Víctor Calvo
CTO & VP Engineering at Alubio
Seville, Spain
Summary
🤩
Rockstar🎓
Top SchoolVíctor Calvo is a hands-on CTO and VP Engineering with 11 years of experience turning technical projects and open-source initiatives into sustainable businesses from Seville, Spain. He blends deep systems-level engineering—evidenced by bug fixes in the ReactOS Windows-compatible OS—with product strategy, Big Data and machine learning to discover new revenue streams and scale developer communities. As Chief Strategy Officer at the ReactOS Foundation he multiplied donations twelvefold and tripled developer hiring by creating Compatibility‑On‑Demand programs and data-driven community strategies. He has led SaaS and B2B product launches, mentored Google Summer of Code projects, and taught cloud and data engineering at the Universidad de Sevilla, bridging academic and industry practice. Known for turning weaknesses into monetizable assets, he favors fast PMV launches, gamification, and KPI-led internationalization to drive growth.
11 years of coding experience
1 year of employment as a software developer
Master of Business Administration - MBA, Master of Business Administration - MBA at ENEB - Escuela de Negocios Europea de BarcelonaIngeniería Industrial, Ingeniería Industrial at Escuela Superior de Ingenieros de Sevilla
Stackoverflow
1,985reputation
52kreached
21answers
2questions
amazon-web-services
top-5%
amazon-ec2
top-1%
Github Skills (19)
winapi10
c1110
c1710
amazon-ec210
driver10
operating-system10
amazon-web-services9
kernel9
cprogramming-language8
c-language8
angular-material6
macos6
angular6
ionic-framework6
input-field6
Programming languages (8)
Github contributions (5)
reactos/reactos
Oct 2017 - Feb 2023
A free Windows-compatible Operating System
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 reviews, 4 PRs, 16 comments in 5 years 4 months
Contributions summary:Víctor primarily contributed to the ReactOS operating system, focusing on fixing bugs related to the UDFS file system and the RDBSSLIB library. They addressed memory leaks and pointer issues, ensuring the stability and integrity of file system operations. Additionally, the user fixed pointer arithmetic in RDBSSLIB and addressed handling of brush objects in GDI32.
driverskernelreactoswindowsgpl
vicmarcal/reactos-1
Mar 2018 - Mar 2022
A free Windows-compatible Operating System
Contributions:7 pushes, 6 branches in 4 years
reactwindowsoperating-systemlinuxoperating
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