UX/UI Lead - Front End

Front End & UX/UI Lead to design & implement the entire user experience layer for an OS, covering both web & mobile interfaces., * Lead UX research, define user journeys, personas, workflows, and information architecture.

• Design intuitive UI components, visual foundations, and a robust design system.
• Produce high-fidelity prototypes and conduct usability testing with stakeholders.
• Create short, engaging help and training videos integrated into the product.
• Convert approved prototypes into a production-ready Front End application.
• Implement components, states, behaviours, accessibility, performance
• Integrate with headless Back End systems (Strapi, Moodle, Camunda, etc.).
• Collaborate in provided build, test, and deployment environments.
• Define UI architecture (SSG/SSR/CSR/mobile) aligned with security policy.
• Support independent penetration testing.
• Lead project setup, governance, reporting, and stakeholder alignment.
• Manage risks, issues, changes, and coordinate with Back End & IV&V teams.
• Produce comprehensive documentation for architecture, workflows, and integrations.

• 7+ years of Front End engineering experience (React, Vue, Angular or similar)
• Strong understanding of API integrations & headless backends
• Proven experience in secure development environments (DevSecOps)
• Architecture design for SSG/SSR/CSR/mobile approaches
• Deep experience with UX research, user journeys, and IA
• Mastery of UI design systems & prototyping tools (Figma, XD, etc.)
• Strong usability testing experience
• Ability to produce short user-learning videos
• Familiarity with security accreditation processes
• Ability to produce documentation supporting NATO Office of Security assessments
• Experience working on complex, multi-stakeholder technical programmes
• Previously experience working on NATO or Defence projects is advantageous.

This role has been determined as being outside IR35.