John Ko
Senior Software Engineer at Wärtsilä Energy
Virginia, United States
Summary
🤩
Rockstar🎓
Top SchoolJohn Ko is a Senior Software Engineer with 10+ years of experience building backend and full-stack systems across enterprise and consulting roles, currently at Wärtsilä Energy in Virginia. He has deep domain experience in large-scale object storage, cloud and IoT services from roles at Symantec and IBM, and has led technical teams and delivery as a technical lead and consultant. His background includes high-throughput Java microservices for financial processing and accessibility-focused mobile remediation work, showing a practical blend of performance engineering and user-centered solutions. A pragmatic problem-solver and former founder, he brings both hands-on coding and systems thinking to complex, production-scale challenges.
10 years of coding experience
29 years of employment as a software developer
BS CS, BS CS at Northwestern University
Github Skills (7)
ehcache9
maven7
maven-plugin7
maven-bom7
java6
terracotta5
terraform3
Programming languages (1)
Github contributions (5)
jko314/terracotta-core
Apr 2022 - Apr 2022
The core components of the Terracotta Server
Contributions:7 pushes in 10 days
core-componentsterracottaterraform
jko314/terracotta-thirdparty-bom-4.x
Oct 2022 - Jan 2023
Maven BOM for upgrading 3rd party dependencies
Contributions:5 pushes, 5 branches in 3 months
maven-plugindependenciesmavenpartymaven-bom
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