Platform Developer - Design System Team

Companytombola

LocationSunderland, England, United Kingdom

Posted At1/8/2026

UK Visa Sponsorship Analytics

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Occupation Type

Programmers and software development professionals

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£54,700 (£28.05 per hour)

Occupation rate applies

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Description

Help Shape the Future of tombola 🎯

At tombola, our design system platform team plays a crucial role in bridging the gap between design and engineering. You’ll be responsible for ensuring our products present a cohesive visual language and deliver consistent user experiences. You’ll own the architecture, development, and evolution of the design system, empowering teams across the organization to build interfaces rapidly and reliably. Your work will streamline collaboration, drive best practices, and foster a culture of scalability and quality.

You’ll be joining a close knit, friendly and genuinely supportive team who care deeply about what they do and how they do it. Knowledge sharing is a big part of our culture, with plenty of collaboration across design, engineering and product teams. We’re looking for someone who enjoys working closely with others, is curious by nature, and has the drive to learn, grow and evolve alongside the platform. If you thrive in an environment where ideas are shared openly, questions are welcomed and quality really matters, you’ll feel right at home here.

What You’ll Be Working On 👀

Designing and building reusable UI components and patterns for our product ecosystem.

Creating thorough documentation and onboarding material to help teams adopt the design system.

Working with designers to translate visual concepts into accessible, production-ready components.

Reviewing and refactoring existing UI for consistency, accessibility, and performance improvements.

Maintaining and updating shared resources, including component libraries, style guides, and tooling.

Providing technical support and guidance to product teams during integration and implementation.

Championing accessibility and design best practices throughout the development process.

Helping maintain and iterate on our content management system.

The tech you’ll get hands-on with 🔧

Modern frontend tooling and languages such as Vite, Typescript, and Lit (Experimental).
Storybook for documenting components and showcasing UI.
Styling solutions such as PostCSS and SASS.
Docker, Terraform, TeamCity, GitHub for manging infrastructure and CI/CD.
C# / .Net (Framework & Core), contributing to our platform websites and Umbraco CMS System.

What We’re Looking For 😇

Expertise in front-end development and component-driven architecture.
Deep understanding of responsive design and accessibility standards (WCAG, ARIA).
Clear communication skills and ability to collaborate with cross-functional teams.
Attention to detail in documenting, testing, and maintaining UI components.
Ability to research, adopt, and advocate best practices in design systems and front-end engineering.
Some experience and willingness to learn C# and .NET.

Why join tombola? ⭐️

Work in a fast-moving, collaborative Design System where your work makes a real impact, modernising our product offerings.
Thrive in an ever-evolving environment with continuous learning opportunities, and scope to experiment and drive technical solutions.
Play a key role in building the platform that powers tombola’s product UI and UX.
Enjoy hybrid working (3 days in our Sunderland office) in a collaborative, supportive team
Benefit from a fantastic package of perks and opportunities designed to help you thrive
Discover more about our benefits and perks here.

If you’re ready to put your front-end skills, attention to design, and passion for accessibility to the test, we want to hear from you. Help us build scalable and consistent UI systems and make a real impact across all our products. Your journey starts here!

At tombola we know that our differences make us stronger and that thinking differently is key to long term success. We work hard to create a culture of inclusivity where everyone can celebrate our Free to be me value. We are committed to creating opportunities for everyone here at tombola, we welcome applications from all backgrounds and encourage individuals to apply, even if you don’t meet every requirement.