Petter Holmström
Principal Software Engineer at Vaadin
Turku, Mainland Finland
Summary
👤
Senior🎓
Top SchoolPetter Holmström is a Principal Software Engineer and architect with 13+ years building Java-based frameworks and distributed web systems, currently shaping Vaadin’s platform and contributing to the prominent vaadin/flow project. He brings deep expertise in service-oriented architectures, persistence technologies (SQL, XML, graph DBs) and full-stack concerns—from Spring server integrations to client-side event handling—having a track record of fixing memory leaks, routing/layout issues and file-upload bugs in production-grade libraries. An early programmer who shipped paid Delphi and LAMP apps as a teen, he pairs entrepreneurial instincts with formal training (MSc in Software Engineering) and a long tenure at Vaadin that spans developer to principal roles. Quick to learn new technologies, he blends practical problem-solving with an interest in domain-driven design, reactive systems and emerging front-end frameworks like AngularJS. Outside work he serves as a volunteer fire officer, reflecting a commitment to community and disciplined teamwork.
13 years of coding experience
23 years of employment as a software developer
Master of Science (Technology) Software Engineering (major) Embedded Systems (minor) Industrial & Systems Engineering (minor), Master of Science (Technology) Software Engineering (major) Embedded Systems (minor) Industrial & Systems Engineering (minor) at Åbo Akademi UniversityMatriculation Exam, Matriculation Exam at Pargas svenska gymnasium
Swedish, English, Finnish
Stackoverflow
171reputation
7kreached
1answer
0questions
Github Skills (13)
application-framework10
javas10
web-framework10
webapp-framework10
web-application10
webapp10
vaadin-flow10
vaadin10
java10
spring9
testing9
cucumber-jvm6
spring-boot6
Programming languages (5)
Github contributions (5)
vaadin/flow
Jan 2018 - Aug 2019
Vaadin Flow is a Java framework binding Vaadin web components to Java. This is part of Vaadin 10+.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:12 reviews, 10 commits, 10 PRs in 1 year 7 months
Contributions summary:Petter primarily contributed to the Vaadin Flow framework, focusing on both the server-side and client-side aspects of the project. They addressed a memory leak in the Spring integration, added support for including layouts in before events related to routing, and fixed an issue with incorrect webjar paths. Furthermore, the user resolved a file upload issue in the streaming receiver handler and improved the handling of keyboard events.
web-componentsweb-application-frameworkvaadin-flowjavavaadin
peholmst/I18N4Vaadin
Jun 2013 - Nov 2018
A small I18N addon for Vaadin applications
Contributions:10 commits, 1 PR, 2 pushes in 5 years 6 months
vaadinaddoni18n
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