Pre-Training AI Research Engineer | Safe & Scalable ML

Anthropic Limited; San Francisco, Seattle, New York (CA, WA, NY); Hybrid; USD 500,000 - 850,000; Full time

Benefits offered by this job

Equity donation matching

Generous vacation

Parental leave

Flexible working hours

Office space

Job summary

Anthropic is seeking a Research Engineer to join our Pre-training team, developing the next generation of large language models. You will work at the intersection of cutting-edge research and practical engineering to advance safe, steerable AI systems.

You'll lead small projects, design and run experiments, and help optimize training infrastructure while collaborating across a skilled team dedicated to responsible AI research and society-impactful outcomes.

Qualifications

• Advanced degree (MS or PhD) in Computer Science, Machine Learning, or related field.
• Strong software engineering skills with a track record of building complex systems.
• Expertise in Python and deep learning frameworks (PyTorch preferred).
• Familiarity with large-scale ML, especially language models.
• Ability to balance research goals with practical engineering constraints.
• Strong problem-solving and results-oriented mindset.
• Excellent communication and collaboration skills.
• Care about the societal impacts of your work.

Responsibilities

• Research and implement solutions in model architecture, algorithms, data processing, and optimizer development.
• Independently lead small research projects while collaborating with team members on larger initiatives.
• Design, run, and analyze scientific experiments to advance our understanding of large language models.
• Optimize and scale our training infrastructure to improve efficiency and reliability.
• Develop and improve dev tooling to enhance team productivity.
• Contribute to the entire stack, from low-level optimizations to high-level model design.

Skills

Python

Deep learning

PyTorch

Large-scale ML

Software engineering

Research mindset

Communication

Education

MS/PhD in CS/ML

Tools

GPUs

Kubernetes

OS internals

Job description

Anthropic is seeking a Research Engineer to join our Pre-training team, developing the next generation of large language models. You will work at the intersection of cutting-edge research and practical engineering to advance safe, steerable AI systems.

You'll lead small projects, design and run experiments, and help optimize training infrastructure while collaborating across a skilled team dedicated to responsible AI research and society-impactful outcomes.