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

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

Descripción de la vacante

A leading talent solutions firm in Spain is seeking an experienced Senior Data Scientist to develop and deploy LLM-based solutions. The ideal candidate will have expertise in Python and popular ML frameworks such as PyTorch and TensorFlow. This full-time freelance position allows for remote work and the potential for contract extension. If you possess deep knowledge of generative AI, we invite you to apply.

Formación

• Proven experience as a Senior Data Scientist, specifically with LLMs and NLP.
• Strong proficiency in modern ML libraries.
• Hands-on experience with model development and fine-tuning.

Responsabilidades

• Develop and deploy LLM-based solutions.
• Design experiments and evaluation frameworks for generative AI systems.
• Collaborate with stakeholders to deliver production-ready solutions.

Conocimientos

Experience with LLMs

Proficiency in Python

Experience with PyTorch

Experience with TensorFlow

Knowledge of generative AI

Herramientas

Hugging Face Transformers

LangChain

Descripción del empleo

Role Overview

The Senior Data Scientist will be responsible for :

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.