Senior LLM Engineer: AI Systems & Model Optimization

barcelona, cataluña, Spain • Posted June 08, 2026

Job Type: Full-time
Location: barcelona, cataluña
Posted: June 08, 2026
Category: Informática y tecnología
Application Deadline: July 18, 2026

Role Description

European Tech Recruit is seeking a Mid/Senior LLM Engineer to join their growing AI team in Barcelona. You will design and optimize methods for LLMs, fine-tune models for performance, and mentor junior engineers. The ideal candidate should have 2+ years of hands-on experience with Transformer models, a Master's or PhD in a relevant field, and strong skills in tools such as PyTorch, AWS, and Docker. This role offers the opportunity to work on groundbreaking AI projects with world-leading experts.
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