AI Research Engineer – Pre Training (Spain)
We are currently looking for an AI Research Engineer – Pre Training in Spain. This role sits at the core of next-generation AI model development, focusing on advancing large-scale pre-training systems that power state-of-the-art intelligence. You will work on cutting‐edge architectures spanning small, large, and multimodal models, directly influencing model capability, efficiency, and scalability. Operating in a highly research‐driven and distributed engineering environment, you will help push the boundaries of what modern AI systems can achieve. The position combines deep scientific exploration with hands‐on engineering on massive GPU clusters. You will design and optimize training pipelines that run across thousands of NVIDIA GPUs, ensuring performance at scale. This is an opportunity to contribute to foundational AI breakthroughs while collaborating with world‐class researchers and engineers in a fast‐paced, innovation‐focused setting.
Accountabilities
Conduct large‐scale pre‐training of AI models on distributed GPU clusters,



ensuring scalability, stability, and performance
Design, prototype, and optimize novel model architectures, including transformer and non‐transformer approaches
Run experiments, analyze results, and refine methodologies to improve training efficiency and model quality
Identify and resolve bottlenecks in training systems, data pipelines, and model performance
Improve distributed training infrastructure to support next‐generation AI workloads
Collaborate with researchers and engineers to translate experimental ideas into production‐ready training systems
Contribute to the evolution of high‐performance AI training systems and frameworks
Requirements
PhD or strong academic/research background in Computer Science, Machine Learning, NLP, or related fields (preferred)
Hands‐on experience with large‐scale LLM pre‐training on distributed GPU infrastructure (thousands of GPUs)
Strong understanding of transfo

📌 AI Research Engineer (Madrid)
🏢 Jobgether
📍 Madrid