Overview
Senior Data Scientist (LLMs) – Freelance (Pharma industry)
We are looking for a Senior Data Scientist to join one of our clients' team (pharmaceutical industry) on a full-time freelance basis. This role is an opportunity to contribute to a client project applying advanced machine learning and Large Language Models (LLMs) in a highly impactful sector.
We need someone able to provide immediate support and improvement on a Gen AI tech stack.
Responsibilities
* Developing, fine-tuning, and deploying LLM-based solutions
* Working hands-on with Python and ML frameworks such as PyTorch, TensorFlow, and Hugging Face Transformers
* Designing experiments and evaluation frameworks for generative AI systems
* Ensuring high-quality data processing and scalable pipelines
* Collaborating with cross-functional stakeholders in the client’s team to deliver production-ready solutions
Requirements
* Proven experience as a Senior Data Scientist, with a focus on LLMs, NLP, and generative AI
* Strong proficiency in Python and modern ML libraries (PyTorch, TensorFlow, Transformers, LangChain, etc.)
* Hands-on experience with model development, fine-tuning, and evaluation
* Ability to work independently and manage end-to-end delivery
* Background in the pharmaceutical or life sciences sector is a plus, but not mandatory
Contract Details
* Location: Barcelona (remote work possible)
* Contract: Freelance, full-time until the end of the year, with potential extension
* Start: ASAP
If you are an experienced Data Scientist with deep knowledge of LLMs and are available for a freelance role, we would be pleased to discuss this opportunity with you.
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