Walter Doekes
Developer at OSSO
Greater Groningen Area Netherlands
Summary
🤩
Rockstar🎓
Top SchoolWalter Doekes is a pragmatic developer with 17 years’ experience building and hardening internet-facing systems, currently focused on web languages and protocols (PHP, JavaScript, HTML, SQL) while remaining fluent in C/C++, Python, Perl and several scripting languages. Based in Groningen, he combines day-to-day product development at OSSO with sustained open-source contributions to major telecom projects like OpenSIPS, SIPp and Asterisk, where his work improved stability, authentication and socket/message handling. Known for meticulous bug-fixing, refactoring and memory/descriptor hygiene, he brings a low-noise, high-impact approach to legacy and protocol-heavy codebases. Multilingual in Dutch, English and Swedish, he also applies a near-obsessive attention to grammar and correctness across both code and documentation.
17 years of coding experience
3 years of employment as a software developer
No degree, No degree at University of GroningenStedelijk Gymnasium Leeuwarden
Swedish
Github Skills (21)
socket-io10
opensips10
debug10
c-language10
c1110
sip10
c1710
socket10
sips10
cprogramming-language10
sipp10
telephony9
authentication9
user-authentication9
memory-management9
Programming languages (14)
Github contributions (5)
SIPp/sipp
May 2015 - Nov 2022
The SIPp testing tool
Role in this project:
Back-end Developer
Back-end DeveloperContributions:11 releases, 33 reviews, 178 commits in 7 years 7 months
Contributions summary:Walter's commits primarily focused on code cleanup, bug fixes, and refactoring of core components within the SIPp testing tool. Their contributions included removing global variables and redundant comparisons, fixing issues related to route set handling in UAS scenarios and addressing a problem with the `get_inet_address` function. They also merged multiple branch changes and improved various aspects of the codebase related to socket handling and message parsing.
testingsipp
asterisk/asterisk
Nov 2011 - Jun 2020
The official Asterisk Project repository.
Role in this project:Back-end Developer
Back-end DeveloperContributions:461 commits, 3 PRs, 5 comments in 8 years 9 months
Contributions summary:Walter primarily contributed to the Asterisk project by addressing bugs, improving code maintainability, and implementing new features. They focused on resolving issues within the SIP channel driver, including fixes for session timers, and handling of optional crypto. Further contributions include code cleanup within chan_sip and other modules and implementing updates to documentation.
pythonasterisklinuxpbxsip
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