Klaus Klein
Commercial Software Engineer at KLM
Netherlands
Summary
👤
Senior🎓
Top SchoolKlaus Klein is a Commercial Software Engineer with a decade of experience building large-scale backend systems for banking and retail, specializing in Java 8+, microservices, Kubernetes, and message brokers. He has progressed from Java developer to technical lead and now holds senior/commercial engineering roles at Sytac and KLM, blending hands-on implementation with delivery and stakeholder-facing responsibilities. Klaus also contributes to open-source front-end work on the well-known BigBlueButton project, showing an ability to improve UX and UI components beyond his backend focus. Trained in mechatronics and control/automation engineering, he brings a systems-thinking approach to software architecture and operational resilience. Colleagues would describe him as pragmatic, detail-oriented, and comfortable bridging legacy enterprise constraints with cloud-native practices.
10 years of coding experience
4 years of employment as a software developer
Bacharelado em Engenharia Mecatrônica Robótica e Engenharia de Controle e Automação, Bacharelado em Engenharia Mecatrônica Robótica e Engenharia de Controle e Automação at Unisinos
Portuguese, English, Japanese
Stackoverflow
744reputation
239kreached
5answers
5questions
Github Skills (18)
javascript10
uid10
front-end-development10
react10
ui-design9
interface-design7
sc7
user-interface7
scs7
rust6
webrtc6
configuration-file6
tdd6
mocking6
traits6
Programming languages (10)
Github contributions (5)
bigbluebutton/bigbluebutton
Apr 2017 - Sep 2017
Complete open source web conferencing system.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:241 commits, 47 PRs, 80 comments in 5 months
Contributions summary:Klaus primarily contributed to the front-end development of the BigBlueButton web conferencing system, focusing on the HTML5 client. Their contributions included adding a send button to the chat textbox, implementing arrow function changes, and fixing a user dropdown component. They also addressed issues related to readability, and user interface elements, suggesting a focus on improving the user experience and overall functionality of the chat interface.
kurentobigbluebuttonjavascriptcollaborationvideo-conferencing
Klauswk/bigbluebutton
Apr 2017 - Oct 2017
Complete open source web conferencing system.
Contributions:1 PR, 170 pushes, 60 branches in 6 months
javascriptnodejsconferencingweb-conferencing
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