Sayem Ahmed
Manager, Software Development 2 at eBay
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolSayem Ahmed is a hands-on engineering leader and Manager of Software Development with 15+ years building and modernizing large-scale distributed systems using Java, Spring and domain-driven design. He has a track record of untangling “big ball of mud” architectures into well-structured microservices at companies like eBay, Kleinanzeigen/Adevinta and ImmobilienScout24, and now leads engineering at eBay Germany. A passionate practitioner of TDD, CI/CD and DDD, he combines deep technical delivery with mentoring and architecture decisions across teams. Outside work he shares his craft through a blog, frequent republishing on DZone/JavaCodeGeeks and active StackOverflow participation (29k+ rep), demonstrating a commitment to community and practical knowledge sharing.
8 years of coding experience
16 years of employment as a software developer
B. Sc. Computer Science and Engineering, B. Sc. Computer Science and Engineering at Bangladesh University of Engineering and Technology
Bangla, English
Stackoverflow
28,956reputation
6.2mreached
376answers
96questions
mysql
top-5%
full-text-search
top-1%
java
top-1%
if-statement
top-5%
javascript
top-5%
arraylist
top-5%
Github Skills (49)
json10
spring10
jsp10
java10
security10
dictionary10
spring-boot10
html10
full-text-search10
mysql9
aws-ses9
javascript9
ajax9
iteration9
jquery9
Programming languages (1)
Github contributions (5)
sayembd/spring-security
Apr 2019 - Sep 2020
Spring Security
Contributions:15 pushes, 10 branches in 1 year 5 months
spring-bootsecurityspringjavaspring-security
sayembd/sayembd.github.io
Aug 2022 - Jan 2024
Contributions:28 pushes, 1 branch in 1 year 5 months
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