Nuvepro - Task Intelligence for the Enterprise
Anthropic· AI Research & Engineering· London, UK

Research Engineer, Pretraining

Classified Tasks (15)

Automate 0%Augment 87%Human-Only 13%

Augment (13)

AI assists, human decides

Develop next-generation large language models as a member of the Pretraining team

technical

Conduct research and implement model architecture solutions

technical

Conduct research and implement algorithmic solutions

technical

Design and implement data processing pipelines for model training

technical

Develop and implement optimizer algorithms and improvements

technical

Design, run, and analyze scientific experiments to evaluate and advance language models

analytical

Optimize and scale training infrastructure to improve efficiency and reliability

technical

Implement low-level performance optimizations for training systems

technical

Design high-level model architectures and features

technical

Develop and improve developer tooling to enhance team productivity

technical

Integrate research findings into production-ready engineering implementations

technical

Implement safety, steerability, and trustworthiness measures in AI systems

technical

Contribute across the full stack, from low-level system work to high-level model design

technical

Human-Only (2)

Requires human judgment

Lead small research projects independently

leadership

Collaborate with team members on larger research and engineering initiatives

leadership

Job description

About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. Anthropic is at the forefront of AI research, dedicated to developing safe, ethical, and powerful artificial intelligence. Our mission is to ensure that transformative AI systems are aligned with human interests. We are seeking a Research Engineer to join our Pretraining team, responsible for developing the next generation of large language models. In this role, you will work at the intersection of cutting-edge research and practical engineering, contributing to the development of safe, steerable, and trustworthy AI systems. Key Responsibilities: Conduct research and implement solutions in areas such as 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 Qualifications: Advanced degree (MS or PhD) in Computer Science, Machine Learning, or a related field Strong software engineering skills with a proven track record of building complex systems Expertise in Python and experience with deep learning frameworks (PyTorch preferred) Familiarity with large-scale machine learning, particularly in the context of language models Ability to balance research goals with practical engineering constraints Strong problem-solving skills and a results-oriented mindset Excellent communication skills and ability to work in a collaborative environment Care about the societal impacts of your work Preferred Experience: Work on high-performance, large-scale ML systems Familiarity with GPUs, Kubernetes, and OS internals Experience with language modeling using transformer architectures Knowledge of reinforcement learning techniques Background in large-scale ETL processes You'll thrive in this role if you: Have significant software engineering experience Are results-oriented with a bias towards flexibility and impact Willingly take on tasks outside your job description to support the team Enjoy pair programming and collaborative work Are eager to learn more about machine learning research Are enthusiastic to work at an organization that functions as a single, cohesive team pursuing large-scale AI research projects Are working to align state of the art models with human values and preferences, understand and interpret deep neural networks, or develop new models to support these areas of research View research and engineering as two sides of the same coin, and seek to understand all aspects of our research program as well as possible, to maximize the impact of your insights Have ambitious goals for AI safety and general progress in the next few years, and you’re working to create the best
Source: Anthropic careers · scraped 2026-05-22
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