Learn with Sibin
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About Sibin
Professional introduction
I'm Sibin Muhammed A R, a Java developer with 9+ years of experience building secure, scalable backend systems. I specialize in Spring Boot, microservices, and OAuth2/Okta, and I've deployed on AWS, Azure, and GCP. Through TestKart, I also train aspiring developers in Java, Python, Angular, and more. My focus is practical, hands-on learning that gets people ready for real projects and certification exams. Test smarter. Ship faster.