Vinícius Ribeiro

Dublin, Ireland

Senior Machine Learning Scientist

Intercom

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Academic Education

Doctor of Philosophy (Ph.D.) - Computer Science, Deep Learning, Speech Production
Multispeech Research Team
Loria, Inria, CNRS, Univ. de Lorraine

Thesis Title: Deep supervision of the vocal tract shape for articulatory synthesis of speech
Access here

Extracurricular activities:

  • 12th Lisbon Machine Learning School - Instituto Superior Técnico, Lisbon, Portugal (July 2022)
  • 4th International School on Deep Learning - Università Politecnica delle Marche, Universitat Rovira i Virgili & IRDTA, Las Palmas de Gran Canaria, Spain (July 2021)

Master of Science - Electrical Engineering, Deep Learning, Computer Vision
Department of Computer Engineering and Industrial Automation (DCA)
School of Electrical and Computer Engineering (FEEC)
University of Campinas (Unicamp)

Dissertation Title: The Impact of Annotation Quality on Deep Learning for Skin Lesion Segmentation
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Extracurricular activities:

  • Summer School on Data Science for Document Analysis and Understanding - La Rochelle Université & Inria, France (July 2019)

Bachelor of Science - Electrical Engineering
School of Electrical and Computer Engineering (FEEC)
University of Campinas (Unicamp)

Extracurricular activities:

  • Software Engineering Internship - Motorola Mobility, Jaguariúna, Brazil (2015 - 2016)
  • Linear Analysis Lab Teaching Assistant - University of Campinas, Campinas, Brazil (1st Semester, 2015)
  • Academic Internship - Czech Technical University, Prague, Czech Republic (Jan - Feb 2015)
  • Academic Internship - University of Campinas, Campinas, Brazil - Funded by PIBITI/CNPq (2014 - 2015)
  • President of 3E Unicamp - Junior Enterprise, Campinas, Brazil (2013)

Languages

  • Portuguese (Native)
  • English (Fluent)
  • French (Advanced)

Programming and Informatics

Proven professional experiences with the following technologies

  • Python
  • Data Science Frameworks and Tools, e.g., PyTorch, Scikit-Learn, Numpy, others
  • Cloud Computing, e.g., Amazon Web Services, Google Cloud Platform
  • SQL, NoSQL and Graph Databases

Professional Experiences

The following is a selection of my most recent positions. For a complete work history, visit my LinkedIn profile.

Jan 2024 - Current Senior Machine Learning Scientist - Intercom - Dublin, Ireland
  • Fine-tune open-source large language models via supervised fine-tuning and reinforcement learning, with a focus on building production-ready agentic AI capabilities
  • Architect AI agent systems; drive model quality through iterative prompt engineering and rigorous A/B experimentation
Oct 2020 - Dec 2023 Doctoral Researcher - Loria - Nancy, France
  • Led deep learning research on articulatory speech synthesis, developing neural network models trained on multimodal physiological and acoustic data
  • Built models for real-time MRI segmentation, articulatory motion tracking, and speech processing
  • Published peer-reviewed, state-of-the-art research at top international conferences and in high-impact journals
Aug 2022 - Dec 2022 Research Scientist Intern - Meta AI - New York, USA
  • Collaborated with Meta AI's Speech Team to investigate alignment techniques for robust wake word detection
  • Delivered research resulting in a first-author publication at Interspeech 2023
Oct 2018 - Oct 2020 Data Science Specialist - Dasa & Nexa Digital - São Paulo, Brazil
  • Developed deep learning models for medical image analysis across CT, MRI, ultrasound, and X-ray modalities
  • Built ML solutions that streamlined clinical workflows and reduced manual effort for medical teams
  • Designed ETL pipelines to extract structured information from unstructured PDF medical reports
  • Established data governance and traceability standards across ingestion, processing, and storage workflows