Kieran Hejmadi

Currently a Software and Academic ecosystem manager at Arm, formerly an Engineer at Sony and the DNA sequencing company, Oxford Nanopore. I’m a relative beginner to Java but have a passion on learning how complex systems work and sharing my learnings with the developer community in an easy-to-understand way.

Towards an understanding of sustainable software development, written by and for the friends of OpenJDK

Standards Over Lock-In: Modernizing Java with Jakarta EE 11 on Azul Payara 7

Learn how to get your Java applications to cloud-native, AI-ready infrastructure without a costly rewrite or vendor lock-in. Join the engineers behind Azul Payara 7 on July 9.

Cut Code Review Time & Bugs in Half. Instantly.

Supercharge your team to ship faster with the most advanced AI code reviews.

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Optimizing the Garbage Collector when Migrating Cloud Workloads

Table of Contents Why GC Tuning Matters on ArmOpenJDK VersionChoosing the Right Garbage CollectorHeap Size and GC Pause TimeAdaptive Heap SizingClosing the feedback loopDeveloper Education for the Java CommunityNeed Assistance from Experts?Introduction to Java on Arm You might associate Arm ...

Apr 16 7,3K

Kieran Hejmadi

Arm

Cloud Java Java Beginner Performance Tutorials

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If you want to know what I spoke about in @jcon_conference in Germany, here's an interview I did at the @foojayio podcast:

#Java #JCON #JakartaEE #AI #A2A

02:06 PM · May 04, 2026

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Our team loves to meet and talk with the Java community from around the world. If you want to learn more. You can find all OmniFish presentations at: https://speakerdeck.com/omnifish, including links to the source code of related demos. Or get in touch for a free consultation call.

10:13 AM · April 30, 2026

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Another happy customer :)
"Their expertise and flexible hands-on troubleshooting support accelerated resolution of several unexpected hurdles and ultimately got us to a successful upgrade outcome."

If you would like to discuss how we could help your company, get in touch.

09:55 AM · April 21, 2026