# ML Engineer Intern | Summer 2026 at Crustdata

- Company: Crustdata (YC F24)
- What the company does: Real-time B2B data via simple APIs. Backed by Y Combinator.
- Company website: https://crustdata.com
- Type: Startups (AI role)
- Level: Internship
- Location: San Francisco, CA, US
- Work setup: On-site
- Posted: 2026-03-17
- Apply by: 2026-10-08
- Apply: https://www.ycombinator.com/companies/crustdata/jobs/NS9hTSC-ml-engineer-intern-summer-2026
- Page: https://www.1752.vc/careers/jobs/crustdata-ml-engineer-intern-summer-2026/

## About the role

Skills: Python, PyTorch, NLP, LLMs, Information Retrieval, Entity Resolution, Text Classification We're building the gateway to the internet for AI agents. Our APIs already power hundreds of customers — and we went from 0 to $10M+ ARR in our first 18 months. Now we need someone who can push the boundaries of what our ML systems can do.

## What they're looking for

- Currently pursuing a Master's or PhD in Computer Science, Machine Learning, NLP, or a related field
- Strong fundamentals in NLP, information retrieval, or entity resolution — through coursework, research, or side projects
- Familiar with transformer architectures — you've trained or fine-tuned encoder models, not just called APIs
- Experience building retrieval systems, classifiers, or embedding models (in academic or personal projects)
- Exposure to contrastive learning, metric learning, or representation learning
- Have used LLMs for structured extraction, classification, or data generation

Tags: Engineering