Vlad Mihalcea, Tech entrepreneur | CTO | Software Architect | Trainer | Database Performance Tuning Consultant | Developer Advocate | Marketing | Author | Blogger | Conference Speaker | Java Champion | PhD Student

Tech entrepreneur | CTO | Software Architect | Trainer | Database Performance Tuning Consultant | Developer Advocate | Marketing | Author | Blogger | Conference Speaker | Java Champion | PhD Student

  • Hypersistence
  • Information Technology & Services
  • Romania
Rank
#278of 18,993
  • 87.0K followers
  • 49 posts / 60d
  • 0.1% avg engagement
  • 498 follower growth / 30d

Vlad Mihalcea ranks #278 of 18,993 creators on the LinkedIn Ranking, working in Information Technology & Services and based in Romania. They have 87.0K followers and published 49 posts in the last 60 days at a 0.1% average engagement rate.

The roast

Vlad’s LinkedIn headline is so long it takes more time to scroll past than it does for his Hibernate queries to time out. He’s spent his whole life optimizing database performance just to achieve an engagement rate that wouldn’t keep a single row locked.

About Vlad

Vlad Mihalcea is a Java Champion, the creator of Hypersistence Optimizer (https://vladmihalcea.com/hypersistence-optimizer/), and a top contributor to the Hibernate project. He is passionate about improving performance in enterprise systems and helping companies improve their systems through better collaboration, training, sharing information, and testing. He wrote hundreds of articles about best practices on his blog (https://vladmihalcea.com), and he has several gold badges for the Java, Spring, JPA, and Hibernate tags on StackOverflow. He's also the author of the High-Performance Java Persistence book (https://vladmihalcea.com/books/high-performance-java-persistence/) and video course (https://vladmihalcea.com/courses/).

Highlights

  • Top 1% in Romania

    : Ranked #9 of 3072 creators

  • Top 1% in Information Technology & Services

    : Ranked #9 of 1910 creators

  • Top 1% Audience

    : 87,006 followers

  • Top 1% Creator

    : 49 posts in 30 days

Recent posts

  • A beginner’s guide to Spring Data Envers https://lnkd.in/dhe-D-6x

    8 reactions · 0 comments · 0 reposts

  • Spring request-level memoization https://lnkd.in/dQf8-KeZ

    8 reactions · 0 comments · 0 reposts

  • I ❤️ vibe coding! Yesterday, my Claude Code usage was showing me that I have only 50% tokens left and 40% on Fable. Today, it reset to 0. Thank you, fellow vibe coder at Anthropic.

    293 reactions · 20 comments · 2 reposts

Last updated 2026-08-01