# Software Engineer, ML Research

**Company:** [Cursor](https://hotfix.jobs/companies/cursor)
**Location:** San Francisco, CA, New York, NY
**Role:** AI Research
**Skills:** Distributed Systems, Reinforcement Learning, PyTorch, TensorFlow, Kubernetes, ML Infrastructure, Data Pipelines, Language Models
**Posted:** 2026-01-27

> Builds distributed training, inference, and data systems for frontier coding models, working with researchers to enable fast iteration. Requires strong infrastructure background and intuitions about language models.

## Job Description

## What you might do
- Build our distributed training, inference, and RL infrastructure
- Write libraries to simplify how researchers do large-scale data jobs
- Architect the systems that turn Cursor user data into effective training data

## You might be a fit if
- You have a strong infrastructure/distributed systems background
- You are able to architect and ship end-to-end with high ownership
- You have strong intuitions about how language models work
- You’re excited to learn more about ML

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**Apply:** https://hotfix.jobs/jobs/b72fd2e8-41fe-4038-a28b-3a948d766250
**Canonical:** https://hotfix.jobs/jobs/b72fd2e8-41fe-4038-a28b-3a948d766250