Machine Learning Engineer – 9-Month Contract – LLMs

NLP PEOPLE; Madrid; Híbrido; EUR 50.000 - 70.000; Jornada completa

Descripción de la vacante

A leading technology recruiting firm is seeking a Machine Learning Engineer for a 9-month contract in Madrid. This role involves designing and fine-tuning LLMs, developing AI applications, and optimizing model performance. Applicants should have strong skills in Python and PyTorch, along with experience in cloud environments and deep learning. This is a hybrid position offering competitive compensation and requires current authorization to work in Spain.

Formación

• Solid grounding in AI/ML with Python and PyTorch.
• Hands-on experience training and deploying deep learning models.
• Solid mathematical foundations and theoretical understanding of deep learning algorithms.

Responsabilidades

• Design and fine-tune LLMs for real-world use cases.
• Develop applications such as AI agents and RAG systems.
• Benchmark and optimize model performance.

Conocimientos

Python

PyTorch

HuggingFace

English

Deep learning

Cloud platforms

Docker

Educación

BSc, MSc or Ph.D. in AI, Computer Science, Data Science

Herramientas

AWS

Descripción del empleo

Overview

Machine Learning Engineer – 9-Month Contract – LLMs

We’re seeking a number of Machine Learning Engineers to push the boundaries of AI efficiency. Our client’s quantum-inspired compression technology can reduce large language models by up to 95% without accuracy loss and slash inference costs by as much as 80%.

Backed by global investors and major EU support, our client’s technology is already reshaping how AI is deployed worldwide by cutting costs, slashing model sizes, and making systems faster, greener, and more accessible. These are fixed term 9 month contracts, working on a hybrid model in Madrid. You will receive a base salary, plus bonus and retention bonus.

Responsibilities

• Design and fine-tune LLMs for real-world use cases
• Develop applications such as AI agents and RAG systems
• Benchmark and optimize model performance
• Contribute to research and share expertise with the wider team

Qualifications

• Solid grounding in AI/ML with Python and PyTorch
• Hands-on experience training and deploying deep learning models
• Familiarity with HuggingFace, GPU architectures, and cloud environments
• BSc, MSc or Ph.D. in Artificial Intelligence, Computer Science, Data Science, or related fields
• 2+ years of hands-on experience with designing, training or fine-tuning deep learning models, preferably working with transformer or computer vision models
• 2+ years of hands-on experience using transformer models, with excellent command of libraries such as HuggingFace Transformers, Accelerate, Datasets, etc.
• Solid mathematical foundations and theoretical understanding of deep learning algorithms and neural networks, both training and inference
• Experience with cloud platforms (ideally AWS), containerization technologies (Docker) and deploying AI solutions in a cloud environment
• Previous research publications in deep learning or any tech field is a plus
• Fluent in English

If you’re excited by the idea of making AI faster, more sustainable, and globally scalable, we’d love to hear from you.

Additional Information

In accordance with local employment laws, applicants must have current, valid authorisation to work in Spain at the time of application. We are unable to sponsor employment visas for this role. Applications from individuals without existing work authorisation for Spain cannot be considered.

If this sounds interesting and you’d like to learn more, click the link below to apply or email me with a copy of your CV on [contact info to be provided].

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Company

European Tech Recruit

Other

Senior (5+ years of experience) – Tags: Industry, Language Modeling, Machine Learning, Neural Networks, NLP, Spain