Sr. UI Designer

Monolithic Power Systems, Inc. (MPS) is one of the fastest growing companies in the Semiconductor industry. We are worldwide technical leaders in Integrated Power Semiconductors and Systems Power delivery architectures. At MPS, we cultivate creativity, are passionate about sustainability, and are committed to providing leading-edge products and innovation to our customers. Our portfolio of technology helps power our world ---come join our team and see how YOU can make a difference.

Job Description:

Job Title: Senior User Interface Designer

Reports To: Creative Director, Corporate Marketing

Summary

We're seeking a highly experienced and strategic Senior UI Designer to drive the visual direction of our digital experiences across our website, marketing materials, and the front-end interfaces of our proprietary software applications. This role will be pivotal in expanding our foundational brand elements, defining global brand guidelines for web experiences, and establishing a robust and scalable design system to ensure consistency and efficiency across all customer-facing touchpoints. You’ll be a key driver in transforming how we approach digital design, fostering a collaborative environment between Creative, Product, and Development teams. This role is responsible for owning projects end-to-end, implementing best-in-class processes, and significantly impacting our brand’s digital presence, with a strong emphasis on system-level design and visual consistency.

Responsibilities

• Lead visual and UI design for a range of digital experiences for the web and software interfaces.
• Develop and maintain our design system, including components, variables, and style guides, optimized for both web and software applications.
• Define and uphold brand guidelines for all digital touchpoints, ensuring brand consistency.
• Collaborate closely with developers throughout the project lifecycle – from seamless design handoff and usability testing to iterative design improvements.
• Lead product-focused web projects partnering with designers, writers, and digital marketing teams to create compelling campaign experiences.
• Partner with product teams to understand web experience needs and recommend holistic design solutions for significant updates and improvements.
• Drive improvements to design and development workflows by implementing best practices for responsive web solutions and reusable UI components.
• Conduct user research and create high-fidelity mockups, prototypes, and visual assets.
• Ensure all designs adhere to accessibility standards and platform-specific UI conventions.

Qualifications

• 5+ years of professional experience as a Visual Designer, with a demonstrated focus on building and implementing design systems for both web and software applications.
• Expert-level proficiency in Figma, including advanced features like component creation, auto layout, variants, and team libraries. Must be comfortable leading others in Figma best practices.
• A compelling online portfolio showcasing a strong understanding of design principles, user-centered design, and extensive experience with design systems.
• Solid understanding of front-end development technologies (HTML, CSS, JavaScript) and how they relate to design implementation. Experience working directly with developers is essential.
• Experience defining and documenting brand guidelines for digital experiences.
• Deep knowledge of accessibility standards (WCAG) and best practices.
• Exceptional communication, presentation, and interpersonal skills. Ability to lead projects, present design rationale, and effectively collaborate with cross-functional teams.
• Demonstrated ability to manage multiple web projects simultaneously, prioritize tasks, and meet deadlines.
• Strong analytical and problem-solving skills with a proactive, self-directed approach.

* This is a hybrid position - Employees are entitled to 5 remote work days a month.

Monolithic Power Systems, Inc. (MPS) is an Equal Opportunity Employer and embraces diversity in our employee population. It is the policy of MPS to provide equal opportunity to all qualified applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability, protected veteran status or special disabled veteran, marital status, pregnancy, genetic information, or any other legally protected status.