Paris Kasidiaris is a seasoned software entrepreneur and CEO with 12 years of experience building developer tools and web platforms from Athens. As co-founder of SourceLair and WithLogic, he combines hands-on engineering with company leadership, shipping weekly public releases while actively contributing to product codebases. His open-source work includes front-end improvements to the widely used xterm.js web terminal and back-end/DevOps modernization of the Ceryx reverse proxy, reflecting fluency across UI, server, and infrastructure layers. Early work on ARM’s Mbed OS and tooling shows a practical background in embedded/IoT build systems as well as Python packaging. He blends product-minded business development with deep technical ownership, often improving developer experience in subtle UX and tooling details.
12 years of coding experience
4 years of employment as a software developer
Bachelor of Science (BSc) Electrical and Computer Engineering, Bachelor of Science (BSc) Electrical and Computer Engineering at National Technical University of Athens
Dynamic reverse proxy based on NGINX OpenResty with an API
Role in this project:
Back-end Developer & DevOps Engineer
Contributions:11 releases, 3 reviews, 128 commits in 5 years 2 months
Contributions summary:Paris modernized the Ceryx reverse proxy by updating its Docker Compose configuration to the latest standards and switching to a standard Python image for including `curl`. They added a script to populate the API, improving its accessibility. Furthermore, the user implemented API functionality, displaying route settings, implementing full API functionality for settings, and implemented HTTPS redirection. They also addressed comments and removed redundant code.
Contributions:17 releases, 490 commits, 274 PRs in 4 years 4 months
Contributions summary:Paris primarily contributed to the xterm.js repository by developing and improving the demo environment. The user implemented a new example page, added styling, moved styling into CSS files, and added enhancements to the demo's behavior. The user also worked on improving the terminal UI by adding a cursor style and implementing features for keyboard and clipboard events.
clixterm-jsvt100browserterminal-emulators
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Paris Kasidiaris - Chief Executive Officer at LOGIC