UX Front-End Developer

The Role

Use the title “UX Front‑End Developer” and add any line that helps the applicant know you’re looking for a design‑savvy engineer handling secure government applications. Keep the language focused on user‑centric design, front‑end production and collaboration with multidisciplinary teams.

• Conduct user‑centred design activities, including wire framing, prototyping, workflow creation and iterative usability testing.
• Translate user research insights into intuitive interface designs aligned with GDS standards, industry UX best practice, or customer‑specific guidelines.
• Develop and maintain UI design systems, reusable component libraries and accessibility‑compliant layouts.

• Build high‑quality front‑end components using modern frameworks such as React, Angular or Vue, alongside Type Script/JavaScript.
• Implement responsive, accessible and performant interfaces suitable for secure and restricted environments.
• Integrate front‑end applications with backend services, APIs and operational data sources.
• Optimise UI performance for speed, accessibility and use in constrained network conditions.

• Work within cross‑functional Agile teams to deliver user‑focused digital services from discovery through to deployment.
• Contribute to sprint ceremonies, backlog refinement and peer code/design reviews.
• Collaborate closely with UX researchers, developers, testers and security/solution architects to ensure seamless, end‑to‑end delivery.
• Produce clear documentation, interface specifications and design artefacts to support delivery and ongoing maintenance.

• Ensure all interfaces meet required accessibility standards (e.g., WCAG 2.1 AA or client‑specific mandates).
• Apply secure coding and design principles when working within classified or sensitive environments.
• Adhere to Envitia’s engineering, design and Dev Sec Ops  standards, contributing improvements where appropriate.
• Support continuous improvement by contributing to Envitia’s internal UX and front‑end development capability frameworks.

• Strong experience designing and developing modern front‑end applications using React, Angular or Vue.
• Proficiency in HTML5, CSS3/SASS, JavaScript, Type Script and responsive design techniques.
• Demonstrable UX capability: wireframes, prototypes, user flows, interaction design, usability principles.
• Experience applying accessibility standards (e.g., WCAG 2.1 AA) and inclusive design practices.
• Familiarity with Agile delivery (Scrum or Kanban) in multidisciplinary teams.
• Experience consuming RESTful APIs, integrating with backend services, and working with JSON data structures.
• Experience working within Defence, National Security, Central Government or similarly regulated sectors.
• Ability to work in secure environments and follow Secure by Design and Dev Sec Ops  principles.

The successful candidate must hold a current DV security clearance with the ability to go through an enhanced level.

It is anticipated the role will require up to 80% (4d/wk) onsite working at client location in Gloucester.