Ville Misaki
Software Engineer at Reaktor
Yokohama, Japan
Summary
👤
Senior🎓
Top SchoolVille Misaki is a pragmatic full-stack software engineer with 12 years of experience, based in Yokohama and currently building products at Reaktor. He thrives in agile, cross-functional teams with autonomy to prototype, deliver, and maintain both new and legacy systems. His hands-on background spans discovery, design, implementation, and testing across the stack, with a particular attention to correctness and stability. Ville contributes to notable open-source projects like Payara Server, where he has fixed JVM-related bugs and improved MicroProfile Metrics behavior—work that reflects meticulous backend craftsmanship. Trained in computer science with mathematics and statistics foundations from the University of Helsinki, he combines analytical rigor with practical engineering. Colleagues rely on him for steady, detail-oriented delivery when systems and Java runtime nuances matter.
12 years of coding experience
Deutsche Schule HelsinkiHigh School, High School at Etelä-Kaarelan lukioBachelor's Degree Computer science (+ Mathematics Statistics), Bachelor's Degree Computer science (+ Mathematics Statistics) at University of Helsinki
Finnish, English, German, Swedish, Japanese
Stackoverflow
1,320reputation
33kreached
45answers
0questions
Github Skills (15)
jakartaee10
payara10
javas10
microprofile10
server10
java10
microservices-application9
microservices9
javascript6
perl6
python6
regex6
numpy6
transpose6
hashmap6
Programming languages (4)
Github contributions (5)
payara/Payara
Jun 2019 - Jun 2019
Payara Server is an open source middleware platform that supports reliable and secure deployments of Java EE (Jakarta EE) and MicroProfile applications in any environment: on premise, in the cloud or hybrid.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 2 PRs, 9 comments in 7 days
Contributions summary:Ville primarily contributed to bug fixes and code improvements within the Payara Server project. Their work involved correcting issues related to Java versions, specifically addressing the correct JDK usage within the GFLauncher. They also updated copyright headers across multiple files, and they merged upstream changes. The user's commits also included modifications to the MicroProfile Metrics, ensuring accurate timer conversions for plain-text output.
jakarta-eesecurepayaramicroservicesdeployments
vlumi/geo-coord
Jul 2020 - Jan 2023
Utilities for geographic coordinate data.
Contributions:2 releases, 14 PRs, 34 pushes in 2 years 6 months
gisgeographywmscoordinateshapefile
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.