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# Research / Data Engineer - Post-Training & RL

- **Company:** RnB Consultancy
- **Location:** San Francisco, CA, United States
- **Experience:** Experienced
- **Salary:** $250,000.0 - $300,000.0
- **Contract:** Permanent contract
- **Skills:** Machine Learning, Open Source Technology, Pytorch, Machine Learning Operations
- **Published:** October 13, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=319683f9a14d6d89

## About the Role

* Real depth in ML research (think post-training, RL, evals or interpretability) and serious engineering skills
 * You've post-trained models yourself and built the datasets for it
 * A good eye for data, or the research ability to build that eye fast
 * You read code fast and solve problems quickly in PyTorch and ML pipelines
 * Curiosity that shows: papers, side projects, open source contributions or writing
 * Roughly 3-7 years of experience

Bonus points

 * Both published research and things you actually shipped
 * Domain depth next to ML, such as neuroscience, physics, chemistry or systems
 * Artefacts people use: fast libraries, benchmarks or well-cited papers