Ali Gelenler
Udemy Instructor at ING
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolAli Gelenler is a seasoned senior software engineer and Udemy instructor with 11+ years building high-performance, n-tier Java and Spring-based distributed systems. He has led large-scale migrations from legacy PL/SQL and JEE platforms to cloud-native microservices using Spring Boot, Kafka, Elasticsearch and Docker, with hands-on experience optimizing DB performance and caching for high-throughput environments. At ING and earlier public-sector projects he tackled real-world scale and security challenges, including blue/red security champion work and OWASP-ASVS practices. Comfortable across cloud providers (AWS, GCP, Azure) and CI/CD pipelines, he combines deep architecture sensibilities (Clean Architecture, design patterns) with pragmatic delivery. He also trains developers on Java/JEE topics and maintains an algorithmic problem-solving practice to keep technical skills sharp. Based in Amsterdam, he blends enterprise-grade engineering with a teacher’s knack for explaining complex systems.
11 years of coding experience
8 years of employment as a software developer
Master's degree, Computer Engineering, Master's degree, Computer Engineering at Çankaya ÜniversitesiElectrical and Electronics Engineering, Electrical and Electronics Engineering at Başkent ÜniversitesiBachelor's degree, Physics, Bachelor's degree, Physics at Orta Doğu Teknik Üniversitesi / Middle East Technical University
Turkish, İngilizce
Stackoverflow
241reputation
15kreached
10answers
0questions
Github Skills (13)
jekyll8
odata7
kotlin6
java6
jpa6
hibernate6
transaction6
spring6
annotations6
entity-manager6
mysql6
enums6
sdl5
Programming languages (1)
Github contributions (5)
agelenler/myblog
Feb 2015 - Mar 2022
Blog contents and source codes on www.aligelenler.com
Contributions:27 commits, 1 PR, 30 pushes in 7 years 2 months
contentsjekyll
agelenler/food-ordering-system
Aug 2023 - Jan 2025
Food ordering system application in Udemy course: Microservices: Clean Architecture, DDD, SAGA, Outbox & Kafka
Contributions:2 pushes, 11 branches in 1 year 4 months
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