Senior Data Scientist

Gracia101 Talent Solutions; Valladolid; A distancia; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading talent solutions firm is seeking a Senior Data Scientist specialized in Large Language Models for a freelance role in the pharmaceutical sector. The position entails developing and deploying LLM-based solutions while collaborating with stakeholders. Ideal candidates will have extensive experience with Python and machine learning libraries. This full-time position can be performed remotely, with a contract lasting until year-end and potential for extension.

Formación

• Proven experience in Data Science, focusing on LLMs and NLP.
• Strong Python skills with modern ML libraries.
• Ability to work independently on project delivery.

Responsabilidades

• Develop and deploy LLM-based solutions.
• Collaborate with stakeholders to deliver production-ready products.
• Ensure high-quality data processing and scalable pipelines.

Conocimientos

Experience with LLMs

Proficiency in Python

Knowledge of machine learning frameworks

Hands-on experience with generative AI

Herramientas

PyTorch

TensorFlow

Hugging Face Transformers

Descripción del empleo

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.