Role Overview

At Centaur, we label data at scale to enable breakthroughs in AI, particularly in industries like medicine. Our novel approach uses collective intelligence to aggregate medical opinions from experts and students worldwide. Our labeling customers include leading AI startups and prominent research organizations. We are a small, tight-knit team headquartered in Boston. We are funded by leading investors including Y Combinator, SignalFire, Matrix Partners, and Accel.

We're looking for a thoughtful and versatile Product Designer to lead design across our mobile app (DiagnosUs), web platform, and marketing surfaces. As the first designer on the team, your work will form the foundation for design at Centaur. You'll have a high degree of ownership and the opportunity to shape our product experience, visual language, and design culture from the ground up. This is a role for someone who thrives in ambiguity, is comfortable wearing multiple hats, and is excited to collaborate directly with product, engineering, and growth to create elegant, user-centered solutions.

What You’ll Do

• Own design end-to-end for our mobile app (DiagnosUs) and our web client portal
• Develop user journeys, wireframes, mockups, and prototypes that clarify interaction flows and improve usability
• Partner with product and engineering to bring features from concept to launch
• Design thoughtful UI components and maintain a cohesive visual language across platforms
• Conduct user research, gather feedback, and iterate quickly
• Support marketing initiatives by creating visual assets and maintaining brand consistency across communications
• Use data and experimentation to drive design decisions

You Might Be a Fit If You...

• Have 3 - 6+ years of product design experience, preferably in startups or fast-paced environments
• Are strong in both interaction and visual design
• Have experience designing for mobile and web apps
• Experience designing for both iOS and Android platforms, understanding platform-specific guidelines
• Are comfortable working cross-functionally and proactively shaping product direction
• Are curious, self-directed, and excited about working on a product that supports cutting-edge AI

Bonus Points

• Familiarity with healthcare, AI, or data labeling tools
• Experience with growth, gamification, or marketplace products
• Fluency in Figma or other design tools
• Some front-end chops or a background in content design
• Degree in Design, HCI, or a related field is a plus, but not required

Don’t meet every requirement? At Centaur Labs, we are dedicated to building a diverse, inclusive, and authentic workplace. So, if you’re excited about this role but your experience doesn’t perfectly align with every qualification in the job description, we encourage you to apply anyway. You might just be the right candidate for this or other roles!

Why Join Centaur?

This is an excellent opportunity for a Product Designer professional to contribute to a growing company. If you are eager to take on new challenges and help shape our product as we expand, we’d love to hear from you!

• Competitive salary and equity
• Benefits include health insurance, 401k plan, professional development stipend, and partially reimbursed coworking space
• Work from wherever — your home, a coworking space, our office space in Boston, or a hybrid! (typical working hours are 9:30-6)
• Vacation and leave: Four weeks of paid vacation plus 11 annual paid holidays and generous parental leave
• Fabulous company culture centered around our values:
  • Act with integrity: We always do what is right for ourselves, our team, our customers, our community and the world.
  • Create change: Believe in ideas that seem unrealistic or unconventional. Take initiative to improve the company and the world, unprompted.
  • Keep learning: Seek out opportunities to ask questions, test assumptions, learn, and improve. Stay curious.
  • Every voice counts: Collective intelligence is core to our company. Speak your mind. We are more than the sum of our parts.