About Tessell:

At Tessell, we deliver a highly differentiated Database as a Service (DBaaS) on the cloud platform of your choice, including AWS and Azure, with database engines such as PostgreSQL, MySQL, Oracle, and SQL Server. Our customers choose Tessell for the unrivaled user experience that empowers everyone to harness the power of data in their work.

A strong, scalable, and consistent design system is essential to achieving this. As a UI Developer - Design System, you will play a pivotal role in building, maintaining, and evolving our design system, ensuring that designers and engineers can create world-class, cohesive user experiences efficiently. You'll work closely with UX designers and front-end engineers to develop and implement components that are accessible, performant, and reusable across the entire product ecosystem.

What will you do as a UI Developer for the Design System at Tessell?

• Develop & Maintain UI Components – Build robust, scalable, and accessible UI components in collaboration with designers and engineers, ensuring they align with Tessell's design language and brand guidelines.
• Ensure Consistency & Reusability – Develop and document reusable UI patterns, standardizing interactions, typography, color, motion, and layouts across the product suite.
• Bridge Design & Development – Translate high-fidelity design concepts into responsive, high-performance, and pixel-perfect UI components that work seamlessly across platforms.
• Improve Accessibility & Performance – Implement and advocate for WCAG compliance and performance best practices to ensure our design system supports a wide range of users.
• Collaborate Across Teams – Work closely with product designers, engineers, and stakeholders to identify gaps, improve workflows, and ensure seamless adoption of the design system.
• Drive Innovation in Frontend Development – Stay up to date with the latest trends in UI development, frontend frameworks, and tooling, helping elevate the design system's technical capabilities.
  
  

What types of challenges will you work on?

• Scalability & Modularity: Building a design system that scales efficiently across multiple platforms and use cases.
• Consistency Across Products: Ensuring that UI components provide a seamless and consistent experience across the Tessell ecosystem.
• Performance Optimization: Developing lightweight, high-performance components that contribute to a fast, smooth, and engaging user experience.
• Accessibility & Inclusivity: Designing and implementing components that meet global accessibility standards to create inclusive experiences for all users.
• Cross-Team Adoption: Working with engineers and designers to promote best practices, documentation, and seamless adoption of the design system.
  
  

How do we execute great UI development at Tessell?

• Cross-Team Collaboration: Partner with designers, engineers, and product managers to drive a unified design and development process.
• Componentization & Standardization: Implement a scalable component-based architecture that speeds up development and ensures consistency.
• Design System Evolution: Continuously improve and refine our design system by incorporating user feedback, technical advancements, and business needs.
• Documentation & Advocacy: Create thorough documentation and advocate for design system best practices across engineering teams.
• Innovation & Experimentation: Explore emerging technologies, frameworks, and tools to push the boundaries of our design system.
  
  

What skills & expertise are we looking for?

• Expertise in UI Development: Strong proficiency in React (preferred), Vue, or Angular, with a deep understanding of modern JavaScript (ES6+), TypeScript, and CSS-in-JS solutions.
• Design System Experience: Hands-on experience building, maintaining, and scaling design systems for web applications.
• Component-Driven Development: Experience with tools like Storybook for developing, testing, and documenting UI components.
• CSS Mastery: Strong understanding of CSS methodologies (BEM, CSS Modules, Tailwind, Styled Components, etc.), responsive design, and animations.
• Accessibility & Performance: Strong knowledge of ARIA roles, WCAG compliance, and frontend performance optimization techniques.
• Version Control & CI/CD: Experience with Git, automated testing, and CI/CD workflows for frontend development.
• Collaboration & Communication: Ability to work closely with designers and developers, translating design concepts into fully functional UI components.
  
  

Your Profile Would Stand Out If You Have:

• Experience working in SaaS, enterprise, or developer-focused products.
• Knowledge of frontend performance profiling and optimization techniques.
• Experience working with Figma, Tokens Studio, or other design system tools.
• Contributions to open-source design system projects or prior experience working on an internal UI framework.
• Passion for building scalable, maintainable, and accessible design systems.
  
  

Minimum Qualifications:

• Bachelor's degree in Computer Science, HCI, or a related field, or equivalent practical experience.
• 3 - 6 years of experience in frontend development, with at least 1 year focused on design systems or UI frameworks.
• A strong portfolio or GitHub repository showcasing UI component work and design system contributions.
  
  

Who Are We Looking For?

We're seeking individuals with a startup mindset—those who bring flexibility to adapt to evolving priorities, agility to deliver quickly and iteratively, and tenacity to overcome challenges and drive impactful solutions. If you thrive in a dynamic, innovative environment and are passionate about shaping the future of Design Systems, you'll fit right in at Tessell.

How to Apply:

If you're passionate about building the foundation of great user experiences and want to contribute to a scalable and impactful design system, we'd love to hear from you!

📩 Apply now with your resume, portfolio, or GitHub repository that showcases your best work through our Google Form. For any questions, reach out to us at [email protected]