Research Engineer / Research Scientist, Tokens

About this role

Anthropic seeks a Research Engineer to build safe, scalable AI systems by working across infrastructure, experiments, and tooling. You'll contribute to large-scale ML projects while maintaining a focus on reliable and interpretable AI development.

What you'll do

• Develop and maintain distributed ML infrastructure and clusters for large-scale training
• Design and run scientific experiments to evaluate ML systems and optimizations
• Improve system throughput, efficiency, and reliability for research workloads
• Build developer tools and improve the research engineering workflow
• Work on transformer model optimization and language model research projects
• Collaborate on data processing pipelines and ETL systems

What they're looking for

• Software engineering and systems programming
• High-performance ML systems and distributed training
• PyTorch, Kubernetes, GPU optimization, or OS internals
• Language model and transformer architecture knowledge
• Reinforcement learning experience
• Large-scale data processing and ETL
• Problem-solving with flexibility and impact focus
• Pair programming and collaborative development

Benefits

• $350,000 - $500,000 annual salary
• Hybrid work arrangement (minimum 25% office time)
• Visa sponsorship available with immigration legal support
• Opportunity to work on AI safety and societal impact
• Collaborative research environment with pair programming culture
• Multiple office locations (NYC, Seattle, San Francisco)