Software Engineer, Model Lifecycle and Signals

📋 Description

• Get new frontier models into users' hands the day they're ready, and retire old ones without anyone
• Evaluate internal and external preview models before launch and give meaningful feedback to the
• Build Cursor Router: decide which model handles each request, balancing quality, speed, and cost at
• Build the eyes and ears of the product, and the experimentation platform that puts them to work

🎯 Requirements

• You're an exceptional engineer with a track record of shipping production systems people rely on.
• You've built and operated evaluation, measurement, or model serving systems, such as AI evals
• You're fluent with data and can collaborate effectively with data scientists and researchers.
• You have strong taste and real curiosity about model and agent behavior. You try new models the day