Beykan Şen
Senior Staff Engineer Tech Lead at Trendyol Group
Istanbul, Türkiye Turkey
Summary
👤
Senior🎓
Top SchoolBeykan Şen is a Senior Staff Engineer and Tech Lead based in Istanbul with 11 years of experience building and scaling checkout, member, and payment systems for major e-commerce platforms. Currently providing technical leadership across 13 teams at Trendyol, he has progressed from hands-on backend development to shaping cross-team architecture and delivery. His background includes senior roles at Hepsiburada and Inveon, giving him deep domain expertise in high-throughput checkout flows and retail integrations. Beykan combines pragmatic engineering with mentorship, often bridging product and platform concerns to reduce complexity across services. He holds an MS in Information Technologies and maintains a public technical presence via his website and GitHub, signaling ongoing curiosity beyond day-to-day delivery. A less obvious strength is his early career blend of technical SEO and web development, which informs a holistic view of performance, observability, and user-facing reliability.
11 years of coding experience
13 years of employment as a software developer
Master of Science - MS Information Technologies, Master of Science - MS Information Technologies at Sakarya UniversityBachelor's Degree International Relations (English), Bachelor's Degree International Relations (English) at European University of Lefke (EUL)Associate Degree Computer Programming, Associate Degree Computer Programming at Dokuz Eylul University
İngilizce, Turkish
Stackoverflow
105reputation
1kreached
2answers
3questions
Github Skills (105)
python10
echo10
kubernetes10
middleware9
browser9
clojure9
database9
data-visualization9
postgresql9
dashboard9
websocket9
ssl9
visualization9
ide9
react9
Programming languages (8)
Github contributions (5)
beykansen/todo-rs
Jan 2021 - May 2021
Contributions:9 commits, 8 pushes, 1 branch in 3 months
pastecodeio/pastecode-docs
Jul 2023 - May 2024
Contributions:34 pushes in 10 months
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