# Machine Learning Research Engineer

**Company**: SpaceXSI
**Location**: Palo Alto
**Work arrangement**: onsite
**Experience**: senior
**Job type**: full-time
**Salary**: $220,000 - $357,000 USD
**Category**: Engineering
**Industry**: Technology

**Apply**: https://cursor.com/careers/sr-model-engineer-rl-data?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply
**Canonical**: https://yubhub.co/job/machine-learning-research-engineer-128d50bf-172/

## Description

We are seeking a Machine Learning Research Engineer to join our team. You will design and run rigorous experiments to improve model capability, develop data recipes, and advance training science.

**Responsibilities:**

- Design and run experiments to measure gains in model capability

- Improve data quality and develop data recipes

- Define metrics for RL data and rewards

- Advance training science and develop post-training recipes

- Build evaluations and targeted tasks to guide investments

- Collaborate with engineers to scale training runs

**Basic Qualifications:**

- 3+ years of experience training large neural networks (1B+ parameters)

- Experience writing production-quality code in Python, PyTorch, JAX, Rust, or C++

**Preferred Skills and Experience:**

- Experience with RL algorithms and language models

- Strong background in RL and machine learning fundamentals

- Excellent programming skills in Python and PyTorch or JAX

- Experience with distributed training and debugging

- Track record of original work in ML

**Additional Requirements:**

- Must be able to work onsite in Palo Alto

**Compensation and Benefits:**

- Annual salary: $220,000 - $357,000 USD

- Comprehensive benefits package, including equity, medical, vision, and dental coverage, 401(k) plan, and more

For more fresh new jobs, check out [yubhub.co](https://yubhub.co/).

## Skills

### Required
- Python
- PyTorch
- JAX
- Rust
- C++
- machine learning
- RL

### Nice to have
- RL algorithms
- language models
- distributed training
- debugging
- ML fundamentals

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Source: [Apply at cursor.com](https://cursor.com/careers/sr-model-engineer-rl-data?utm_source=yubhub.co&utm_medium=jobs_feed&utm_campaign=apply)