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Mauricio Rubio RodríguezMR
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Mauricio Rubio Rodríguez

@mauriciorubiorodrgue

Machine learning engineer specializing in LLM optimization, fine-tuning, and production deployment.

Spain
Message

What I'm looking for

I seek roles building and scaling production LLM systems with strong MLOps, collaboration across product teams, and opportunities to work on model compression and distributed training.

I am a machine learning engineer with 4+ years focused on LLM optimization, fine-tuning, and deploying models to production. I deliver measurable improvements in cost and latency through efficient inference pipelines and model optimization.

I've architected and deployed multi-agent LLM systems and production inference pipelines, fine-tuning models such as GPT-4o and integrating APIs (GPT-4/Claude/Gemini) with custom RAG solutions. I curated and validated 10K+ training examples and built evaluation frameworks combining automated testing with human-in-the-loop QA.

My MLOps and data engineering experience includes dataset curation at scale, data cleaning/annotation pipelines, dataset/model versioning, monitoring dashboards, and containerized deployment practices. I achieved an 85% cost reduction and 75% latency improvement through optimization and caching strategies.

I am a fast learner and strong communicator who translates product requirements into technical ML specifications, collaborates across cross-functional teams, and is eager to deepen expertise in model compression, distributed training, and next-generation AI systems.

Experience

Work history, roles, and key accomplishments

FR
Current

AI Product Developer

Freelancer

Jan 2025 - Present (1 year 5 months)

Architected and deployed multi-agent LLM systems for financial and legal workflows, integrating GPT-4/Claude/Gemini APIs with RAG pipelines and delivering validated automated reports for clients.

TI

AI Product Developer

TOMi Inc.

Jan 2023 - Jan 2025 (2 years)

Led end-to-end AI product development for an education platform reaching 1,000,000 students, fine-tuning GPT-4o on 10K+ examples and implementing inference pipelines that cut latency 55% and costs 85%.

Education

Degrees, certifications, and relevant coursework

Universidad Carlos III de Madrid logoUM

Universidad Carlos III de Madrid

Master's Degree, Electronics and Applications Engineering (IoT & Data)

2018 - 2019

Activities and societies: Thesis project: Smartwatch Motion Prediction System; sensor data collection, feature engineering, model training (Random Forest, SVM, Neural Networks), data validation for streaming.

Master's degree in Electronics and Applications Engineering with focus on IoT and data; thesis project on smartwatch motion prediction including end-to-end ML pipeline and model evaluation.

Universidad de Sevilla logoUS

Universidad de Sevilla

Engineer Degree, Electronics and Robotics Engineering

2014 - 2017

Degree in Electronics and Robotics Engineering covering electronics, robotics, and software for embedded systems with practical project experience.

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