Dimitris Zenios
Chief Technology Officer In Programming & Development at Campeón Gaming
Cyprus
Summary
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RockstarDimitris Zenios is a seasoned software leader and CTO with 17 years of experience delivering cross-platform and embedded software, currently leading technology at Campeón Gaming from Cyprus. He pairs hands-on systems programming in C and Linux with full-stack backend work in Java, PHP, and modern web stacks (React, REST/JSON), and has deep expertise in multimedia and UI toolkits such as SDL, Cairo, and GTK. An active open-source contributor, Dimitris has made substantive fixes and feature enhancements to high-profile projects like SDL and Vert.x—improving touch/input handling, memory safety, and networking protocols such as HAProxy and WebSocket compression. His background spans mobile and set-top box development as well as database-backed services (MySQL, PostgreSQL, JPA), enabling him to bridge low-level performance work with scalable application architectures. Notably, he combines practical bug-fixing and test modernization with protocol-level improvements, reflecting a focus on robust, cross-platform interoperability.
16 years of coding experience
5 years of employment as a software developer
Github Skills (31)
netty10
reactive10
sdl10
http10
websocket10
c1110
java10
c1710
javas10
x1110
android10
web-development10
vertx10
touch-event10
user-input10
Programming languages (8)
Github contributions (5)
spurious/SDL-mirror
Jun 2011 - Apr 2015
An unofficial, automated SDL2 and SDL1.2 HG mirror.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits in 3 years 11 months
Contributions summary:Dimitris primarily contributes to the SDL (Simple DirectMedia Layer) mirror repository by fixing bugs and enhancing the X11 video driver. Their commits focused on addressing issues within the SDL_UpdateTexture function and implementing touch event handling using Xinput2 for X11. The user also made improvements by fixing memory leaks, updating deprecated functions, and exporting Android JNI functions. They further demonstrate their work by rewriting the testime.c and adjusting testrelative.c taking into account common arguments.
sdl1windowssdlsdl2playfab
SDL-mirror/SDL
Jun 2011 - Apr 2015
Automated mirror of https://hg.libsdl.org/SDL/
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:9 commits in 3 years 11 months
Contributions summary:Dimitris primarily worked on improving and extending the SDL library, focusing on cross-platform compatibility and functionality. Their contributions included bug fixes for the software renderer, specifically addressing issues with texture updates. They also implemented and refactored touch and input functionalities, particularly related to XInput2 for Linux and Android, creating new files, and improving the event handling. Additionally, the user fixed memory leaks, modernized the X11 codebase, and updated the test applications by adapting them for SDL's internal changes.
sdl
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