Senior Full Stack Engineer (TypeScript / React)

Company: FORT
Apply for the Senior Full Stack Engineer (TypeScript / React)
Location: London
Job Description:

Senior Full Stack Engineer (TypeScript / React)

Up to £100,000

We’re working with a fast-growing, product-led technology business that’s building a modern SaaS platform used by scaling companies operating across multiple markets. As the company continues to grow, they’re now expanding their engineering team and are looking for a Senior Full Stack Engineer to support the next phase of platform and product development.

The Why? (just a couple of highlights…)

Build with ownership – Work on customer-facing features from concept through to release.

Real product impact – Join a collaborative team shaping a platform used daily by high-growth businesses.

The What?

  • You’ll be working across a modern full stack environment, building scalable product features and improving platform infrastructure as the business continues to scale.
  • This is a hands‑on role focused on developing end‑to‑end features, improving system performance, and contributing to product quality alongside Product, Design, and Engineering teams.

Key Things You’ll Be Doing

  • Building end‑to‑end features across a modern SaaS platform.
  • Developing frontend applications using React and TypeScript.
  • Supporting backend services and infrastructure improvements.
  • Working with technologies including Postgres, Redis, Kubernetes, and cloud platforms.
  • Collaborating closely with Product, Design, and Engineering teams.
  • Contributing to improvements in code quality, scalability, and system design.

What You’ll Bring

  • Commercial full stack engineering experience within SaaS products.
  • Familiarity with modern backend infrastructure and cloud environments.
  • Experience building customer-facing features with strong ownership.
  • A product‑focused mindset with an eye for design and user experience.
  • Someone who enjoys working closely with others in a collaborative environment.

Hybrid Working

Our client operates a flexible working pattern with around 3 days a week in office.

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Posted: May 17th, 2026