George Koukouzas
Senior Backend Engineer at OKTO PAYMENTS
Greece
Summary
👤
Senior🎓
Top SchoolGeorge Koukouzas is a Senior Backend Engineer with nine years of experience building resilient, domain-driven microservice platforms for banking and fintech, currently at OKTO Payments. He specializes in Java 21, Spring Boot, REST APIs and SQL, and pairs back-end ownership with React (Ant Design) front-end work to deliver end-to-end features. He helped migrate and unify multiple legacy banking systems into a nationwide platform launched with zero downtime and strong production stability. Beyond coding, he drives CI/CD and GitOps improvements (Azure DevOps, Argo CD), mentors juniors, and serves as a frequent code reviewer to raise team quality. His background includes RPA at scale (Blue Prism) and a research thesis applying Mask R-CNN to autonomous driving datasets, reflecting a blend of production engineering and machine-learning experimentation. Based in Greece, he focuses on clean and hexagonal architectures to keep complex financial systems maintainable and auditable.
9 years of coding experience
7 years of employment as a software developer
Master of Engineering - MEng, Computer Science and Engineering, Master of Engineering - MEng, Computer Science and Engineering at University of Ioannina
English, Greek
Stackoverflow
1reputation
54reached
0answers
1question
Github Skills (16)
object-detection10
keras10
mask10
segmentation10
instance-segmentation9
mask-rcnn9
faster-rcnn8
tensorflow8
deep-learning7
dereference6
java6
ros3
naming2
conventions2
naming-conventions1
Programming languages (2)
Github contributions (5)
koukouzasg/ComPylon
Mar 2017 - Apr 2023
Contributions:8 pushes, 1 branch in 6 years 1 month
koukouzasg/Mask_RCNN-in-the-Context-of-Autonomous-Driving
Feb 2019 - Jul 2019
Contributions:27 commits, 3 pushes in 4 months
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