Lefteris Chatzimparmpas
Web Developer at Doist
Greece
Summary
👤
Senior🎓
Top SchoolLefteris Chatzimparmpas is a web developer with 15 years of hands-on experience across C, C++, Python, Lua and Erlang, and deep Linux/UNIX system and network administration expertise. He has shipped production software at Ericsson across telecom systems (DPI, RNC, OAM) and now contributes to Doist as a remote web developer, blending low-level systems thinking with modern web practices. His academic background in distributed systems and networks (KTH and Aristotle University) informs a pragmatic approach to resilient, distributed architectures. An active open-source contributor, he has improved the imapfilter utility by fixing authentication and regex issues and hardening recovery and error handling—work that reflects a focus on robustness and maintainability. Colleagues know him as a reliable remote teammate who brings telecom-grade rigor to everyday web development.
15 years of coding experience
6 years of employment as a software developer
Master’s Degree, Networks and Communications, Master’s Degree, Networks and Communications at Aristoteleion Panepistimion ThessalonikisMaster’s Degree, Software Engineering of Distributed Systems, Master’s Degree, Software Engineering of Distributed Systems at KTH Royal Institute of Technology
English, Greek
Github Skills (8)
c1710
c1110
imap10
user-authentication9
authentication9
regular-expression9
error-handling9
lua8
Programming languages (7)
Github contributions (5)
lefcha/imapfilter
Mar 2011 - Jan 2023
IMAP mail filtering utility
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 237 commits, 18 PRs in 12 years
Contributions summary:Lefteris primarily focused on improving the IMAP mail filtering utility by addressing and fixing bugs. Their work included correcting compilation warnings and addressing issues related to authentication timeouts. They also refactored and updated the regular expression syntax and added support for appending messages to mailboxes. In addition, they improved the error handling and made the recovery mechanism more robust.
mailsmtpemailemail-parsingfiltering
lefcha/concurrentlua
Feb 2011 - Nov 2014
Contributions:13 commits in 3 years 9 months
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