Yannis Kapsalas
Senior Software Engineer at Uni Systems
Greece
Summary
👤
Senior🎓
Top SchoolYannis Kapsalas is a senior Java software engineer with 8 years of experience designing and delivering high-performance, cloud-native systems using Java 17, Spring Boot, microservices, AWS and GCP. He has architected and led the development of 60+ microservices, driven large-scale refactorings that improved maintainability and cut delivery times by up to 40%, and optimized systems to reduce infrastructure costs and speed data pipelines by 95%. Experienced in end-to-end migrations, he has executed zero-downtime moves from AWS to GCP while mentoring small teams to operate enterprise-scale backends. Based in Greece, he combines hands-on coding with strong architectural judgment and a track record of squeezing significant performance and cost gains from distributed systems. An understated strength is his ability to empower tiny teams to own large, complex codebases without sacrificing reliability.
8 years of coding experience
6 years of employment as a software developer
Bachelor of Engineering - BE, Computer Software Engineering, 7.6, Bachelor of Engineering - BE, Computer Software Engineering, 7.6 at International Hellenic UniversityComputer Engineering, Computer Engineering at Vilnius Gediminas Technical University
English, Greek
Stackoverflow
11reputation
7kreached
1answer
0questions
Github Skills (7)
elasticsearch6
ocr1
android-app1
android1
javacv1
java1
tesseract1
Programming languages (1)
Github contributions (5)
R3713X/Shop-On-The-Go
Feb 2018 - Sep 2020
Contributions:2 PRs, 7 pushes in 2 years 7 months
R3713X/SkepJ-Photos
May 2018 - May 2020
An app that lets the user upload and manage photos and more.
Contributions:2 PRs, 4 pushes in 2 years
photos
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