Karl Düüna
Top Gun, Partner at Likemed
Estonia
Summary
👤
Senior🎓
Top SchoolKarl Düüna is a technology- and security-focused application developer with 13 years of experience building web and e-health solutions from Estonia. As co-founder and partner at nodeSWAT.com, IT Dragon Software and former DV Scientia contributor, he combines hands-on development, team leadership and product-focused project coordination. He designs and ships web applications, custom WordPress plugins and calculation algorithms while also managing production environments and conducting security audits. With a Master's in Cyber Security and a background in mechatronics and robotics, he brings a systems-thinking approach that blends hardware-aware engineering with secure software practices. Regularly operating across development, sysadmin and project management roles, he excels at turning complex domain requirements into practical, auditable solutions. Notably, his work spans both entrepreneurial startups and regulated e-health projects, where reliability and compliance are paramount.
14 years of coding experience
4 years of employment as a software developer
Master's degree, Cyber Security, 4.8, Master's degree, Cyber Security, 4.8 at Tallinn University of Technology / University of TartuBachelor's degree, Mechatronics, Robotics, and Automation Engineering, 4.6, Bachelor's degree, Mechatronics, Robotics, and Automation Engineering, 4.6 at Tallinn University of TechnologyHigh School, 5, High School, 5 at Tallinna Kristiine Gümnaasium
Estonian, English, Spanish
Stackoverflow
2,988reputation
278kreached
42answers
2questions
phantomjs
top-5%
javascript
top-5%
Github Skills (32)
rbac10
session-management10
typescript10
typescript-definitions10
nodejs10
plugin9
javascript9
socket-io9
websocket9
dts9
phantomjs9
security8
yargs8
low-latency7
jquery6
Programming languages (3)
Github contributions (5)
DeadAlready/easy-rbac
Nov 2015 - Nov 2021
RBAC implementation for Node.js
Contributions:22 commits, 9 PRs, 24 pushes in 6 years 1 month
nodejsrbac
DeadAlready/node-easy-session
Jan 2014 - Aug 2019
Improved security and session management for express/connect
Contributions:24 commits, 1 PR, 14 pushes in 5 years 7 months
securitysession-management
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