Staff/Sr. Staff/Principal AI Research Scientist

Skills

About the Role

You will lead an independent, high-impact research agenda on large language models and agentic systems, owning projects from early hypothesis through training, evaluation and production deployment. You will design large-scale post-training experiments, build evaluation benchmarks, develop data synthesis pipelines, shape the model architecture and training roadmap, publish original research, and mentor fellow researchers and engineers.

Requirements

• 7+ years of hands-on ML research experience with deep expertise in LLM pre-training and post-training
• Ph.D. in Computer Science, Machine Learning, NLP or related field, or equivalent demonstrated research experience
• Expert-level knowledge of post-training methods including SFT, RLHF, RLAIF, DPO, GRPO
• Strong command of Python and PyTorch (or JAX)
• Meaningful publication record at competitive ML/AI venues
• Hands-on experience designing or evaluating agentic systems

Responsibilities

• Lead an independent research agenda on large language models and agentic systems
• Design and execute large-scale post-training experiments using SFT, RLHF, RLAIF, DPO and emerging alignment techniques
• Build novel evaluation benchmarks and methodologies
• Develop scalable data synthesis and curation pipelines
• Translate research insights into improvements to enterprise-grade LLMs with research engineering and product teams
• Publish and present original research at top-tier venues
• Mentor and uplevel fellow researchers and engineers

Benefits

• Generous PTO and company holidays
• Medical, dental, and vision coverage
• Paid parental leave (16 weeks)
• Fertility and family planning support
• Early-detection cancer testing through Galleri
• Flexible spending account and dependent FSA
• Health savings account with company contribution
• Wellness stipend
• Learning and development stipend
• Company-wide and team off-sites
• Company stock options
• 401k
• Equity