welcome Portrait of Mario Parreño

Hi, I'm Mario Parreño, a Senior Machine Learning Engineer specializing in Agentic AI, RAG, and Computer Vision. I focus on designing scalable AI architectures and autonomous systems that solve complex, real-world problems with precision and efficiency.

About me

I turn complex research into production-grade AI. With a strong background in Computer Vision and NLP, I now focus on building Agentic Systems and Generative AI solutions.

Beyond code, I focus on architecture and impact. I have engineered multi-agent workflows and hybrid retrieval systems that solve ambiguous problems, prioritizing observability and reliability in production.

  • Architected autonomous multi-agent systems using LangGraph.
  • Led a 20-person MLOps team for large-scale data initiatives.
  • Optimized RAG pipelines reducing latency by 10x.
  • Ranked Top 3% Kaggle Expert.

My stack: PyTorch, LangChain, LangGraph, FastAPI, Docker.

Experience

  1. Senior Machine Learning Engineer

    Sword Health 2026 – Present

  2. Senior Machine Learning Engineer

    Newfire 2024 – 2026

  3. Senior Data Scientist

    Cognizant 2022 – 2024

  4. ML Engineer

    Solver IA 2022 – 2023

My Stats

Top Kaggle Expert and published researcher. I turn complex challenges into practical, high-impact AI solutions.

8+
Years experience
10+
Certificates

Now

Building production AI systems at Sword Health, helping scale AI-powered digital physical care with LLMs and agentic workflows.

Personal Projects

Code, write-ups and live demos.

CV

Want the full picture? Click anywhere on this card to open my resume as a PDF. Do not hesitate to contact me if you have any questions.

My Time Zone

CEST