Software Engineer, Model Lifecycle and Signals

Cursor·New York, NY·Posted 10 November 2026

Apply with a tailored CV View on Cursor's site

About the role

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. SOFTWARE ENGINEER, MODEL LIFECYCLE AND SIGNALS As a Software Engineer on the Model Lifecycle and Signals team at SpaceXSI, you'll own the bridge between frontier models and every user-facing Cursor product, used at a scale few teams ever see. You'll decide when we use which model, spot where models go off track and build the guardrails to keep them on it, and shape what the next generation…

This is a summary of the advert. The full description and the application are on Cursor's careers site.

Apply faster with Prepper

A version of your CV tailored to this Software Engineer, Model Lifecycle and Signals role.
A cover letter written from your CV and this advert.
Prepper can fill in Cursor's application form and send it once you approve.
The application saved in your tracker, with reminders to follow up.

Start free

More roles at Cursor

Prepper is independent and not affiliated with Cursor. Roles are listed from the employer's public careers system and removed when they close.