Senior Staff Research Scientist

DeepL is seeking a Senior Staff Research Scientist to lead the design, implementation, and deployment of cutting-edge reinforcement learning and post-training research. The role focuses on building state-of-the-art pipelines and ensuring high-quality model updates to align them with human intent. They are seeking a scientist with a deep technical background, strong leadership skills, and experience in reinforcement learning.

Requirements

• PhD (or equivalent experience) in Computer Science, Machine Learning, Applied Mathematics, Physics or a related field
• 5+ years of experience in ML research
• Strong expertise in deep reinforcement learning (RLHF/RLAIF/RLVR)
• Hands-on experience scaling and deploying LLMs in real-world systems
• Strong programming skills and experience with large compute clusters and ML infrastructure
• Excellent communication skills

Benefits

• Competitive benefits