Job Description

Role: React UI Developer

Location: London, UK

Mode: Hybrid

Type: Contract

:

Role Overview:

We are looking for a

Senior Frontend Developer

with deep expertise in

React 18

,

TypeScript

, and modern web application development. The ideal candidate will develop high-performance, responsive web applications and dashboards, with a focus on scalability, real-time updates, and a seamless user experience.

Key Responsibilities:

Develop modern, high-quality web applications using

React 18

and

TypeScript

. Build responsive user interfaces leveraging

Vite

as the build tool and development server. Design and implement interactive data grids and dashboards using

AG Grid Enterprise

or similar third-party UI libraries (DevExpress, Progress/Telerik). Implement authentication flows using

Azure MSAL (Microsoft Authentication Library)

. Build real-time features and updates using

SignalR

for live trading or similar applications. Develop data visualization and reporting interfaces, including for

carbon credit tracking

. Implement advanced form validation, workflows, and business logic. Integrate with

RESTful APIs

using

Axios

and

Orval

for API client generation. Use

SCSS/Sass

for styling and contribute to a consistent

Design System

. Collaborate with cross-functional teams to deliver scalable, maintainable, and efficient front-end solutions.

Required Technical Skills:

8+ years of hands-on experience in modern

frontend development

. Strong proficiency in

React

,

TypeScript

, and

JavaScript (ES6+)

. Experience with

Vite

or other modern build tools (e.g., Webpack, Parcel). Knowledge of

Azure AD authentication

and

MSAL

integration. Expertise with data grid libraries such as

AG Grid

,

DevExpress

, or similar. Solid experience in

REST API integration

and

state management

. Proficiency in

CSS/SCSS

,

responsive design

, and

component-based architecture

. Experience with

testing frameworks

such as

Jest

and

React Testing Library

. Strong understanding of

Git

and modern development workflows (CI/CD). Experience with

Blazor (WebAssembly/Server)

is

highly preferred

.
Job Type: Fixed term contract
Contract length: 6 months

Pay: 250.00-300.00 per day

Experience:

Frontend development: 8 years (required) React: 4 years (required) TypeScript: 3 years (required) JavaScript: 2 years (required) Azure AD authentication : 3 years (required) Vite or similar modern build tools (Webpack, Parcel): 2 years (required) Data grid libraries (AG Grid, DevExpress, or similar): 3 years (required) REST API integration : 3 years (required) CSS/SCSS : 3 years (required) * Blazor (WebAssembly/Server): 3 years (required)