Berkay Demirel
Team Lead at Migros One
Şahinbey, Gaziantep, Türkiye Turkey
Summary
👤
Senior🎓
Top SchoolBerkay Demirel is a seasoned Java-focused software engineer and team lead with nine years of experience building FinTech and retail systems across major Turkish companies like Migros One, Hepsiburada, iyzico and Turkcell. He combines hands-on backend expertise with leadership experience, having progressed from senior engineer roles to leading a team at Migros One since 2026. Known for working on payment and commerce platforms, he brings domain fluency in financial services and large-scale transactional systems. A strong academic performer (ranked 2nd in his computer engineering cohort), he maintains an active developer presence through his personal site, blog and GitHub, signaling continual learning and public-facing technical writing. Based in Gaziantep, he blends practical production experience with a habit of documenting and sharing engineering insights that go beyond typical team lead responsibilities.
9 years of coding experience
8 years of employment as a software developer
Bachelor's degree, Ranked as 2nd in student in the department, Computer Engineer, Bachelor's degree, Ranked as 2nd in student in the department, Computer Engineer at Çanakkale Onsekiz Mart UniversityHigh school, Web Programming, High school, Web Programming at Keşan Anadolu Teknik ve Endüstri Meslek Lisesi (Bilişim Lisesi)
İngilizce, Turkish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
client-library7
api-client6
api5
fintech5
java-api5
java-client5
java4
Programming languages (1)
Github contributions (5)
berkay22demirel/cryptography
Mar 2017 - Jun 2018
Contributions:2 PRs, 10 pushes, 3 branches in 1 year 3 months
berkay22demirel/blog-examples
Apr 2021 - Nov 2022
Contributions:14 pushes, 1 branch in 1 year 7 months
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