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Senior React Developer

E-Solutionslondon, united kingdom🇬🇧United KingdomPosted 2 Aug 2026

Why This Role Stands Out

This hybrid Senior React Developer role at E-Solutions offers a fantastic opportunity to build high-performance, time-critical applications, perfect for someone passionate about mastering cutting-edge UI development and contributing to impactful projects. You'll thrive here if you possess expert-level React and TypeScript skills and are eager to grow within a reputable tech company that values innovation. Apply now to leverage your expertise in a dynamic and flexible work environment!

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Job Description: React Developer (React, TypeScript & Low-Latency)

Role Overview

We are seeking a highly skilled UI Developer with strong expertise in building time-critical, high-availability, and high-performance applications. The ideal candidate will have hands-on experience across the full UI development lifecycle, including design, development, testing, and deployment.

Technical Skills & Expertise

  • ✅ Expert-level proficiency in HTML, CSS, JavaScript, React, and TypeScript
  • ✅ Strong understanding of WebSockets, Server-Sent Events (SSE), and REST APIs
  • ✅ Solid experience with state management libraries (e.g., Redux) and reactive programming paradigms
  • ✅ Strong understanding of Micro-Frontends and Single Page Applications (SPA)
  • ✅ Hands-on experience with React Testing Library and Jest for unit and integration testing
  • ✅ Exposure to UI automation frameworks such as Playwright or Cypress (Good to Have)

Desired Experience

  • ✅ Experience working on financial services or trading platforms is an advantage
  • ✅ Strong understanding of performance optimization and low-latency UI applications
  • ✅ Experience developing highly available, mission-critical systems

Skills

CSS
Cypress
HTML
JavaScript
Jest
Playwright
REST
React
Redux
Testing Library
TypeScript

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