Valentyn Berezin
Senior Software Developer at Golden Dimension
Ukraine
Summary
👤
Senior🎓
Top SchoolValentyn Berezin is a Senior Software Developer with 10 years’ experience building high-performance Java backends, batch systems, and tooling to automate decision-making across migrations and legacy codebases. He has delivered measurable impact—boosting stability by 20% and speeding an in-house solution tenfold—while architecting fixture-based CI checks and automated test suites to enforce API specification adherence. His background blends research and engineering: a PhD authoring an advanced digital image correlation algorithm and practical contributions like a Neo4j plugin for visualizing inter-class data flows. Valentyn has built low-latency and ML-driven trading bots, improved AWT rendering event handling in the jzy3d project, and routinely turns complex codebase analysis into automated insights. Based in Ukraine, he excels at translating scientific methods into production-grade Java/Spring solutions and finding dependable automation where teams face technical debt.
10 years of coding experience
8 years of employment as a software developer
Doctor of Philosophy - PhD, Doctor of Philosophy - PhD at National University of Life and Environmental Sciences of Ukraine
Ukrainian, Russian, English
Stackoverflow
181reputation
27kreached
12answers
1question
Github Skills (19)
3d-graphics10
event-handling10
graphics2d10
awt10
java10
javas10
2d10
charts9
opengl9
maven6
h26
certificate6
bpmn6
spring-boot6
ssl-certificate6
Programming languages (7)
Github contributions (5)
jzy3d/jzy3d-api
Apr 2022 - May 2022
A Java API for 3d and 2d charts
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:2 reviews, 16 commits, 2 PRs in 1 day
Contributions summary:Valentyn implemented and refactored a listener interface, introducing callbacks for various GLUT events, including mouse, keyboard, and reshape events. They enhanced existing GLUT callbacks to include rendering targets and replaced old GLUT string routines with listener-based implementations. These changes indicate a focus on improving the flexibility and event handling mechanisms within the jzy3d-api, particularly for AWT-based rendering. Furthermore, the user finalized the reflective listener for improved event handling.
charts2d-graphicsapichartplot
valb3r/ClassAnalyzer
Nov 2017 - Nov 2017
Contributions:14 commits, 4 PRs, 21 pushes in 13 days
neo4j-graphlayoutmappingjarneo4j
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