React Frontend Developer – TypeScript & Redux

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

Job summary

Ascend Consulting in Greater London is seeking a Front End JavaScript Developer proficient in React.js to build scalable UI features and reusable components. You will convert designs into high-quality code and optimize performance across devices and browsers.

The role requires strong JavaScript, TypeScript, Redux, and REST API experience, with familiarity in modern tooling (Babel, Webpack, NPM) and GitHub Actions. Office-based position in North West London.

Qualifications

• Strong proficiency in JavaScript including DOM manipulation and the JavaScript object model.
• Experience with TypeScript is essential and knowledge of React.js core principles.
• Familiarity with Redux and RTK (RTKQuery bonus).
• Knowledge of RESTful APIs and modern authorization mechanisms like JSON Web Token.
• Familiarity with front-end build pipelines and tools, including GitHub Actions; Babel, Webpack, and NPM are a plus.
• Ability to translate business requirements into technical tasks and to benchmark and optimize code.
• Experience with React Native is a bonus.

Responsibilities

• Develop user-facing features using React.js.
• Build reusable components and front-end libraries for future use.
• Translate designs and wireframes into high-quality code and optimize components for performance across devices and browsers.
• Collaborate with the team across different infrastructure layers to deliver a quality product.

Skills

React

JavaScript

TypeScript

Redux

RTK

REST APIs

JWT

GitHub Actions

Babel

Webpack

NPM

React Native

Benchmarking

Problem-solving

Tools

Babel

GitHub

JSON

JavaScript

NPM

REST

React

React Native

Redux

TypeScript

Webpack

Web

Git

Frontend

Job description

Ascend Consulting in Greater London is seeking a Front End JavaScript Developer proficient in React.js to build scalable UI features and reusable components. You will convert designs into high-quality code and optimize performance across devices and browsers.

The role requires strong JavaScript, TypeScript, Redux, and REST API experience, with familiarity in modern tooling (Babel, Webpack, NPM) and GitHub Actions. Office-based position in North West London.