Senior UI/UX Designer (Systems / Technical Environment) at Expleo Group, Portsmouth, £Contract Rate Outside IR35
- Outside Spy
- Portsmouth, UK
- Jun 25, 2026
Contract Description
Overview:
The Senior UI/UX Designer will support the design and improvement of user interfaces for an existing client product undergoing a product refresh and update, focusing on usability, clarity, and practical implementation within a technical or constrained environment.
This is a hands-on, delivery-focused role, producing clear, usable interface designs and interaction models that development teams can implement efficiently within short timeframes.
The role is a short-timescale, consultancy, prototype generation and documentation of agreed specifications. It is Outside IR35, and will require initial onsite presence but can be then taken offsite to deliver.
Responsibilities:
- Design and improve user interface layouts and workflows
- Produce wireframes, screen designs, and interface concepts
- Define user journeys and interaction flows
- Translate complex system functionality into clear, usable interfaces
- Apply usability and accessibility best practices
- Work closely with stakeholders to understand requirements and constraints
- Deliver design outputs suitable for development implementation
- Provide practical recommendations to improve usability and clarity
- Iterate designs based on feedback and technical constraints
Qualifications:
- Degree (or equivalent experience) in UX, Human Factors, Design, Computer Science, or related discipline
- Proven experience in UI/UX design for software, systems, or technical products
- Experience working with engineering or development teams
- Ability to deliver design outputs in short, delivery-focused engagements
Essential skills:
- UI and interaction design
- UX design and user journey mapping
- Wireframing and interface layout design
- Usability principles and best practice application
- Strong stakeholder communication
- Ability to translate technical requirements into intuitive UI designs
- Practical, delivery-focused design execution
Desired skills:
- Accessibility awareness (e.g. WCAG principles)
- Human factors / ergonomics understanding
- Experience designing for constrained or technical systems
- Familiarity with engineering or operational platforms
- Experience with prototyping tools (e.g. Figma, Adobe XD)
Experience:
- Experience designing UI/UX for complex or technical systems
- Strong experience simplifying complex workflows into usable interfaces
- Experience working within constrained or legacy environments
- Experience collaborating with engineering teams to deliver implementable designs
- Experience in defence, government, or regulated environments (desirable)
What do I need before I apply:
- A portfolio demonstrating practical UI/UX delivery (wireframes, flows, layouts)
- Evidence of working on real products or systems, not just conceptual design
- Examples showing simplification of complex user workflows
- Demonstrated ability to produce implementable designs within constraints
- Experience working with technical stakeholders or development teams
About Outside Spy
Outside Spy discovers all the Outside IR35 IT contract opportunities for members.
Join Now