Guilmour Rossi
Undergraduate researcher and free software developer

Hi! I'm an undergraduate student studying Computer Engineering and Information Systems at the Federal University of Technology - Paraná (UTFPR).

My research and efforts interests are in free software, cyberculture, data science, data privacy, astronomy, economics and social change!


Present — B.S. in Computer Engineering, B.S. in Information Systems
2014 Federal University of Technology - Paraná (UTFPR), Curitiba, Brasil

Dec 2012 — Technical/Professional Course in Administration and Industrial Production
Jan 2011 National Service of Industrial Training (SENAI), Pinhais, Brasil

Research Experience

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.

Professional Experience

Recife Center for Advanced Studies and Systems (CESAR), Brasil
Present — Software Engineer II
Aug 2020 Working under a N.D.A. on full-stack development of new features and enhancements for a complex web application with more than five hundred user stories delivered to production environment.

Jul 2020 — Totalerp, Curitiba, Brasil
Dec 2019 Full Stack Developer
I worked interdisciplinary fitting the gap between the dev and marketing team. I spent months thinking and writing back-end and front-end of: the institutional website; the help desk platform; a new checkout system linked with the product; a layer to better data collection and lead analysis; product integrations with e-commerce platforms and more.

Dec 2019 — Guilst Consulting, Brasil
Feb 2014 Co–owner and Head of Technology
A small office offering consulting on management and IT. With our clients, I work directly on a wide range of IT and computing issues, including web development, DevOps activities, data analysis and more.

Jul 2013 — Prefeitura de Pinhais (City Hall), Pinhais, Brasil
Feb 2013 IT Internship
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 — Flexiv Móveis de Escritório, Pinhais, Brasil
Feb 2011 Planning and Production Control Apprentice
Mentor: Rafael Roks
First registered job. Learned and helped on resource allocation of activities of employees, materials and production capacity, in order to accomplish the factory goals.

Complementary Education

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


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   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


2021.1 Teaching Assistant
Recife Center for Advanced Studies and Systems (CESAR School)
I will be a tutor for the Project II course, an undergraduate practical course common to Computer Science and Design programs with more than 50 students enrolled.

Honors and Awards

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
More than five honorable mentions in the secondary school, including mentions for highest grade of the class, local math olympiad progress and "example of effort and dedication classmate".

Grants and Funding

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)

Conference Travel Grants

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

Selected Press

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 2015 "Tecnologia transforma alunos em agentes do próprio aprendizado", Gazeta do Povo

Technology Skills
Subjects, languages and tools I have experience and feel comfortable to explore deep issues related

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


Dr. Luiz Celso Gomes-Jr, Assistant Professor
Informatics Department (DAINF)
Federal University of Technology - Paraná (UTFPR)


Guilmour Rossi

An updated version of this document can be found at