The online consulting product consists of several hours of consultation that we can allocate based on our best availability.

Your consultant



Vlad Mihalcea is a Java Champion and one of the top Hibernate ORM project committers. He created the Hypersistence Optimizer tool, which scans your application configuration and mappings and tells you what changes you need to make to speed up your data access layer.

He's been answering thousands of questions about Hibernate and JPA on StackOverflow, for which he's got gold badges for Hibernate, Java, and JPA tags.

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Frequently Asked Questions


Can I get a refund if I'm unhappy with my purchase?


I firmly believe you will get a lot of value out of my consulting offering, and that it can help you optimize your data access layer so that it can run both effectively and efficiently.

As stated in Teachable's Terms of Use, Coaching IS NOT covered by Teachable's 30-day student refund policy.

However, if you are unsatisfied with your purchase, you can contact us in the first 14 days, and, if the Teachable platform allows us to issue the refund, then we will give you a full refund.


How do I schedule my appointment?


Upon purchasing coaching, you'll receive further instructions on how to book a time for your appointment.


Can I purchase additional consulting sessions?


Absolutely! If you find yourself in need of consulting more than once, simply purchase the consulting package that best fits to your needs again.