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European Tech Recruit

Machine Learning Engineer (AI/ML/Quantum) - Hybrid - Barcelona or Madrid

European Tech Recruit
Spain · Temporary · Mid-Senior

Machine Learning Engineer (LLM)


A fantastic opportunity for Jr/Mid level Machine Learning Engineer to join fast-growing deep-tech company, who provide hyper-efficient software to global companies across finance, energy, manufacturing and cybersecurity to gain an edge with quantum computing and artificial intelligence.


**This is initially a Fixed Term Contract - Hybrid from Madrid, Barcelona or Zaragoza**



Responsibilities

• Design and develop new techniques to compress Large Language Models based on quantum-inspired technologies to solve challenging use cases in various domains.

• Conduct rigorous evaluations and benchmarks of model performance, identifying areas for improvement, and fine-tuning and optimising LLMs for enhanced accuracy, robustness, and efficiency.

• Use your expertise to assess the strengths and weaknesses of models, propose enhancements, and develop novel solutions to improve performance and efficiency.

• Act as a domain expert in the field of LLMs, understanding domain-specific problems and identifying opportunities for quantum AI-driven innovation.

• Maintain comprehensive documentation of LLM development processes, experiments, and results.

• Participate in code reviews and provide constructive feedback to team members.



Required Qualifications

• Bachelors/Master's or Ph.D. in Artificial Intelligence, Computer Science, Data Science, or related fields.

• 2+ years of hands-on experience with deep learning models and neural networks, preferably working with Large Language Models and Transformer architectures, or computer vision models.

• 1+ year of hands-on experience using LLM and Transformer models, with excellent command of libraries such as HuggingFace Transformers, Accelerate, Datasets, etc."

• Excellent problem-solving, debugging, performance analysis, test design, and documentation skills.

• Excellent programming skills in Python and experience with relevant libraries (PyTorch, HuggingFace, etc.).

• Experience with cloud platforms (ideally AWS), containerization technologies (Docker) and with deploying AI solutions in a cloud environment

• Excellent written and verbal communication skills, with the ability to work collaboratively in a fast-paced team environment and communicate complex ideas effectively.



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Key Skills

Ranked by relevance

cloud ai artificial intelligence quantum computing containerization machine learning neural networks computer vision deep learning cybersecurity pytorch python docker aws
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Posted
Nov 22, 2025
Type
Temporary
Level
Mid-Senior
Location
Barcelona

Industries

Software Development IT System Custom Software Development Data Infrastructure Analytics

Categories

Design Engineering Information Technology

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