Front-End Engineer

We're seeking an experienced Senior Front-End Engineer to lead the development, modification, and maintenance of the front-end elements that users interact with across our government service platforms.

You'll work in multidisciplinary teams, collaborating with designers, developers, and user researchers to deliver accessible, performant, and standards-compliant services that meet the needs of real users and align with government digital standards.

This role is about setting the bar for front-end quality, defining best practices, ensuring accessibility and performance, and applying modern development techniques. You'll champion progressive enhancement, responsive design, and usability across multiple browsers and devices.

Key Responsibilities

• Lead front-end development across multiple digital service projects.

• Build accessible, responsive user interfaces that meet GDS accessibility and usability standards.

• Ensure products are built with modern web development techniques and principles.

• Collaborate with multidisciplinary teams, including UX designers, back-end developers, and testers.

• Maintain high code quality through code reviews, testing, and documentation.

• Optimise web performance and maintain browser/device compatibility.

• Mentor junior developers and promote a culture of continuous improvement.

• Contribute to design system evolution and reusable component libraries.

• Proven experience as a front-end developer in production and prototype environments.

• Strong proficiency in HTML5 , CSS3 , and JavaScript (including Node.js , ReactJS , ExpressJS , Mongoose ).

• Experience with templating and UI frameworks such as Nunjucks , Freemarker , Bootstrap , LESS , and SASS .

• Working knowledge of CI/CD tooling such as Git , GitLab CI , Jenkins , SonarQube , Nexus , and Artifactory .

• Deep understanding of accessibility, progressive enhancement, and performance optimisation.

• Experience building services that perform efficiently across multiple devices and browsers.

• Strong understanding of UX principles and user-centred design.

• Experience working in Agile delivery teams.

• Competitive salary and performance-based bonus structure.

• Opportunity to work on impactful government digital services.

• Hybrid and flexible working arrangements.

• Private medical insurance (Aviva).

• Company pension plan (Nest).

• 25 days annual leave plus UK bank holidays.

• Access to Perkbox - employee discounts, perks, and wellbeing resources.

• Inclusive and collaborative company culture that values experimentation and innovation.

At Amber Labs , we're a cutting-edge UK and European technology consultancy that empowers autonomy, promotes experimentation, and drives rapid learning to deliver exceptional value to our clients. Collaboration sits at the heart of our culture - every team member, regardless of role, works together to minimise risk and accelerate delivery. Our teams consist of highly skilled engineers, designers, analysts, and consultants dedicated to building world-class digital services for government and enterprise clients.