Zafer Onbaş
Freelance SAP ABAP Fiori UI5 Consultant
Istanbul, Türkiye Turkey
Summary
👤
Senior🎓
Top SchoolZafer Onbaş is a freelance SAP ABAP and Fiori/UI5 consultant with nine years of professional experience building enterprise UIs and back-end integrations, and a history of leading teams and product development at NTT DATA Business Solutions Turkey. He combines deep ABAP and S/4HANA expertise with modern SAPUI5, Fiori and BTP skills, bridging UX-minded front-end development and robust OData/Gateway services. Zafer has managed a 20–25 person SAP Fiori team and later transitioned to product-focused work before moving into freelance consulting, demonstrating both people leadership and hands-on delivery. His early career as a full‑stack and front‑end developer gives him a practical edge in JavaScript, HTML5 and responsive design that informs his SAP UI solutions. Based in Istanbul, he experiments with SAP HANA, ABAP OO and client-side UX patterns and brings a creative mindset—he’s also a curious guitarist and arts enthusiast.
9 years of coding experience
12 years of employment as a software developer
Bachelor of Science - BS, Computer Education and Instructional Technology, 2,89, Bachelor of Science - BS, Computer Education and Instructional Technology, 2,89 at Yıldız Teknik Üniversitesi / Yildiz Technical UniversityComputer Programming, 4.68, Computer Programming, 4.68 at Handan Hayrettin Yelkikanat Anadolu Teknik Lisesi
İngilizce
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (20)
sap-fiori6
sapui56
abap5
tedious5
robotics5
duplicates3
rows3
linter3
responsive2
openui52
browser2
javascript2
static-analysis2
static-code-analysis2
kubernetes2
Programming languages (3)
Github contributions (5)
zaferonbas/openui5
Mar 2017 - Oct 2022
Contributions:1 push in 5 years 8 months
web-applicationsbrowserweb-componentsjavascriptopenui5
zaferonbas/UI5
Feb 2017 - May 2020
Contributions:6 PRs, 36 pushes, 9 branches in 3 years 3 months
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