Software Engineer, Model Lifecycle and Signals
Core
Bridge frontier models to user-facing products by managing model lifecycle, routing requests, and building evaluation signals.
Role type
Senior IC software engineer (model lifecycle and evaluation)
Builds
Model routing systems (Cursor Router), evaluation platforms, and production pipelines for frontier models
Domain
AI/ML infrastructure, large-scale model serving, product evaluation
Deliverable
production ML models
Required skills
production system design, model evaluation, experimentation platforms, model routing logic, data analysis, stakeholder collaboration
Preferred skills
experience with frontier models, agent behavior analysis, automated evaluation pipelines
Technologies
Colossus supercomputers, Grok models, Cursor products
Responsibilities
Deploy new models to production and retire old ones, evaluate preview models before launch, build model routing logic, develop experimentation and signal platforms
Seniority
Senior, hands-on IC
