Find a job 
Featured Companies 
Featured Universities 
For Companies At a Glance
- Tasks: Shape and evolve the design language for web and mobile platforms.
- Company: Join a leading digital marketplace focused on sustainable e-commerce.
- Benefits: Up to £85,000 salary, private health coverage, and 25 days annual leave.
- Why this job: Make a real impact in a creative, inclusive environment while working with cutting-edge design.
- Qualifications: Proven UI design experience and strong portfolio showcasing your craft.
- Other info: Flexible hybrid working options and excellent career growth opportunities.
The predicted salary is between 60000 - 85000 £ per year.
About the Company
Our client is an extremely well-known digital marketplace focused on sustainable ecommerce. With over 35 million active users globally, they’re redefining how people buy and sell second-hand fashion, aiming to make the future of style both circular and accessible. The company has offices in the UK, EU, and US and has experienced significant growth, especially around the US market, and now operates as part of a leading global e-commerce group. They pride themselves on fostering inclusivity, creativity, and innovation, values that extend to both their community and their teams. The organisation champions diversity, equal opportunity, and flexible working. They offer a progressive benefits package designed to support wellbeing, learning, and work-life balance.
The role of Senior UI Designer focuses on shaping and evolving the company’s design language across web and mobile platforms (iOS and Android). You’ll play a key role in developing scalable, high-quality UI components that enable product teams to create cohesive, accessible, and beautiful user experiences. This position is ideal for someone who thrives on detail, loves system-level design thinking, and can strike the right balance between consistency, creativity, and usability.
Key Responsibilities:
- Contribute to the ongoing evolution of the company’s design system — creating, maintaining, and documenting reusable UI components and patterns for use across digital platforms.
- Deliver pixel-perfect, production-ready UI with a focus on usability, accessibility, and brand identity.
- Collaborate closely with product designers, engineers, and product managers to ensure design components are functional, scalable, and easy to implement.
- Identify opportunities to streamline workflows and standardise design patterns to improve product development efficiency.
- Champion system-led design consistency across web and native platforms.
- Design engaging UI elements, transitions, and microinteractions that enhance the user experience.
- Optimise designs for multiple platforms, ensuring consistency across iOS, Android, and responsive web.
- Confidently present design concepts to stakeholders and wider teams.
Requirements:
- Proven experience as a UI Designer, Visual Designer, or similar role within a digital product environment.
- A strong portfolio showcasing design craft, attention to detail, and experience in system thinking.
- Hands-on experience working with or contributing to a design system.
- Advanced proficiency in Figma, including components, variants, and library management.
- Solid understanding of accessibility standards and inclusive design principles.
- Excellent collaboration skills and experience partnering with cross-functional teams.
- Familiarity with design tokens and design-to-code workflows.
- Prior experience within e-commerce, marketplace, or fashion-related products.
- Working knowledge of motion design principles and interaction design.
What can they offer you?
- Private health and mental wellbeing coverage, including access to counselling and coaching.
- Salary of up to £85,000.
- 25 days annual leave, plus additional company-wide rest days and volunteer leave.
- Flexible hybrid working, with the option to work abroad for limited periods.
- Pension matching, life insurance, and recognition for service milestones.
If you are interested, please drop over your CV and we will give you a call if we think you are a good fit!
Senior UI Designer, Mobile, B2C, Marketplace | London, Hybrid, UK Remote (Or 1 Day Hybrid from London) | Up to £85,000 employer: Owen Thomas | Pending B Corp™
Contact Detail:
Owen Thomas | Pending B Corp™ Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Senior UI Designer, Mobile, B2C, Marketplace | London, Hybrid, UK Remote (Or 1 Day Hybrid from London) | Up to £85,000
✨Tip Number 1
Network like a pro! Reach out to people in the industry, attend design meetups, and connect with fellow designers on LinkedIn. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your work! Create an online portfolio that highlights your best UI designs and projects. Make it easy for potential employers to see your skills and creativity at a glance.
✨Tip Number 3
Prepare for interviews by practising common design questions and presenting your design process. Be ready to discuss how you approach system-level design thinking and usability, as these are key for the role.
✨Tip Number 4
Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take the initiative to connect directly with us.
We think you need these skills to ace Senior UI Designer, Mobile, B2C, Marketplace | London, Hybrid, UK Remote (Or 1 Day Hybrid from London) | Up to £85,000
Some tips for your application 🫡
Show Off Your Portfolio: Make sure to include a link to your portfolio in your application. We want to see your design craft and attention to detail, so showcase your best work that aligns with the role!
Tailor Your CV: Customise your CV to highlight relevant experience in UI design, especially any work with design systems. We love seeing how your background fits with our focus on usability and accessibility.
Be Clear and Concise: When writing your cover letter, keep it clear and to the point. We appreciate straightforward communication, so let us know why you’re excited about this role and how you can contribute!
Apply Through Our Website: Don’t forget to apply through our website! It’s the easiest way for us to review your application and get back to you if we think you’re a good fit. We can’t wait to hear from you!
How to prepare for a job interview at Owen Thomas | Pending B Corp™
✨Know Your Design System
Before the interview, dive deep into the company's design system. Familiarise yourself with their UI components and patterns, and think about how you can contribute to evolving them. Being able to discuss specific examples from your portfolio that align with their design philosophy will show you're a perfect fit.
✨Showcase Your Collaboration Skills
Since this role involves working closely with product designers, engineers, and product managers, be ready to share examples of successful collaborations from your past. Highlight how you’ve worked in cross-functional teams to create cohesive user experiences, as this will resonate well with the interviewers.
✨Prepare for Design Challenges
Expect to face some design challenges during the interview. Brush up on your problem-solving skills and be prepared to walk through your thought process. This could involve discussing how you would approach creating a new UI component or optimising an existing one for accessibility and usability.
✨Understand Their Market
Research the company’s position in the sustainable e-commerce space. Be ready to discuss trends in the marketplace and how your design work can enhance user engagement. Showing that you understand their audience and market dynamics will demonstrate your commitment and insight into the role.
