Zillow Group is hiring an AI Applied Scientist - PhD Intern for its Foundational AQ & EQ team. In this role, you’ll conduct state-of-the-art research in foundational models and agentic AI systems, focusing on fine-tuning and reinforcement learning for large language models. You will customize these models for Zillow’s domain and explore automated workflows.
What You'll Do
- Research and develop techniques for fine-tuning LLMs with domain-specific data
- Apply reinforcement learning to optimize model performance for user-centric outcomes
- Design and prototype agentic workflows that can autonomously perform tasks and assist home buyers
- Collaborate with cross-functional teams to evaluate and deploy research prototypes
- Share insights through presentations, documentation, and potentially publications
What We're Looking For
- Currently enrolled in a PhD program in Computer Science, Machine Learning, Artificial Intelligence, or a related field with a strong publication record
- Proficiency in Python and modern ML frameworks (e.g., PyTorch, TensorFlow)
- Strong communication skills and ability to work collaboratively in a multidisciplinary environment
- Strong research mindset, with motivation to publish
- Excited about applying advanced AI methods to impactful, real-world problems
Nice to Have
- Background in one or more of: Advanced research in natural language processing (NLP) and/or reinforcement learning (RL)
- Practical experience fine-tuning and adapting large language models (LLMs) for specific use cases
- Familiarity with the design and implementation of automated/agentic workflows
- Deep understanding of LLMs, hands on experience of post-training with the most popular OSS models
Technical Stack
- Python
- PyTorch
- TensorFlow
- LLMs
Team & Environment
You will join the Applied Science AQ/EQ (Action/Emotion Quotient) Foundation team.
Benefits & Compensation
- Compensation range: $104,000.00 - $166,000.00 annually (specific to CA, CT, MD, MA, NJ, NY, WA, DC, CO, HI, IL, MN, NV, OH, RI, VT)
Work Mode
This position is remote and open to candidates in the United States.
Zillow Group is an equal opportunity employer committed to fostering an inclusive, innovative environment. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.






