Build the infrastructure that powers AI

Join a team of 280+ people working to make high-quality training data accessible to every AI team in the world.

Senior Backend Engineer

Build scalable annotation pipelines processing millions of labels daily. Python, Go, distributed systems experience required.

  • San Francisco / Remote
  • Full-time
  • $180K–$240K + equity
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ML Research Scientist

Advance our active learning and model-in-the-loop systems. PhD in ML/CV/NLP preferred. Published research a plus.

  • San Francisco
  • Full-time
  • $200K–$280K + equity
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Frontend Engineer

Build our annotation studio UI — canvas rendering, real-time collaboration, and complex interaction patterns. React, TypeScript, WebGL.

  • San Francisco / Remote
  • Full-time
  • $160K–$220K + equity
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Annotation Operations Manager

Manage global annotator teams, optimize workflows, and ensure quality standards across large-scale labeling projects.

  • Remote (Global)
  • Full-time
  • $120K–$160K + equity
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Enterprise Account Executive

Drive revenue growth by selling to Fortune 500 AI teams. Experience in ML/data infrastructure sales required.

  • San Francisco / New York
  • Full-time
  • $140K–$180K + commission
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Product Manager — Platform

Own the annotation studio product roadmap. Work with engineering, design, and customers to ship features that matter.

  • San Francisco
  • Full-time
  • $170K–$230K + equity
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Don't see the right role?

We're always looking for exceptional people. Send us your resume and we'll keep you in mind.