Dr. Luiz Celso Gomes-Jr, Assistant Professor
Informatics Department (DAINF)
Federal University of Technology - Paraná (UTFPR)
dainf.ct.utfpr.edu.br/~gomesjr/
Hi! I'm a Senior Software Engineer and Educator at the Recife Center for Advanced Studies and Systems (CESAR), a not-for-profit inovative center in Brazil.
My research and efforts interests are in free software, cyberculture, data privacy, cinema, software engineering and social change.
Senior Software Engineer
Present —
Recife Center for Advanced Studies and Systems (CESAR), Brasil
Aug 2020
Genebra Project: NDA work, enhancing a complex web app with 300+ user stories. Frontend: JavaScript (Ember.js);
Backend: PHP (Symfony, MySQL, OOP).
Jul 2020 —
FullStack Software Developer
Dec 2019
Totalerp, Curitiba, Brasil
Interdisciplinarily bridged gaps between dev and marketing teams. Worked on website, help desk, checkout system, data collection, lead analysis, and product integrations for 6+ months.
Jan 2020 —
Technical Leader and Researcher
Dec 2018
Libreflix Project, São Paulo, Brasil
Worked as DRI for Libreflix, a peer-to-peer video platform supporting Brazilian indie films. Nowa-
days the project has 60K+ registered users, delivering 11TB+ video/month. Tech: Node, MongoDB,
recommender systems, P2P streaming, video processing.
Dec 2019 —
Head of Technology and Co–owner
Feb 2014
Guilst Consulting, Brasil
Co-funded a consultancy agency addressing IT, web development, DevOps, and data analysis, working with 50+ clients in 5 years.
Jul 2013 —
IT Internship
Feb 2013
Prefeitura de Pinhais (City Hall), Pinhais, Brasil
Mentor: Luis Fernando Caroli
Helped in the maintenance of the local network and provided general computer and software support
at the city’s Cultural Center.
Dec 2012 —
Planning and Production Control Apprentice
Feb 2011
Flexiv Móveis de Escritório, Pinhais, Brasil
Mentor: Rafael Roks
First registered job role involved learning and assisting in resource allocation for employee activities, materials, and production capacity at the Production Planning & Control office.
Present -
Tutor Educator
Jan 2021
Recife Center for Advanced Studies and Systems (CESAR School)
Present -
PROJ3: Project 3
2022.1
Software engineering and design thinking project-based undergraduate course with 70+ students, shared by Computer Science and Design programs. Emphasizes object-oriented programming and project management. With Tatalina Oliveira.
2021.2
COMP1: Introduction to Computing
Introductory concepts in programming, databases, networks, and the history of computers. Emphasizes critical thinking and hands-on coding lessons. With Henrique Foresti.
2021.2 -
PROJ2: Project 2
2021.1
Software engineering and design thinking project-based undergraduate course with 100+ students, shared by Computer Science and Design programs. Emphasizes web development and Python. With Nilson Soaraes and Guilherme Pereira.
Sep 2020 —
Federal University of Technology - Paraná (UTFPR), Curitiba, Brasil
Sep 2019
Undergraduate Research Assistant, Informatics Department
Advisor: Luiz Celso Gomes-Jr
Member of the Data Science for a Cause project, exploring data science, information retrieval and data visualization topics to help other interdisciplinary studies with impact on the social good.
Aug 2019 —
Federal University of ABC (UFABC), Brasil
Feb 2019
Free Software Developer, Laboratory of Free Technologies (LabLivre)
Researched and implemented features related to free streaming, exploring concepts of peer-to-peer video distribution, community networks and digital libraries.
Dec 2018 —
Federal University of Technology - Paraná (UTFPR), Curitiba, Brasil
Apr 2018
Undergraduate Research Assistant, Secure Cloud Project
Advisor: Keiko Fonseca, Luiz Gomes-Jr
Explored concepts of data science and security information to implement privacy-preserving recommender systems using trusted execution environments.
2025 - 2027
M.S. in Applied Computing
Federal University of Technology - Paraná (UTFPR), Curitiba, Brasil
2020 - 2024
B.S. in Information Systems
Federal University of Technology - Paraná (UTFPR), Curitiba, Brasil
2018 - 2020
A.S. in Systems Analysis and Development
International Universitary Center (Uninter), Curitiba, Brasil
Associate degree with full-tuition scholarship granted by the institution (2145h)
2014 - 2017
B.S. in Computer Engineering
(not concluded)
Federal University of Technology - Paraná (UTFPR), Curitiba, Brasil
2011 - 2012
Technical/Professional Course in Administration and Industrial Production
National Service of Industrial Training (SENAI), Pinhais, Brasil
Dec 2012
Secondary school
Professor Paulo Freire State School, Pinhais, Brasil
Dec 2018
COOPsx - Economic Democracy: The Cooperative Alternative (18h)
Online learning course of University of Edinburgh
Jul 2017
University extension in Introduction to Astronomy and Astrophysics (30h)
Institute of Astronomy, Geophysics and Atmospheric Sciences (IAG) at University of Sao Paulo (USP), São Paulo, Brasil
May 2016
ANU-ASTRO4x: Cosmology (30h)
Online learning course of Australian National University
Calling Things by Their Correct Name: The Differences Between Free Software and Open Source
Libreflix: A Peer-to-Peer On-demand Video Platform for Free Streaming
Guilmour Rossi, Luiz Gomes-Jr.
XXV Simpósio Brasileiro de Sistemas Multimídia e Web, 2019, Rio de Janeiro
PDF
Slides
Visit
BibTeX
ABNT
Free Streaming: Thinking on a Digital Distribution of the Commons in the Streaming Era
Guilmour Rossi
I Congresso Internacional sobre o Comum e os Commons, 2019, Caxias do Sul
(In press)
Best Paper of the Section
Privacy-preserving Recommendations for Online Social Networks Using Trusted Execution Environments
Guilmour Rossi, Luiz Gomes-Jr., Keiko Fonseca, Marcelo Rosa
XVIII Simpósio Brasileiro em Segurança da Informação e de Sistemas Computacionais, 2018, Natal
PDF
Slides
Blog
BibTeX
ABNT
Jun 2019
Best Paper of the Section (Commons of the Knowledge) at the I International Congress on the Common and the Commons
For the paper "Free Streaming: Thinking on a Digital Distribution of the Commons in the Streaming Era"
Aug 2018
LabLivre Award for Cultural Free Software by Federal University of ABC and Research Development Foundation
1st Place Winner for the work and development related to the Libreflix free software project
2007 - 2012
Secondary School and more
Received over five honorable mentions in secondary school, including recognition for achieving the highest grade in the class, progress in local math Olympiad, and being recognized as an 'example of effort and dedication classmate'.
Jan 2025
Master's Degree Scholarship
Recife Center for Advanced Studies and Systems (CESAR)
Funded approx. R$ 77.342.00
Jul 2021
Full-Tuition Scholarship
Uninter - International Universitary Center
Granted approx. R$ 14.341.04
Aug 2018
LabLivre Development Grant for Cultural Free Software
Federal University of ABC and Research Development Foundation
Funded R$ 54.592,96 (Approx. $ 14.500)
Oct 2019
Brazilian Symposium on Multimedia and the Web
Rio de Janeiro, RJ, Brasil
Fundação Araucária + Special Committee on Multimedia Systems and the Web (CE-WebMedia)
Granted R$ 1.000,00
Jul 2019
Culture and Technology in the Age of Interconnection (Seminar)
São Bernardo do Campo, SP, Brasil
Research Development Foundation (Fundep)
Granted R$ 1.000,00
Oct 2018
Brazilian Symposium on Information and Computational Systems Security
Natal, RN, Brasil
National Council for Scientific and Technological Development (CNPq)
Granted R$ 2.200,00
Free Streaming: Thinking on a Digital Distribution of the Commons in the Streaming Era
Jun 2019
I International Congress on the Common and the Commons, Caxias do Sul, Brasil
Privacy-preserving Recommendations for Social Networks Using Trusted Execution Environments
Oct 2018
18th Brazilian Symposium on Information and Computational Systems Security, Natal, Brasil
Streaming Gratuito de Filmes Livres Mudam a Sociedade para Melhor
Oct 2018
Dev Heart Beer Meetup, Natal, Brasil
Jul 2018
18th International Free Software Forum (FISL), Porto Alegre, Brasil
Ago 2023
"Conheça o Libreflix, plataforma de streaming gratuita", Olhar Digital
Jul 2018
"Cinema nacional independente enxerga no streaming um novo caminho", O Estado de S. Paulo
May 2018
"Brazilian student creates "local Netflix” – an open and collaborative streaming platform", Be Brasil
Apr 2018
"Na faixa e dentro da lei, Libreflix oferece bom catálogo de filmes online", Vice
Apr 2018
"Libreflix é a nova plataforma de streaming totalmente gratuita (e legal)", Magg
May 2012
"Tecnologia transforma alunos em agentes do próprio aprendizado", Gazeta do Povo
OS: GNU/Linux, Windows, Unix Command Line, macOS
Programming: Node.js, Python, C, JavaScript, PHP, Java, Shell Script
Web and Writing: HTML, CSS, LaTeX, Ember.js, Markdown, Flask, Jinja, WordPress
DevOps: GNU/Linux Server Administration, Nginx, Apache, Docker, AWS, Git
Databases: MongoDB, SQL
Data: Recommender Systems, Crawling, Matplotlib, Pandas, Jupyter, ElasticSearch
Portuguese Native proficiency
English Advanced level
Spanish Upper-intermediate level
Organizer
FLISoL - Latin American Free Software Installation Festival.
2023
Project Committee
Animatiba - Animation International Festival of Curitiba. 2020, 2021
Cinefront - International Amazon Border Film Festival. 2021, 2024
Institutional
2016 - 2017
UTFPR Academic Directory of Information Systems and Computer Engineering, Director of Communication
Member
Since 2018
Brazilian Computer Society (SBC)
Since 2019
Data Science For a Cause Project
An updated version of this document can be found at guilmour.org/cv