I build focused tools that solve real problems. 32 years in software — Fortune 500, government systems, UN projects.
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I'm Jacek Kołodziejczyk, a software developer based in Kraków, Poland.
- Former CTO of e-commerce at Comarch (Poland's largest software house)
- MIS Advisor at a major Afghan ministry under the UN — the system managed 80% of total donor funds
- 13 years as a contractor for a large investment bank, building distributed financial computation systems
- Creator of the SWT Matrix component (netanel.pl)
Passionate about productivity, quality work, and attention to detail.
Jesus is real to me.