Senior ML Engineer (AI Research)

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior ML Engineer (AI Research) based in Spain.

• This is a senior-level machine learning engineering role focused on applied AI research and the development of advanced intelligent systems.
• You will work on research problems spanning reinforcement learning, agentic systems, reasoning models, web-scale data, and efficient model training.
• The role combines rigorous experimentation with strong software engineering and large-scale model development.
• You will design and execute research experiments, investigate new approaches, and translate promising findings into practical AI capabilities.
• Your work may involve distributed training across multiple compute nodes and modern deep learning frameworks and infrastructure.
• You will collaborate with researchers and engineering teams to turn research results into impactful applications and technical contributions.
• This is an opportunity to work on challenging AI problems in a fast-moving, international, research-driven environment.