Senior Data Scientist

Gracia101 Talent Solutions; Barcelona; Híbrido; EUR 70.000 - 90.000; Jornada completa

Descripción de la vacante

A leading pharmaceutical project firm is seeking a Senior Data Scientist to contribute to impactful projects using LLMs. This freelance position, based in Barcelona, involves developing and deploying AI solutions while collaborating with various stakeholders. Candidates should have strong Python skills, experience with ML frameworks, and a background in data science. This role offers flexibility with remote work options.

Formación

• Experience as a Senior Data Scientist focusing on LLMs, NLP, and generative AI.
• Proficiency in Python and modern ML libraries required.
• Experience with model development and fine-tuning needed.

Responsabilidades

• Develop and deploy LLM-based solutions for pharma projects.
• Design experiments for generative AI systems.
• Collaborate with cross-functional teams for production-ready solutions.

Conocimientos

LLMs

NLP

Python

PyTorch

TensorFlow

Generative AI

Herramientas

Hugging Face Transformers

LangChain

Descripción del empleo

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.

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.