building a platform that simplifies access to lending.

By combining human expertise with modern AI, the team enables advisers to match customers to the right loans in seconds. The product is live in advanced beta and preparing for commercial scale.

This is an opportunity to join early, work hands-on, and help shape a platform that genuinely improves people's financial lives.

The role

You'll be a senior, hands-on engineer working across the full stack in a small, experienced team.

Responsibilities include:

Building features end-to-end using Python, React, and Type Script
Writing clean, well-tested, production-grade code
Improving architecture, performance, and scalability
Strengthening testing, CI, and CD pipelines
Collaborating closely with Product to solve real user problems
Working with modern AI models and a contemporary AI engineering stack

This role offers real ownership, fast decision-making, and minimal bureaucracy.

What we're looking for

Proven experience building and running production-grade systems in a senior engineering role
Strong full-stack capability across Python and React
Solid SQL skills
A strong testing mindset and commitment to engineering quality
Someone who leads by example and takes ownership
Pragmatic, curious, and delivery-focused
Comfortable working in a small, fast-moving team environment

Nice to have

Redis, Celery
AWS or GCP
Docker or Kubernetes
SOC 2 familiarity
Interest in Rust or Go

Why consider this opportunity?

Influence the technical foundations of a fintech platform about to scale
Make meaningful technical decisions from day one
Work alongside senior engineers who value clarity, quality, and speed
Competitive package, EMI, and full medical cover
A business that uses AI properly in production - not just in slide decks

Location & eligibility

UK right to work required (no visa sponsorship available)
Hybrid working: 3 days per week in the London Bridge office
Candidates must be able to commute reliably