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Pedro José Ribeiro

@pedrojosribeiro

Research engineer at INL building ML for textile science, including a production-deployed multimodal characterization system.

Portugal
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At International Iberian Nanotechnology Laboratory (INL), I built the data and ML foundation for a private textile dataset combining microscopy, NIR and FTIR spectroscopy, depth maps, and structured metadata across approximately 20,000 samples.

I developed multimodal models for fabric structure, composition, GSM, and stitch density estimation. I also co-invented a patent-pending microscopy, spectroscopy, and ML system deployed in production at an industrial textile manufacturer.

At University of Coimbra – Instituto de Telecomunicações, I implemented distributed GEMM and multilayer-perceptron training and inference kernels in C for commercial UPMEM processing-in-memory DIMMs. This work produced two first-author papers and open-source implementations.

My other work includes accelerating YOLO-based colorectal-polyp detection by 1.8× and contributing a fix to the nirs4all NIR spectroscopy ML library. I’ve also co-supervised BSc and MSc students on machine-learning research projects.

Experience

Work history, roles, and key accomplishments

FW

Part-time freelancer

Freelance work

Mar 2026 - May 2026 (2 months)

Built a RAG-based LLM-as-judge agent for a startup's client pitch, scoring online replies for safety, personalization, and policy compliance.

UT

AI Researcher

University of Coimbra – Instituto de Telecomunicações

Jan 2022 - Jul 2023 (1 year 6 months)

Implemented distributed GEMM and MLP training/inference kernels for processing-in-memory hardware, achieving up to 260x speedup over CPU baseline. Collaborated with ETH Zürich and UPMEM, producing first-author papers and open-source implementations.

Education

Degrees, certifications, and relevant coursework

Instituto Superior Técnico, University of Lisbon logoIL

Instituto Superior Técnico, University of Lisbon

Postgraduate Diploma, Deep Learning

2026 - 2026

Grade: 19/20

Postgraduate Diploma in Deep Learning with a grade of 19/20.

Instituto Superior Técnico, University of Lisbon logoIL

Instituto Superior Técnico, University of Lisbon

Postgraduate Diploma, Data Science and Unsupervised Analysis

2022 - 2022

Grade: 17/20

Postgraduate Diploma in Data Science and Unsupervised Analysis with a grade of 17/20.

University of Coimbra logoUC

University of Coimbra

Integrated MSc, Electrical and Computer Engineering

2014 - 2021

Grade: 16.5/20

Integrated MSc in Electrical and Computer Engineering with a thesis grade of 19/20 and honor roll (top 3%).

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