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- Tasks: Design user-centred mobile experiences and collaborate with agile teams.
- Company: Join a public sector organisation focused on innovative digital services.
- Benefits: Competitive daily rate, flexible remote work, and inclusive culture.
- Other info: Diverse and inclusive workplace with support for all applicants.
- Why this job: Make a real impact by shaping accessible digital services for users.
- Qualifications: Strong interaction design and mobile prototyping experience required.
The predicted salary is between 50400 - 67200 £ per year.
Location: London / Remote
Rate: £700 per day (Inside IR35)
Clearance: Must be eligible for BPSS and SC (active SC highly desirable)
Contract Length: 12 months
Start Date: 06 July 2026
Sanderson Government & Defence is supporting a public sector organisation to secure an experienced Service Designer to work on complex, user-centred digital services.
This role will suit a designer with a strong interaction and mobile design background, comfortable working across end-to-end services within multidisciplinary agile teams.
The role
You will be responsible for designing clear, accessible and inclusive service interactions, with a particular focus on mobile-first experiences across iOS and Android. Working closely with service designers, researchers, developers and product teams, you'll help shape user journeys and design decisions from discovery through to live.
Key responsibilities
- Design clear, accessible, user-centred interaction flows across complex end-to-end services
- Create mobile-first experiences across iOS and Android platforms
- Collaborate with service designers, researchers, developers and product teams within agile delivery teams
- Mobile prototyping
- Produce high-fidelity interactive mobile prototypes illustrating interactions, gestures, transitions and system behaviours
- Use prototyping tools and lightweight code to simulate complex user flows
- Support usability testing, technical feasibility discussions and collaboration with engineering teams
- Design in line with NHS and GOV.UK Service Standards
- Ensure all outputs meet WCAG 2.2 AA accessibility requirements and inclusive design principles
- Contribute across discovery, alpha, beta and live phases
Key experience required
- Strong interaction design experience across complex digital services
- Advanced mobile prototyping skills
- Experience designing for both iOS and Android
- Experience working to NHS or GOV.UK service standards
- Strong knowledge of accessibility and inclusive design
- Experience working in agile, multidisciplinary teams
Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people of all backgrounds and perspectives. Our success is driven by our people, united by the spirit of partnership to deliver the best resourcing solutions for our clients. If you need any help or adjustments during the recruitment process for any reason, please let us know when you apply or talk to the recruiters directly so we can support you.
Service Designer (Interaction / Mobile Focus) employer: Sanderson Government and Defence
Contact Detail:
Sanderson Government and Defence Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Service Designer (Interaction / Mobile Focus)
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. You never know who might have the inside scoop on a job opportunity that’s perfect for you.
✨Tip Number 2
Show off your skills! Create a portfolio that highlights your best work, especially projects that showcase your interaction and mobile design expertise. Make sure it’s easy to navigate and visually appealing – just like the services you’ll be designing!
✨Tip Number 3
Prepare for interviews by practising common questions and scenarios related to service design. Think about how you can demonstrate your experience with agile teams and accessibility standards, as these are key in this role.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we’re always looking for talented individuals like you to join our community.
We think you need these skills to ace Service Designer (Interaction / Mobile Focus)
Some tips for your application 🫡
Tailor Your Application: Make sure to customise your CV and cover letter to highlight your experience in interaction and mobile design. We want to see how your skills align with the role, so don’t hold back on showcasing your best work!
Showcase Your Prototyping Skills: Since mobile prototyping is key for this role, include examples of your previous work that demonstrate your ability to create high-fidelity interactive prototypes. We love seeing your creative process, so share any relevant tools or techniques you used!
Highlight Collaboration Experience: This role involves working closely with various teams, so make sure to mention your experience in agile, multidisciplinary environments. We’re keen to know how you’ve collaborated with service designers, researchers, and developers in the past.
Apply Through Our Website: We encourage you to apply directly through our website for a smoother application process. It’s the best way for us to receive your application and keep track of it, plus you’ll find all the details you need about the role there!
How to prepare for a job interview at Sanderson Government and Defence
✨Know Your Design Principles
Make sure you brush up on your knowledge of interaction design principles, especially those related to mobile-first experiences. Be ready to discuss how you've applied these principles in past projects, particularly in relation to iOS and Android.
✨Showcase Your Prototyping Skills
Prepare to demonstrate your advanced mobile prototyping skills. Bring examples of high-fidelity interactive prototypes you've created, and be ready to explain the design decisions behind them, including how they meet accessibility standards.
✨Collaborate Like a Pro
Since this role involves working with multidisciplinary teams, think of examples where you've successfully collaborated with service designers, researchers, and developers. Highlight your experience in agile environments and how you contribute to team dynamics.
✨Understand Accessibility Standards
Familiarise yourself with WCAG 2.2 AA accessibility requirements and inclusive design principles. Be prepared to discuss how you've ensured your designs are accessible and how you approach usability testing in your projects.