Carlos Ruiz-díaz
Founder & CEO at 2Chat
Mexico
Summary
🤩
Rockstar🎓
Top SchoolCarlos Ruiz-díaz is a founder and CEO with 14 years of hands-on software engineering and telecom experience, currently leading 2Chat from Mexico. He has founded and exited a successful VoIP startup (Toky) and scaled teams at MessageBird, blending product leadership with low-level real-time communications expertise. A prolific contributor to Kamailio, he authored the open-source cnxcc prepaid credit-control module and has deep experience in SIP, IMS charging, and billing integrations. Equally comfortable in C-level strategy and kernel-to-cloud engineering, he combines systems-level telephony work with pragmatic startup execution. Known for shipping mission-critical telecom infrastructure and custom SIP clients, he brings a rare mix of entrepreneurial grit and protocol-level technical depth.
14 years of coding experience
14 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Universidad Autónoma de AsunciónEPA24 Batch, EPA24 Batch at EmprelatamHigh School Diploma Computer Science, High School Diploma Computer Science at Colegio Técnico Nacional de Asunción
Spanish, English, Gujarati
Stackoverflow
163reputation
33kreached
3answers
4questions
Github Skills (15)
c1710
sips10
c1110
billing-system10
sip10
telephony9
voip9
iptables6
gdb6
socket6
javascript6
linux6
serial-port6
php6
asterisk6
Programming languages (2)
Github contributions (5)
kamailio/kamailio
Mar 2013 - Nov 2015
Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -
Role in this project:
Back-end Developer
Back-end DeveloperContributions:28 commits, 1 PR, 1 push in 2 years 8 months
Contributions summary:Carlos primarily contributed to the `kamailio/kamailio` repository by adding a new module, `cnxcc`, designed for credit control. The module involved the implementation of several functions related to billing, call management, and potentially integrating with external credit control systems. The code changes include modifications to the core module files and the introduction of related functions like `cnxcc_set_max_time`, `cnxcc_set_max_credit`, and integration with dialog management callbacks indicating a focus on real-time communication and billing processes.
voltesip-serverkamailiofreeswitchchat
caruizdiaz/cnxcc-web
Jan 2013 - Mar 2014
Contributions:58 commits in 1 year 2 months
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