Senior Data Scientist

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

Descripción de la vacante

A leading talent solutions provider is seeking a Senior Data Scientist specializing in Large Language Models for a freelance role. The position involves developing and deploying LLM-based solutions, collaborating with teams, and handling production-ready systems. Ideal candidates will have experience in data science with a strong command of Python and machine learning libraries. Remote work is possible, with an urgent start date.

Formación

• Proven experience as a Senior Data Scientist focusing on LLMs and NLP.
• Strong proficiency in Python and modern ML libraries.
• Hands-on experience with model development and evaluation.

Responsabilidades

• Develop LLM-based solutions and deploy them in production.
• Collaborate with cross-functional teams to ensure solution readiness.
• Design experiments and evaluation frameworks.

Conocimientos

LLMs expertise

Python proficiency

Machine Learning libraries

Generative AI knowledge

Herramientas

PyTorch

TensorFlow

Hugging Face Transformers

LangChain

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) 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.

Role Overview

• 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.