Senior Machine Learning Engineer - LLMs (Contract)HYBRID - Barcelona (RELOCATION IS MANDATORY)€55,000 - €80,000 + Signing BonusBotify Tech has partnered with one of the TOP AI businesses Globally, they are on the lookout for a Senior Machine Learning Engineer with a strong background within LLM's.Key Skills & Experience RequiredProven use of model compression or optimization techniquesHands-on deployment, production, and operation of Machine Learning models and pipelines at scale, including both batch and real-time use cases.Design and lead the evaluation strategy for our Agentic AI and RAG systems, turning customer workflows and business needs into measurable metrics and clear success criteria.Hands-on experience developing or training transformer-based LLMs from scratchParticipate in code reviews, offering thoughtful, constructive feedback to maintain code quality, readability, and consistency.Deep familiarity with transformer architecture, training pipelines, and experimentationDefine and monitor operational metrics (latency, cost, reliability) to ensure evaluations align with production and customer expectations.Work with the analytics team & stakeholders to understand their objectives in support of formulating, optimizing, and productionising ML modelsContribute to expanding and improving the infrastructure to support all stages of the ML model lifecycle and deployment in a production environment.3 years of commercial experience delivering projects end-to-endFor more infoEmail me at ******