Senior LLM Engineer (Barcelona)

Senior LLM Engineers & Researchers

Location: Barcelona, Madrid, Zaragoza, San Sebastian (on-site with some flexibility)

We are partnering with a well-funded, rapidly scaling deep-tech company operating at the intersection of advanced AI and next-generation computing to find their next Senior LLM Engineers & Researchers. Their team combines world-class researchers and engineers working on cutting-edge challenges in large-scale LLM model development, optimization, and deployment. This is an opportunity to join a highly technical environment where you will directly contribute to the future of large language models - not just apply them.

Responsibilities

• Design and train transformer-based models from scratch, including large-scale pretraining pipelines
• Contribute to post-training workflows such as SFT, RLHF, and DPO
• Build and optimize large-scale data pipelines for training and evaluation
• Improve model performance through ...