Özgür Hepsağ
Z OS Systems Programmer at Garanti BBVA Teknoloji
Istanbul, Istanbul, Türkiye Turkey
Summary
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Senior🎓
Top SchoolÖzgür Hepsağ is a z/OS Systems Programmer with nine years of hands-on experience managing and upgrading enterprise mainframe environments, currently at Garanti BBVA Technology. He has led platform migrations and upgrades across Z14–Z16 hardware, worked on GDPS replication projects and cataloging strategies, and implemented automation via REXX and system tools. His background includes airline-specific ALCS operations and disaster-recovery builds, reflecting strong operational discipline in high-availability contexts. Educated in Computer Engineering with an international IT Management exchange, he combines formal engineering training with practical cross-sector internships and part-time development work. Özgür is steadily deepening his mainframe expertise and contributes to platform reliability through both tooling and hands-on systems programming.
9 years of coding experience
2 years of employment as a software developer
Minor, IT Management, 6.35/10, Minor, IT Management, 6.35/10 at Hanzehogeschool Groningen / Hanze University of Applied Sciences GroningenMaster's degree, Computer Engineering, Master's degree, Computer Engineering at Istanbul University-CerrahpasaBachelor's degree, Computer Engineering, 3.47/4.00, Bachelor's degree, Computer Engineering, 3.47/4.00 at Dokuz Eylul University
İngilizce, Turkish
Stackoverflow
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Github Skills (20)
betting8
genetic8
sports-data8
genetic-algorithm6
player5
machine-learning5
statistics5
python4
data-set2
libgit22
prediction-model2
libc2
delta2
netbsd2
prediction2
Programming languages (1)
Github contributions (5)
ozgurhepsag/Multi-threaded-HTTP-Server
Dec 2018 - Sep 2019
Contributions:6 commits, 3 pushes, 1 comment in 9 months
ozgurhepsag/Basic-z-OS-Utilities-and-Practices
Dec 2020 - May 2022
Contributions:169 commits, 155 pushes in 1 year 4 months
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