Critical Mass · San Francisco
Design
Critical Mass is hiring a Designer (Visual & IA) in San Francisco, California. Posted 9 September 2026. Apply directly on Critical Mass's own careers site — no account needed.
The Designer is responsible for creating and supporting a wide range of high-quality digital and visual design deliverables across different types of creative projects. This role is highly versatile and hands-on, combining strong foundational design skills with an interest in emerging AI technologies and creative workflows.
The ideal candidate is a well-rounded designer who can move comfortably between different types of creative work, from developing digital assets and visual concepts to editing and refining imagery in Photoshop and exploring AI-powered tools and workflows. Experience with prompting, generative AI platforms, and agentic creative workflows is highly valued.
This role requires strong collaboration skills, as the Designer will work closely with Creative Directors, Associate Creatives, and cross-functional teams to develop effective and visually engaging solutions. The ability to adapt to different project needs, learn new tools, and balance creativity with execution will be key to success in this position.
We expect our team to work from an office a minimum of 3 days a week.
You Will
You Have
What We Offer
At Critical Mass, we value our employees and offer competitive compensation and benefits packages. If you’re looking for a challenging and rewarding opportunity to make a significant impact on the lives of our employees, we encourage you to apply for this exciting position today!
The Talent Team at Critical Mass is focused on ensuring we provide the best training, onboarding, and employee experience possible! 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.
The Ask Stems From Our Want To
Strengthen opportunity for continuous learning
Improve collaboration and team relationships.
Increase employee engagement
This work model balances the need for individual flexibility while maintaining the relentless customer focus we provide at CM. We understand that not everyone may feel comfortable with this expectation, so we ask that you please let us know immediately if there are any concerns so we can help navigate accordingly.
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.
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If Costa Rica based: https://www.consumo.go.cr/educacion_consumidor/consejos_practicos.aspx
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