Ray Oei
Testmanager Operationele Techniek
Amsterdam, North Holland, Netherlands
Summary
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RockstarRay Oei is a seasoned test and engineering leader with over two decades of hands-on experience spanning development, architecture, DevOps and test management, now serving as Testmanager Operationele Techniek at GVB. He combines a coder’s fluency in Java, Python, Ruby and JavaScript with deep practical expertise in CI/CD, test automation (Appium, Playwright, JMeter) and embedded/linux-based hardware testing. Known as a coach and agile practitioner, Ray has led cross-functional teams at startups and large organizations (Avast/AVG, Gamgee) while mentoring testers and engineers into stronger, quality-focused teams. A proponent of Context Driven Testing and an instructor for BBST courses, he blends exploratory testing philosophy with measurable process improvements. He regularly organizes and speaks at peer events, quietly bridging the gap between stakeholder needs and technical realities. Despite senior roles, he still enjoys getting his hands dirty coding and shipping testable solutions.
10 years of coding experience
31 years of employment as a software developer
Stackoverflow
1,927reputation
1.0mreached
25answers
0questions
cygwin
top-1%
shell
top-5%
newline
top-5%
bash
top-5%
Github Skills (173)
end-to-end-encryption10
python10
pgp10
proxy10
websocket10
security10
duplicates10
chat10
client-library10
fiddler10
devtools10
service-worker10
1password10
debugging10
keybase10
Programming languages (13)
Github contributions (5)
RayOei/foodsoft
Dec 2024 - Mar 2025
Web-based software to manage a non-profit food coop (product catalog, ordering, accounting, job scheduling).
Contributions:3 PRs, 61 pushes, 5 branches in 2 months
RayOei/rmlint
Feb 2025 - Mar 2025
Extremely fast tool to remove duplicates and other lint from your filesystem
Contributions:9 PRs, 52 pushes, 7 branches in 6 days
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