Senior Designer - Design Systems

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Cupertino, CA, USA
In-Office
130K-140K Annually
AdTech • Marketing Tech
The Role

The Critical Mass team in Cupertino sits and works should-to-shoulder with our client. We create applications which drive one of the world’s most trafficked websites. We play an active role helping our client connect their consumers globally through mobile, digital, and in-store experiences

The Senior Designer specializes in Design Systems, collaborating with creative and technical teams to develop elegant, cohesive visual designs for websites, marketing, event emails, and select non-interactive elements. This hands-on role balances creativity and logic, ensuring a holistic approach across typography, iconography, motion, and interface design.

The ideal candidate has strong communication and presentation skills and contributes to positive collaboration with multi-disciplinary team members; a strong understanding of branding principles, style guides, and product design; an elegant design aesthetic, with exceptional attention to detail.

 You will:

  • Contribute to the creation of holistic, elegant design systems with a high degree of polish and attention to detail.
  • Audit current implementations and identify potential areas for simplification and improved consistency.
  • Design with flexibility in mind, ensuring designs are accessible and adaptive to varying workflows, viewports, technologies, and locales.
  • Stress test designs across all possible variations and refine as needed.
  • Create prototypes to convey states, transitions, and/or behaviors.
  • Prepare design files for final documentation.
  • Ensure layout, typography, and specs are pixel perfect.
  • Communicate flexibilities and/or limitations to both designers and development, as needed.
  • Work closely with the Senior Art Director to understand design direction and help inform priorities.
  • Collaborate with Art Directors and larger project teams to explore and iterate on design options.
  • Consult with technical disciplines to ensure designs work within given limitations, and files are prepared with all necessary information to support the design intent.
  • Promote thoughtful and purposeful design, rather than an enforcement of rules.
  • Help define and/or improve how teams collaborate and leverage existing tools.
  • Determine the best medium and optimize design files for creative review – be it print, onscreen visuals, prototype, or code.
  • Create presentation flows that establish and build on a foundation of design rationale.


 You have:

  • Pixel-perfect digital design portfolio highlighting your storytelling and problem-solving capabilities from concept to completion.
  • Keen interest in championing brand identity through a balance of consistency and flexibility.
  • Proficiency in the formal elements of design, with a strong focus on typography, balance, and proportion.
  • Systematic thinker; able to anticipate the impact of design decisions well in advance of their application.
  • Excellent digital file structure and asset management skills.
  • Passion for pixel-perfection and order. Unparalleled attention to detail.
  • Ability to articulate ideas verbally and digitally; be clearly understood by creative, product management, and development staff.
  • Ability to deliver strong design rationale and supporting files in a tight timeframe.
  • Ability to thrive in a challenging, fast-paced, creative workplace.
  • 4-7+ years’ experience in product design (especially for web), defining or extending design systems, and/or working within a brand’s strict style guidelines.
  • Figma, Photoshop and Sketch expertise, including file organization, and preparation of pixel-perfect files for design team use.
  • Clear communication and presentation skills that speak to both creative and technical audiences.
  • Strong understanding of web development, including HTML and CSS.
  • UX and/or UI experience, acuity in iconography, and working knowledge of Principle.
  • Clearly articulate design rationale and any applicable limitations.
  • Participate in healthy debates to ensure design systems are as robust and considered as possible.


What We Offer:

  • Maternity and parental leave extra days
  • Competitive benefits packages
  • Vacation, compassionate leave, sick days, and flex days
  • Access to online services for families and new parents
  • Diversity and Inclusion Board with 13 affinity groups
  • Internal learning and development programs
  • Enterprise-wide employee discounts
  • And more…


We continually review ranges to address skills, experience and markets. Base salaries are determined during our interview process, by assessing a number of factors that include, but aren’t limited to, a candidate’s experience and skills relative to the scope and responsibilities of the position. For current CM employees, tenure will also be a consideration.

Salary Range

$130,000$140,000 USD

Critical Mass is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We do not tolerate discrimination on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status. If you are an individual with disabilities who would like to request an accommodation, please reach out to [email protected].

We are committed to fostering diversity, equity, and inclusion within our candidate pools. 

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com and us.greenhouse-mail.io. We will not use apps such as Facebook Messenger, WhatsApp, or Google Hangouts for communicating with you. We will never ask you to send us money, technology, or anything else to work for our company. If you believe you are the victim of a scam, please review your local government consumer protections guidance and reach out to them directly.

If U.S. based: https://www.consumer.ftc.gov/articles/job-scams#avoid
If Canada based: https://www.canada.ca/en/services/finance/consumer-affairs.html
If U.K. based: https://www.gov.uk/consumer-protection-rights
If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx 

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The Company
Chicago, IL
2,000 Employees
Year Founded: 1996

What We Do

We’re Critical Mass. We are 2,000 inspired humans across 14 offices, setting the right path—not just the next one—for our clients, their customers, and our own colleagues. We work with the best, Apple, Adobe, BMW, Nike, Diageo, Airbnb, BNY and many more, to power connected ecosystems that make brands stand out by driving performance with data, technology, AI, creative and media. We’re a global marketing agency founded in Canada, but digital is our home. If you know us, then you know we’re a special place that attracts big talent and tiny egos. We’re driven, uncompromising and we live our values. We’re Critical Mass, but our friends call us CM. Learn more at criticalmass.com.

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