Demo

Senior User Experience Designer

criticalmass
Chicago, IL Full Time
POSTED ON 3/23/2026
AVAILABLE BEFORE 5/23/2026

As a Senior User Experience Designer, you determine the user experience of our clients’ digital products. You have acute self-awareness and deep empathy for both the customer and our clients' goals. Organizing content, developing information architectures, documenting scenarios and use cases, and delivering detailed wireframes and function specifications is your day-to-day. 

You’ll own areas of work from design through to completion—including shaping major features and the design and development process—to ensure that work is reviewed for quality assurance and milestones are met successfully and on time. 


You Will: 

  • Design holistic systems, flows, and interfaces that are simple, elegant, and beautiful through detailed wireframes, visual compositions, and prototypes that communicate design intent and client and user feedback.
  • Draw insights from data provided by web analytics and research studies, and turn those insights into tangible design solutions.
  • Provide guidance to members of the design team, constantly pushing the quality of our work.
  • Collaborate with internal and external engineering teams on all the details that make an experience delightful through the creation and maintenance of design systems or design languages, documentation, and interaction specifications.
  • Manage time effectively and execute according to commitments.
  • Apply a critical lens to your own work and the work of others.
  • Demonstrate team orientation, build rapport with creative teammates, and producers.
  • Clearly articulate complex ideas to both the internal team and client.
  • Lead mid-level project work from a design perspective with autonomy and authority, facilitating design studios and working sessions to help the teams deliver the best possible solutions.
  • Continuously seek to be well-informed regarding new software and design concepts.
  • Understand the process of business development and provide support by conducting relevant research, identifying key insights, and producing pitch materials with guidance from leadership.
  • Contribute to team culture by demonstrating a positive attitude, team-oriented approach, leadership qualities, and openness to learning and feedback.

You Have: 

  • Bachelor's degree preferred, with multidisciplinary background such as psychology, computer science, information sciences, human/computer interface design or commerce/business.
  • 3-5 years of related industry experience in UX, product design, new media, information technology, communications, or library/information science.
  • Effective communication skills, both orally and in a variety of written and diagrammatic forms.
  • Proven interpersonal skills, client relation skills, and ability to work in a team environment.
  • Proven track record of creative thinking and solving challenges with intuitive and engaging design solutions.
  • A thorough, detail-oriented, and highly organized working style with the ability to multi-task and meet tight deadlines.
  • Flexibility and adaptability to fast-paced and changing environments.
  • A deep appreciation and understanding of user experience, including research, user-centered design techniques, information architecture, usability testing—and applying it to create compelling digital experiences for large scale platforms.
  • High proficiency in the use of tools such as Sketch, Omnigraffle, InVision, Principle, and Axure as well as Keynote, Powerpoint, and Adobe Creative Suite.
  • Portfolio of work demonstrating creative thinking, problem solving, process, and quality spanning various digital platforms.
  • Demonstrated expertise and experience with process and business analysis, software development and project processes large scale projects, documentation for development teams, application of content management, personalization, targeting and search systems, and modular design systems. 
  • Familiarity/experience working with WCAG 2.0 A/AA standards.

What We Offer:

  • Global maternity and parental leave 
  • Competitive benefits packages 
  • Vacation, compassionate leave, wellness days, and flex days 
  • Access to online services for families and new parents
  • Early Dismissal Friday’s (off at 3:00 PM local time every Friday) 
  • Diversity and Inclusion Board with 13 affinity groups 
  • Internal learning and development programs 
  • Enterprise-wide employee discounts 

Our new hires & employees are the future of our organization, and we want to set you up for long-term success. In an effort to do so, we expect our team to work from an office a minimum of 3 days a week.

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

$75,000 - $100,000 USD

Critical Mass is an equal opportunity employer. 

Critical Mass uses artificial intelligence in our recruitment process to enhance job postings, filter keywords during the review of prospective candidates, and, in some cases, transcribe interviews with our recruiters. Human review remains central to the process, and all hiring decisions are ultimately made by our team.

The Critical Mass Talent Acquisition team will only communicate from email addresses that use the URLs criticalmass.com, omc.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 

Salary : $75,000

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at criticalmass

  • criticalmass Vancouver, WA
  • As a Copywriter, you are a short storyteller who loves to collaborate with creatives and strategists to bring a digital voice to life. You’ve got the basic... more
  • 15 Days Ago

  • criticalmass Chicago, IL
  • We are seeking an Associate Media Director to be hands-on in planning and activation for both online and offline strategies for a new client in the B2B spa... more
  • 15 Days Ago

  • criticalmass York, NY
  • As the VP of Media, you will lead the development and execution of media strategies across key client accounts. The ideal candidate brings over 10 years of... more
  • 15 Days Ago

  • criticalmass York, NY
  • We are seeking an Associate Media Director to be hands-on in planning and activation for both online and offline strategies for a new client in the B2B spa... more
  • 15 Days Ago


Not the job you're looking for? Here are some other Senior User Experience Designer jobs in the Chicago, IL area that may be a better fit.

  • Informatic Technologies, Inc. Chicago, IL
  • One of our Financial Services Client is looking for a high-energy, "digital-first" Designer to join their evolving Product Marketing team at Client. This i... more
  • 2 Days Ago

  • PTR Global Chicago, IL
  • Our client, a leader in the aviation space, is seeking a Senior UX Designer to join their team on an ongoing contract basis in Downtown Chicago . In this r... more
  • 17 Days Ago

AI Assistant is available now!

Feel free to start your new journey!