RL Research Engineer: Safe, Scalable AI Systems

Anthropic; Greater London; Hybrid; GBP 260,000 - 630,000; Full time

Job summary

Anthropic is seeking a Research Engineer specializing in Reinforcement Learning to advance large language model capabilities. This role involves collaborative research and engineering, focused on optimizing core reinforcement learning infrastructure and driving performance through novel methodologies. We're looking for candidates proficient in Python, with strong experience in machine-learning frameworks and systems design. The position offers a salary range of £260,000–£630,000 GBP and requires a Bachelor's degree or equivalent, along with a commitment to AI safety and benefits.

Qualifications

• Proficient in Python and async/concurrent programming frameworks like Trio.
• Experience with machine‑learning frameworks (PyTorch, TensorFlow, JAX).
• Can balance research exploration with engineering implementation.
• Strong systems design and communication skills.

Responsibilities

• Collaborate with researchers and engineers to advance capabilities of large language models.
• Implement novel approaches while contributing to research direction.
• Architect and optimize core reinforcement learning infrastructure.
• Drive performance improvements through profiling and optimization.

Skills

Python

Async/concurrent programming frameworks

Machine-learning frameworks (PyTorch, TensorFlow, JAX)

Strong systems design

Communication skills

Education

Bachelor’s degree or equivalent

Tools

Kubernetes

Distributed systems

Rust or C++

Job description

Anthropic is seeking a Research Engineer specializing in Reinforcement Learning to advance large language model capabilities. This role involves collaborative research and engineering, focused on optimizing core reinforcement learning infrastructure and driving performance through novel methodologies. We're looking for candidates proficient in Python, with strong experience in machine-learning frameworks and systems design. The position offers a salary range of £260,000–£630,000 GBP and requires a Bachelor's degree or equivalent, along with a commitment to AI safety and benefits.