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Ampstek

Frontend Developer (Angular & React)

On site

Belfast, United kingdom

Senior

Full Time

08-10-2025

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Skills

Communication TypeScript CSS Jenkins Scrum Presentation Skills Architecture angular Azure react node.js tailwind AWS Project Management Agile Bootstrap Tailwind CSS Material UI Agile Scrum HTML5

Job Specifications

Hi ,

Greetings from Ampstek !!

We do have opening for our client,

Role : Senior UI Developer (React & Angular)

Duration : Permanent

Location : Belfast, NI

Job Description:

Total IT Experience: 7 to 12 years

Angular / React UI developers with proficiency in Design Systems. Eg: Material UI
Experience in using the Design system
Strong experience with React 18+, TypeScript, and ES6.
Expertise in performance fine-tuning and optimization of front-end applications
Hands-on experience with React Hooks such as useState, useEffect, useMemo, useCallback, and custom hooks.
Strong understanding of responsive design principles, patterns, and libraries such as Bootstrap.
Solid knowledge and hands-on experience in backend API integration, exception handling, and managing synchronous/asynchronous requests
Proficient in HTML5, CSS3, and modern CSS frameworks like Tailwind CSS or Styled Components.
Strong experience with Application Security concepts such as Authentication, Authorization, and Data Security.
Experience in designing applications for multiple browsers and multiple resolutions, including mobile devices.
Strong experience in responsive design principles and patterns and libraries such as bootstrap.
Hands-on experience with code release processes, bundling, and packaging applications for production environments.
Strong skills in troubleshooting front-end issues and adhering to best practices.
Proven ability to develop reusable components/widgets and implement component-driven architecture and design principles.
Exposure to unit testing or testing automation frameworks for front-end validation.
Advanced experience with testing frameworks such as Jest, React Testing Library, Cypress, or Enzyme for unit, integration, and end-to-end testing.
Strong understanding of web accessibility standards (WCAG) and experience in building inclusive and accessible applications.
Experience in accessibility testing
TFS (Team Foundation Server) familiarity will be an added advantage
Working knowledge of Webpack, Vite, Create React App (CRA), and Agile Scrum Framework for efficient development, build optimization, and project management.
Familiarity with NGRX or RXJS frameworks, as well as Saga/Thunk patterns for state management and data transfer.
Exposure to micro-frontends architecture for modular UI development is an added advantage.
Good to have: Experience in Node.js backend development.
Familiarity with Continuous Integration methodologies and tools like Jenkins.
Good to have exposure to cloud CDN and static website hosting in AWS or Azure.
Excellent communication and presentation skills.

About the Company

Ampstek supplies thousands of tech and digital professionals annually to a range of clients through its offices which spread across in 42 countries. From simple beginnings in 2014, Ampstek has always been on a journey to reinvent the world of recruitment through creating amazing customer and candidate experiences driven by a genuine desire to build long term relationships and outcomes. This motivation to break from the pack is stronger than ever as we roll out Ampstek Power globally, an innovative life hub platform for freel... Know more