Professional with extensive experience at the intersection of digital signal processing, machine learning, and natural language processing, backed by a strong track record in audio synthesis, applied AI, and open-source development. Specialized in designing efficient algorithms, developing and translating state-of-the-art research into robust software systems, and leading research teams in both academic and industrial contexts.
Key roles and responsibilities included: -
Administration of the International Relations undergraduate
program
Responsibilities included visual identity creation, academic performance
analysis, and evaluation of scholarly production metrics - End-to-end
management of the Philosophy graduate
program
Responsibilities included maintaining the program website, reporting to
national evaluation bodies, and analyzing scholarly output - Service as
vice-chief of the IFCS financial
center
Assisted in budget planning, execution, and oversight of institutional
projects - Supervision of document flow and compliance
processes within IFCS
Implemented automation and digitalization solutions to improve
efficiency, traceability, and institutional governance
PhD in Industrial Engineering and Management (Revalidation 320240067419) U.PORTO (Porto University) (07/03/2024)
PhD in Production Engineering UFF (Fluminense Federal University) (01/08/2018 - 28/07/2022)
Visiting Research Fellow at ICCMR University of Plymouth (01/01/2020 - 31/03/2020)
MSc in Production Engineering UFF (Fluminense Federal University) (01/03/2017 - 31/07/2018)
Bachelor’s Degree in Production Engineering CEFET (Federal Center of Technological Education) (01/03/2010 - 01/12/2015)
2025 - CodeWeaver. Command-line tool that
transforms your codebase into a single, navigable Markdown document.
2025 - CloudMapper. Command-line utility
designed to help you understand and Analyze your cloud storage.
2024 - Dead Simple Blog Generator. Command-line tool that
transforms a directory of Markdown and/or HTML files into a static
website.
2023 - Piano Forte. Piano synthesizer based
on a lightweight (~600KB, ~150k parameters) neural network and a novel
representation for Quasi-Periodic signals.
2022 - Omnes Sonos. The first plugin to leverage neural networks to sound synthesis in real-time.
2022 - Harmonic Compression. Lossy compression codec based on pseudo cycles segmentation. Registered in Brazil under the number BR512022000697-9.
2021 - Mark Book. Cross-platform songbook developed in Flutter. Available for Windows, Android and Web. Registered in Brazil under the numbers BR512022000618-9 BR512022000620-0.
2021 - Signal-envelope. A Python module to extract the envelope of digital signals. Registered in Brazil under the number BR512022000622-7.
2021 - BibRust. Bibliographic manager made in Rust. Registered in Brazil under the number BR512021000226-1.
2020 - Neural Piano. Neural networks based piano software. Registered in Brazil under the number BR512020001653-7.
2018 - SongB. A minimalist songbook app with chord detection, easy chord repositioning and optimized C++ code. Registered in Brazil under the number BR512020001654-5.
Valdecy Pereira | Marcio Basilio | Carlos Tarjano : Enhancing decision analysis with a large language model: pyDecision, a comprehensive library of MCDA methods in Python. Journal of Modelling in Management, August 2025. doi.org/10.1108/JM2-04-2024-0118.
Valdecy Pereira | Marcio Basilio | Carlos Tarjano : PyBibX - a Python library for bibliometric and scientometric analysis powered with artificial intelligence tools. Data Technologies and Applications, Volume 59, Issue 2, January 2025. doi.org/10.1108/DTA-08-2023-0461.
Carlos Tarjano : A general algorithm for the real-time emulation of pitched musical instruments and the singing voice. PhD Thesis - Production Engineering - Fluminense Federal University, 2022. dx.doi.org/10.22409/TPP.2022.d.11839251743.
Carlos Tarjano | Valdecy Pereira : An Efficient Algorithm For Segmenting Quasi-Periodic Digital Signals Into Pseudo Cycles: Application in Lossy Audio Compression. IEEE/ACM Transactions on Audio Speech and Language Processing, Volume 30, May 2022. doi.org/10.1109/TASLP.2022.3171969.
Carlos Tarjano | Valdecy Pereira : Envelope estimation using geometric properties of a discrete real signal. Digital Signal Processing, Volume 120, January 2022. doi.org/10.1016/j.dsp.2021.103229. Early manuscript available at arxiv.org/abs/2009.02860.
Carlos Tarjano | Valdecy Pereira : Signal-Envelope: A C++ library with Python bindings for temporal envelope estimation. arXiv, October 2021. doi.org/10.48550/arXiv.2110.11807.
Carlos Tarjano | Valdecy Pereira : Neuro-Spectral Audio Synthesis: Exploiting characteristics of the Discrete Fourier Transform in the real-time simulation of musical instruments using parallel Neural Networks. Lecture Notes in Computer Science Volume 11730, September 2019. doi.org/10.1007/978-3-030-30490-4_30.
Carlos Tarjano | Valdecy Pereira : Simulação de instrumentos musicais acústicos em tempo real utilizando redes neurais paralelas no domínio da frequência. Anais do XXXIX Encontro Nacional De Engenharia De Produção - ENEGEP, 2019. dx.doi.org/10.14488/ENEGEP2019_TN_STO_292_1654_37336.
Carlos Tarjano | Ruben Gutierrez | Valdecy Pereira : Traditional and alternative bibliometric indicators: assessing the evolution of interest in project management paradigms. Anais do XXXIX Encontro Nacional De Engenharia De Produção - ENEGEP, 2019. 2594-9713.
Carlos Tarjano : Redes neurais aplicadas à modelagem de instrumentos acústicos para síntese sonora em tempo real. Master’s Degree Thesis - Production Engineering - Fluminense Federal University, 2018. dx.doi.org/10.22409/TPP.2018.m.11839251743. Available online(Portuguese).
Carlos Tarjano | Valdecy Pereira : Neural Networks as a Tool for Big Data: The State of the Art. Anais do I Simpósio Internacional de Network Science - SINS, 2017. networkscience.com.br/anais/.
Carlos Tarjano | Magda Leite | Paula Purcidonio : O Processo de Desenvolvimento de Produtos em Startups Baseadas em Inovação Criativa. Espacios. Vol. 37 (Nº 07). Pág. 6, 2016. 0798 1015.
2025 - Conference. Energy Technology Open Day. Presentation: Language Models for Automatic Feature Engineering. Porto, FEUP (October 15th).
2025 - Conference. Conferência ATE: Liderar a mudança: soluções para um novo paradigma energético. Stand showcasing the CLOUDIA4.eu platform MVP, the Voltus Feature Store, and synthetic time series generation results. I was particularly responsible for the Voltus Feature Store. Porto, Super Bock Arena (June 26th).
2025 - Blog. The Fortnightly Tambourine. A blog with the objective of popularizing science.
2025 - Peer Review. Article peer Review for EURASIP Journal on Audio, Speech and Music Processing.
2025 - Peer Review. Article peer Review for Journal of informetrics.
2023 - Competition. Neural Audio Plugin Competition. Organized by The Audio Programmer and Neutone. Presentation of the Piano Forte project.
2023 - Funding. Auxílio à Pesquisa - Pesquisa Inovativa em Pequenas Empresas - PIPE. Elaboration of a successful funding proposal for the Brazilian Agency FAPESP, securing a total funding of R$ 1.000.000,00 (Approximately 160.000 Euros). More details at orcid/funding.
2023 - Interview. Adeus aos longos formulários: como especificar projetos com conversas simples. Interview as Match<IT> Head of Data about conversational agents.
2019 - Conference. XXXIX Encontro Nacional de Engenharia de Produção (ENEGEP). Oral presentation of the paper “Simulação de instrumentos musicais acústicos em tempo real utilizando redes neurais paralelas no domínio da frequência”.
2019 - Conference. XXXIX Encontro Nacional de Engenharia de Produção (ENEGEP). Oral presentation of the paper “Traditional and alternative bibliometric indicators: assessing the evolution of interest in project management paradigms”.
2017 - Conference. I Simpósio Internacional de Network Science (SINS). Oral presentation of the paper “Neural Networks as a Tool for Big Data: The State of the Art”.
2014 - Crowd Funding campaign. Carcara Eco Footwear. Crowd Funding campaign for a line of eco-friendly shoes.
