Front-End Developer

CGI Group Inc.; City of Westminster; On-site; GBP 40,000 - 60,000; Full time

Job summary

A leading technology consulting firm in the UK is seeking a Front-End Developer to design and build engaging web applications using React.js and TypeScript. You will work closely with cross-functional teams in an Agile environment, contributing to innovative solutions while mentoring junior developers. The ideal candidate should have extensive experience in front-end development and strong collaboration skills. Competitive salary and benefits included.

Benefits

Insurance coverage

Medical benefits

Pension plan

Flexible time off

Share Purchase Plan

Health and Wellbeing Programme

Qualifications

• Proven experience developing front-end applications using modern JavaScript frameworks.
• Strong collaboration skills with attention to detail.
• Passion for creating clean, efficient, and user-friendly code.

Responsibilities

• Design, develop, and deliver high-quality front-end applications using React.js and TypeScript.
• Collaborate with cross-functional teams for seamless integration.
• Participate in Agile ceremonies and contribute to iterative delivery.

Skills

React.js

TypeScript

JavaScript (ES6+)

HTML5

CSS3

Agile methodologies

RESTful APIs

GraphQL

Jira

Confluence

Git

Job description

Job Summary

As a Front-End Developer at CGI, you'll design and build engaging, high-performance web applications that deliver meaningful impact for clients across industries. You'll use modern technologies like React.js and TypeScript to create seamless, responsive user experiences that drive digital transformation. Working in an Agile and collaborative environment, you'll partner with designers, backend engineers, and consultants to bring ideas to life. You'll also mentor others and help shape our front-end capability within a supportive, growth-focused culture that values innovation, ownership, and teamwork.

Responsibilities

• Design, develop, and deliver high-quality front-end applications using React.js and TypeScript
• Collaborate with cross-functional teams to ensure seamless integration with backend services
• Participate in Agile ceremonies and contribute to iterative delivery and improvement
• Review code, implement testing, and optimise application performance
• Mentor and support junior developers, promoting collaboration and knowledge sharing
• Contribute to consistent front-end practices across projects and teams
• Apply UX/UI and accessibility best practices to ensure intuitive, inclusive designs, Salary, remote work... Define all the criteria that are important to you.
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Qualifications

You should have proven experience developing front-end applications using modern JavaScript frameworks, with a focus on React.js and TypeScript. You'll bring strong collaboration skills, attention to detail, and a passion for creating clean, efficient, and user-friendly code.

Essential Qualifications

• Extensive experience developing front-end applications with React.js or similar frameworks
• Strong understanding of JavaScript (ES6+), HTML5, and CSS3
• Experience integrating with RESTful APIs and GraphQL services
• Familiarity with Angular or Vue.js for cross-project consistency
• Experience working in Agile environments using Jira, Confluence, and Git
• Excellent communication and teamwork skills
• Proactive, growth-oriented approach with attention to quality and performance

Desirable Qualifications

• Experience in an IT consulting or client-facing role
• Familiarity with cloud platforms (Azure, AWS, or GCP)
• Knowledge of CI/CD pipelines and automated testing frameworks
• Understanding of UX/UI principles and accessibility standards (WCAG)

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because…

Benefits

• Insurance coverage
• Medical benefits
• Pension plan
• Member Assistant Programme
• Check4Cancer
• Flexible time off
• Share Purchase Plan
• Member discounts
• Dental benefits
• Vision benefits
• Profit Participation Plan
• Health and Wellbeing Programme

Additional Information

CGI was recognised in the Sunday Times Best Places to Work List 2025 and has been named a UK 'Best Employer' by the Financial Times. We offer a competitive salary, excellent pension, private healthcare, plus a share scheme (3.5% + 3.5% matching). We are committed to inclusivity, building a genuinely diverse community of tech talent and inspiring everyone to pursue careers in our sector, including our Armed Forces, and are proud to hold a Gold Award in recognition of our support of the Armed Forces Corporate Covenant. Join us and you'll be part of an open, friendly community of experts. We'll train and support you in taking your career wherever you want it to go. Due to the secure nature of the programme, you will need to hold UK Security Clearance or be eligible to go through this clearance.