Abdurrahman Kolsuz
Senior Software Engineer at OBSS
Ankara, Ankara, Turkey
Summary
👤
Senior🎓
Top SchoolAbdurrahman Kolsuz is a Senior Software Engineer based in Ankara with 10 years of experience building high-performance, mission-critical systems for finance and defense. He has designed and implemented real-time transaction switching and authorization platforms handling ISO 8583 messaging, distributed locking, and low-latency failover for major Turkish payment networks. His background spans modernizing batch and streaming pipelines with Spring Batch, gRPC, RabbitMQ/Kafka and integrating core banking DBs (Oracle/DB2), alongside embedded/desktop real-time systems using Eclipse RCP, Netty and GStreamer for video and device communication. Known for pragmatic architecture choices and hands-on implementation, he blends systems-level concurrency expertise with robust microservice design. He’s comfortable migrating legacy workloads to open systems and has experience applying ML-adjacent techniques from an early research internship, demonstrating curiosity beyond conventional backend engineering.
9 years of coding experience
5 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Univerza v MariboruHigh School Diploma, 87 (100-scale), High School Diploma, 87 (100-scale) at Meram Anadolu LisesiBachelor's degree, Computer Engineering, Bachelor's degree, Computer Engineering at Eskisehir Osmangazi University
English
Stackoverflow
1,371reputation
260kreached
54answers
14questions
angular-material
top-5%
Github Skills (11)
angular-material9
jersey6
maven6
apache-poi6
typescript6
javascript6
excel6
jquery6
rest6
angular6
java6
Programming languages (2)
Github contributions (5)
abdurrahmankolsuz/jersey-server-client
Dec 2017 - Feb 2023
Contributions:6 pushes, 1 branch in 5 years 3 months
abdurrahmankolsuz/sarimehmet
Jun 2016 - Dec 2016
Contributions:7 commits, 5 pushes, 1 branch in 6 months
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