Frontend React Developer — TypeScript & Redux

Ascend Consulting; City Of London; On-site; GBP 35,000 - 55,000; Full time

Job summary

Ascend Consulting in the United Kingdom is seeking a Front End JavaScript Developer with strong React.js and TypeScript skills to join our team. You will build reusable UI components, implement pixel-perfect designs, and optimize front-end performance across devices and browsers.

The ideal candidate has deep JavaScript knowledge, Redux/RTK experience, REST APIs, and modern build tools such as Babel, Webpack, NPM, and GitHub Actions. This on-site role is based in North West London.

Qualifications

• Proficiency in React.js and JavaScript; TypeScript essential.
• Experience with Redux/RTK and RTKQuery bonus.
• Familiarity with RESTful APIs and JSON Web Tokens for auth.
• Knowledge of front-end build pipelines and tools (GitHub Actions, Babel, Webpack, NPM).

Responsibilities

• Develop user-facing features with React.js and build reusable components; translate designs into high-quality code; optimize performance across devices and browsers; collaborate with the team on infrastructure.

Skills

React.js

JavaScript

TypeScript

Redux

RTK

REST APIs

JWT

Responsive design

Tools

Babel

Webpack

NPM

GitHub Actions

Git

React Native

Job description

Ascend Consulting in the United Kingdom is seeking a Front End JavaScript Developer with strong React.js and TypeScript skills to join our team. You will build reusable UI components, implement pixel-perfect designs, and optimize front-end performance across devices and browsers.

The ideal candidate has deep JavaScript knowledge, Redux/RTK experience, REST APIs, and modern build tools such as Babel, Webpack, NPM, and GitHub Actions. This on-site role is based in North West London.