Freddy Roldan Rivero

Developed bilingual web platforms for US and Portuguese clients, including a daycare enrolment system, an e-commerce site with a RAG agent, and a client onboarding portal. Co-founded a logistics marketplace pre-launch.

Built Python data pipelines for physiological signals and developed ML models for stress and emotion detection.

Reviewed video content for the Google/YouTube project, verifying machine-generated flags and making policy-based decisions. Identified recurring model false positives in sensitive-content detection.

Assisted with stage technical operations at Casa do Artista in Lisbon.

Led the food and beverage team at a luxury hotel, ensuring service quality and operational efficiency.

Certified Trainer (CCP) from IEFP, Portugal.

Activities and societies: Hackshow Winner with 'Diaries of the Upheaval'

Completed a full-time AI Engineering Bootcamp covering deep learning, NLP, computer vision, LLM fine-tuning, LangChain, RAG, and RAG evaluation. Won the Hackshow with a multimodal, multilingual RAG assistant.

Earned a BA in Visual Arts – Multimedia from Universidade de Évora.