Roman Mosiienko
Software Engineer at Компьютерная школа Hillel (IT School)
Ukraine
Summary
🤩
Rockstar🎓
Top SchoolRoman Mosiienko is a pragmatic software engineer with 10 years’ experience building Java-based backend systems and Android apps, currently designing payments microservices for Kyivstar's My Kyivstar mobile app. He has strong hands-on experience with Spring, microservices architecture, AWS integrations (S3, SNS/SQS), CI/CD, and security-hardening from both product and infrastructure perspectives. Roman has contributed backend fixes and security updates to the notable Broadleaf Commerce open-source eCommerce framework and routinely tackles performance tuning and logging improvements. As a lecturer in Java Enterprise, he pairs production experience with teaching, which helps him communicate complex architectures clearly. Driven by a belief that software can improve the real world, he enjoys turning ambitious ideas into reliable, well-documented systems.
10 years of coding experience
6 years of employment as a software developer
Master's degree, Computer Software Engineering, Master's degree, Computer Software Engineering at State University of Telecommunications, KyivBachelor's degree, Mechanic, Bachelor's degree, Mechanic at Dnepropetrovsk State Agrarian UniversityDnipropetrovsk school # 131
Английский, Украинский, Русский
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
javas10
spring10
java10
spring-boot10
database-design9
debug8
debugging8
sql8
Programming languages (2)
Github contributions (5)
BroadleafCommerce/BroadleafCommerce
Nov 2020 - Jan 2023
Broadleaf Commerce CE - an eCommerce framework based on Java and Spring
Role in this project:
Back-end Developer
Back-end DeveloperContributions:15 reviews, 83 commits, 48 PRs in 2 years 3 months
Contributions summary:Roman primarily focused on back-end development tasks within the Broadleaf Commerce framework. Their contributions include fixing error message content, adding a default locale to the Site table, and adding a check to avoid assigning product options with the same attribute name. Additionally, the user addressed security vulnerabilities by updating dependencies and added logging to the product controller. Their work also included refactoring code and fixing minor issues.
spring-bootecommercecommercespringecommerce-framework
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