Senior Frontend Engineer - FinTech Platform

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

Job summary

Radley James is seeking a Front End Software Engineer to help build and scale a flagship platform used by hedge funds, traders, and portfolio managers. You will build complex React and TypeScript applications and deliver scalable, data‑intensive user interfaces.

You’ll work with product, design and backend teams, drive front-end architecture, performance and engineering standards, mentor engineers and contribute to the technical direction.

Qualifications

• Strong commercial experience with React and TypeScript.
• Experience building scalable, high-performance web applications.
• Strong understanding of system design, architecture, and software engineering best practices.
• Ability to mentor engineers and influence technical decisions.
• Excellent communication and stakeholder management skills.

Responsibilities

• Building complex React and TypeScript applications used in front-office environments
• Delivering scalable, data-intensive user-facing features
• Driving front-end architecture, performance, and engineering standards
• Working closely with product, design, and backend teams
• Mentoring engineers and contributing to technical direction

Skills

React

TypeScript

Front-end architecture

Performance optimization

Mentoring

Stakeholder management

Communication

Tools

Module Federation

Nx

Kubernetes

Cloud platforms

Job description

Radley James is seeking a Front End Software Engineer to help build and scale a flagship platform used by hedge funds, traders, and portfolio managers. You will build complex React and TypeScript applications and deliver scalable, data‑intensive user interfaces.

You’ll work with product, design and backend teams, drive front-end architecture, performance and engineering standards, mentor engineers and contribute to the technical direction.