Senior Software Engineer, Annotations — Build AI Data Workflows

Handshake is hiring a Senior Software Engineer for the Annotations team to build systems powering high-quality human data for frontier AI companies. You will work at the intersection of product engineering, distributed systems, and AI data operations, designing tools to manage annotation projects and scale expert workflows. This high-ownership role collaborates with product, design, data, operations, and engineering to turn ambiguous problems into reliable, intuitive software across the#J-18808-Ljbffr