Senior Front End Developer (React.JS Essential)

Oliver James; London; On-site; GBP 65,000 - 85,000; Full time

Job summary

A leading tech recruitment agency is seeking a Senior Front End Developer in London. In this role, you will contribute to a major digital transformation project focusing on building customer-facing React applications. You will collaborate with various teams and utilize a tech stack including Typescript and React.JS. The ideal candidate has strong experience with React and familiarity with Next.js. This is an excellent opportunity for impactful work in a product-led environment.

Qualifications

• Experience building customer-facing React apps, React experience is essential.
• Experience with Next.js.
• Ability to manage portals in production, diagnose issues, and implement fixes.
• Proven experience with deployment pipelines.
• Experience with testing and automation.

Responsibilities

• Building externally facing portal capabilities for customer interactions.
• Pairing or mobbing with engineers, product owners, UX designers, and InfoSec colleagues.
• Writing unit and integration tests using tools like Playwright.

Skills

React

Typescript

Next.js

Testing and automation

Job description

Social network you want to login/join with:

Senior Front End Developer (React.JS Essential), London

Client:

Oliver James

Location:

London, United Kingdom

Job Category:

Other

-

EU work permit required:

Yes

Job Reference:

0e0a67c8b4db

Job Views:

30

Posted:

12.08.2025

Expiry Date:

26.09.2025

Job Description:

We're looking for an experienced Front End Engineer to join our client's Engineering team, to help deliver our digital roadmap, develop our people and capabilities, and support Engineering strategy to drive improvements across all teams.

This is a fantastic opportunity to work in a product-led operating model. Our client is undergoing the largest digital transformation in their history, focusing on building out a Single Digital Platform centered around Salesforce, involving a significant .NET estate, Azure services, and React frontend web applications.

Our Tech Stack:

• UI: Typescript, React.JS, Redux, rxjs, webpack

What you'll be doing:

• Building externally facing portal capabilities for customer interactions
• Pairing or mobbing with engineers, product owners, UX designers, and InfoSec colleagues
• Contributing to team ceremonies and planning
• Writing unit and integration tests using tools like Playwright and automating pipelines
• Supporting delivery, lifecycle management, and technical debt reduction

What you'll bring:

• Experience building customer-facing React apps, React experience is essential
• Experience with Next.js
• Ability to manage portals in production, diagnose issues, and implement fixes
• Proven experience with deployment pipelines
• Experience with testing and automation
• Ability to build and maintain APIs for React apps (desirable, can be learned on the job)