Software Engineer, Model Lifecycle and Signals

Quick Facts

• Role: Software Engineer, Model Lifecycle and Signals

Description

Own the bridge between frontier models and user-facing Cursor products by deciding when to use which model, spotting failure modes, and building guardrails to keep models on track. Bring models from preview to production, evaluate internal/external previews, and build the Cursor Router plus experimentation/signal infrastructure that measures where each model shines and what “better” means. Partner with research, inference, product, and data science to turn real-world evidence into improved models and products.

Responsibilities

• Get new frontier models into users’ hands when ready and retire old ones without disruption
• Evaluate preview models before launch and provide meaningful feedback to model-building teams
• Build Cursor Router to route each request while balancing quality, speed, and cost at massive scale
• Build the product’s “eyes and ears” signals and experimentation platform to track performance and define “better”

Requirements

• Bachelor’s degree in computer science, engineering, math, or a scientific discipline OR 2+ years of professional software engineering experience
• Onsite role: must be able to work in person at the New York or San Francisco office

Benefits

• Annual salary range: $140,000–$225,000 USD (level and base salary determined case by case)
• Equity
• Comprehensive medical, vision, and dental coverage
• Access to a 401(k) retirement plan
• Short- and long-term disability insurance
• Life insurance
• Various other discounts and perks