Alexander Zakharenko

I'm a Senior QA Engineer at JetBrains, responsible for quality of Kotlin/Native compiler. I have over 10 years of experience as a backend QA engineer — implemented automated testing for different services, different protocols and improved testing infrastructure.

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.

Likes 0

Comments 0

Shares 0

Articles 1

Views 6,4K

How does it feel to test a compiler?

I’m often asked by friends and colleagues what it’s like to test a compiler, so I decided to write an article about it.

Aug 08 6,4K

Alexander Zakharenko

Kotlin

Testing

Retweet on Twitter Foojay.io Retweeted

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

Retweet on Twitter Foojay.io Retweeted

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

Retweet on Twitter Foojay.io Retweeted

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