Mid/Senior AI LLM Engineer (Fully Remote)

Fine-tune and optimize open-weight LLMs to improve conversational quality and personalization.Prepare and manage training datasets, design evaluation frameworks, and deploy models to production.Collaborate with cross-functional teams to enhance memory, multilingual interactions, and model safety.Requirements:Strong experience fine-tuning open-weight LLMs and deploying them in production.Proficiency in Python, PyTorch, Hugging Face, and model adaptation techniques like LoRA/QLoRA.Ability to work independently in a remote environment and drive measurable improvements.Fully remote work within Europe with long-term collaboration.20 paid leave daysmonthly health insurance allowance.Equipment budgetAI toolslearning & development support.Partner CompanyThis company builds innovative consumer-facing AI products powered by self-hosted large language models. They operate a remote-first culture across Europe, emphasizing collaboration, continuous learning, and technical excellence.