UX Frontend Developer

Job description

Join a specialist consultancy delivering secure, high-impact digital services across critical government environments. This role sits at the intersection of UX design and front-end engineering, shaping intuitive interfaces for mission-critical applications.

Role Overview:

• Location: Gloucester, London, or Manchester (up to 4 days onsite)
• Package: Competitive + benefits
• Industry: Defence / National Security / Government Technology

What You’ll Be Doing:

• Design user-focused interfaces through wireframes, prototypes, and iterative testing
• Turn complex user needs into clear, intuitive digital experiences aligned with best practice and standards
• Build and maintain reusable UI components and scalable design systems
• Develop modern front-end applications using frameworks like React, Angular, or Vue
• Create responsive, accessible interfaces suited to secure and restricted environments
• Integrate front-end solutions with APIs and backend services
• Optimise performance for speed, usability, and low-bandwidth scenarios
• Collaborate within Agile teams to deliver end-to-end digital services

Main Skills Needed:

• Strong front-end development experience with React, Angular, or Vue
• Solid knowledge of HTML5, CSS3/SASS, JavaScript, and TypeScript
• Proven UX capability across wireframing, prototyping, and interaction design
• Understanding of accessibility standards (WCAG 2.1 AA) and inclusive design
• Experience working in Agile environments (Scrum or Kanban)
• Ability to integrate with RESTful APIs and handle JSON data
• Background in secure or regulated sectors (e.g. Government, defence, national security)
• Familiarity with secure development principles such as DevSecOps

What’s in It for You:

• Work on meaningful projects that directly support national-level operations
• Be part of small, highly skilled teams delivering real impact at pace
• Blend UX creativity with technical delivery in a genuinely hybrid role
• Exposure to complex, cutting-edge data and secure systems
• Opportunities to grow within a mission-driven, innovation-led environment

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

By applying you are confirming you are happy to be added to the Addition Solutions mailing list regarding future suitable positions. You can opt out of this at any time simply by contacting one of our consultants.

Extra information

Status

Open

Education Level

Secondary School

Location

Cheltenham

Type of Contract

Full-time jobs

Published at

23-04-2026

Profession type

ICT

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English