Senior Data Scientist (LLMs) – Freelance (Pharma industry)

Gracia101 Talent Solutions; Tarragona; Presencial; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading pharmaceutical consultancy in Tarragona is seeking an experienced Senior Data Scientist to apply advanced machine learning and LLMs in impactful projects. The role involves developing LLM-based solutions and collaborating with stakeholders. Strong Python skills and experience in NLP are required. This is a full-time freelance role with remote work options until the end of the year, with a potential for extension.

Formación

• Proven experience as a Senior Data Scientist focused on LLMs and generative AI.
• Strong proficiency in Python and modern ML libraries.
• Hands-on experience with model development and fine-tuning.

Responsabilidades

• Develop and deploy LLM-based solutions.
• Collaborate with cross-functional stakeholders.
• Design experiments for AI systems.

Conocimientos

Machine Learning

Large Language Models

Python

NLP

Generative AI

Herramientas

PyTorch

TensorFlow

Hugging Face Transformers

LangChain

Descripción del empleo

Overview

Senior Data Scientist to join a client in the pharmaceutical industry on a full-time freelance basis. Apply advanced machine learning and Large Language Models (LLMs) in a highly impactful sector.

Responsibilities

• Developing, fine-tuning, and deploying LLM-based solutions
• Hands-on work 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.