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# Machine Learning Engineer

- **Company:** DOORDASH, INC.
- **Location:** New York, NY, United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Python (Programming Language), Machine Learning, Language Modeling, Tensorflow, Pytorch, Large Language Models, Information Technology
- **Published:** October 3, 2026
- **Apply:** https://www.thejobnetwork.com/job/e57ff599-bb1c-4256-8e9d-b0e12050685a/senior-machine-learning-engineer-new-verticals-agentic-foundations

## About the Role

- 3+ years of industry ML experience, including hands-on work building and shipping LLM-based agents (tool use, context management, prompting, guardrails) and improving them with evals and data
- Experience with post-training or fine-tuning of open-weights models (e.g., SFT, preference optimization, or RL), ideally including small language models, and sound judgment on quality, latency, and cost trade-offs
- Strong foundation in NLP and machine learning, with proficiency in Python and frameworks such as PyTorch or TensorFlow
- M.S. or PhD in Computer Science, Statistics, Math, or another quantitative field, or equivalent practical experience, plus a collaborative, growth-minded approach and a drive for measurable impact