“Marcus is a brilliant, hardworking, down-to-earth, good mentor with vast knowledge gained from plenty of experience. He always shares his knowledge and is very open in his creativity and innovation. He has in-depth knowledge on JVM profiling, performance enhancement, Java debugging, and object oriented system design. He is and will be a great asset for the company he works for, and his team members will be lucky to have him.”
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Küssnacht, Schwyz, Switzerland
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2K followers
500+ connections
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Websites
- Personal Website
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https://hirt.se
- RSS Feed
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https://www.hirt.se/blog/?feed=rss2#
Activity
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I have never been more glad to be officially "Getting Too Old For This Shit"
I have never been more glad to be officially "Getting Too Old For This Shit"
Liked by Marcus Hirt
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The talk Florian Lehner and I submitted has been accepted at KubeCon 2026 in Amsterdam. 🎉 Small wrinkle: The talk says that the profiling signal is…
The talk Florian Lehner and I submitted has been accepted at KubeCon 2026 in Amsterdam. 🎉 Small wrinkle: The talk says that the profiling signal is…
Liked by Marcus Hirt
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I am looking to hire a Director of Technical Partnerships at Datadog, based in New York City, to help build and scale product led partnerships with…
I am looking to hire a Director of Technical Partnerships at Datadog, based in New York City, to help build and scale product led partnerships with…
Liked by Marcus Hirt
Experience & Education
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Datadog
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View Marcus’s full experience
See their title, tenure and more.
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Volunteer Experience
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Lender
Kiva.org
- Present 12 years 5 months
Economic Empowerment
I lend money at Kiva as part of the FSM team.
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Lecturer
Médecins Sans Frontières (MSF)
- Present 17 years 4 months
Disaster and Humanitarian Relief
I do lectures for private companies for donations to Médecins Sans Frontières for some years now. The largest individual grant was three thousand dollars. :)
Here is the latest fundraiser:
https://donate.doctorswithoutborders.org/account/ecard.cfm?tm=CFF7DD588D8AB3A58663A460BC4C2832
Here is another fundraiser:
https://www.actiezondergrenzen.nl/acties/akaasjager/java-mission-control-and-flight-recorder/actie.aspx -
Teacher
Stockholms stad
- Present 27 years 7 months
Education
Worked as a teacher on a summer’s course at Skärholmens Gymnasium. The aim of the course was to raise the interest in Science among girls in the 7th and 8th grade.
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Martial Arts Teacher
Täby JJK
https://www.tabyjujutsu.se
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Publications
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Oracle JRockit: The Definitive Guide
Packt
Filled with careful step-by-step instructions and plenty of screenshots, this tutorial shows you JRockit and how to get the most from it. All key concepts in the JRockit JVM, such as code generation, memory management and other internals are introduced. Performance aspects of Java are discussed in detail. A complete guide to use the tools in the JRockit Mission Control suite is also included, and much more. This book is for intermediate to advanced Java Developers, who want to monitor…
Filled with careful step-by-step instructions and plenty of screenshots, this tutorial shows you JRockit and how to get the most from it. All key concepts in the JRockit JVM, such as code generation, memory management and other internals are introduced. Performance aspects of Java are discussed in detail. A complete guide to use the tools in the JRockit Mission Control suite is also included, and much more. This book is for intermediate to advanced Java Developers, who want to monitor, diagnose, profile and enhance the performance of their Java applications. It is also for people who want to understand more about the internal workings of a modern Java Virtual Machine or adaptive runtime. Parts of the book are suitable as course material for education about runtimes.
Other authorsSee publication
Projects
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JDK Mission Control
- Present
Honors & Awards
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Duke’s Choice Award
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Java Champion
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Languages
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Swedish
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English
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German
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Organizations
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CAcert
Assurer
Recommendations received
6 people have recommended Marcus
Join now to viewMore activity by Marcus
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Datadog announces the general availability of Bits AI SRE, the company’s first AI agent. Powered by the full breadth and depth of the Datadog…
Datadog announces the general availability of Bits AI SRE, the company’s first AI agent. Powered by the full breadth and depth of the Datadog…
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Uber Please let us know what you're doing about this
Uber Please let us know what you're doing about this
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🇸🇪 En skål för SICS och ett slag för Sverige 🇸🇪 Det här är Per-Eric Olsson och Karim Nouira på SICS AI. Flinet, röda bandet och tavlan betyder…
🇸🇪 En skål för SICS och ett slag för Sverige 🇸🇪 Det här är Per-Eric Olsson och Karim Nouira på SICS AI. Flinet, röda bandet och tavlan betyder…
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We reached JDK 26 Feature Complete milestone today! Bye bye Applets 😪 , Platform integrity for the AI world with make Final mean Final (JEP 500)…
We reached JDK 26 Feature Complete milestone today! Bye bye Applets 😪 , Platform integrity for the AI world with make Final mean Final (JEP 500)…
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The Datadog team is here at Neurips and we are excited to talk about our work in modernizing engineering operations, code with AI across the stack…
The Datadog team is here at Neurips and we are excited to talk about our work in modernizing engineering operations, code with AI across the stack…
Liked by Marcus Hirt
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God I love the Java JVM. It’s trivial to build something. Step 0: install Java using SDKMAN.io: sdk install java 25-graalce && sdk default java…
God I love the Java JVM. It’s trivial to build something. Step 0: install Java using SDKMAN.io: sdk install java 25-graalce && sdk default java…
Liked by Marcus Hirt
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Many Java features (existing and future) can meet the demands of AI. 🤖 This presentation discusses these features and how they might be used by…
Many Java features (existing and future) can meet the demands of AI. 🤖 This presentation discusses these features and how they might be used by…
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¡Espectacular Datadog Live Madrid ayer, edición Navidad! Gracias a todos los asistentes y, sobre todo, a los ponentes por compartir casos reales, y…
¡Espectacular Datadog Live Madrid ayer, edición Navidad! Gracias a todos los asistentes y, sobre todo, a los ponentes por compartir casos reales, y…
Liked by Marcus Hirt
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I'm giving a private workshop tomorrow on AI-assisted development with Cursor, for 60 developers at a space technology company. Couldn't resist…
I'm giving a private workshop tomorrow on AI-assisted development with Cursor, for 60 developers at a space technology company. Couldn't resist…
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Imagine behaving like this at work! Is it just me, or does anyone else think that UK Parliament is a joke? I'm not particularly politically aligned…
Imagine behaving like this at work! Is it just me, or does anyone else think that UK Parliament is a joke? I'm not particularly politically aligned…
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Just FYI, we all have access to ChatGPT. I'm trying to have conversations on here with real people who have actual intelligence and experience…
Just FYI, we all have access to ChatGPT. I'm trying to have conversations on here with real people who have actual intelligence and experience…
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🚀 Guest Lecture Highlight @ Hochschule Hof, University of Applied Sciences 🚀 Today I had the pleasure of welcoming Adam Bien to my…
🚀 Guest Lecture Highlight @ Hochschule Hof, University of Applied Sciences 🚀 Today I had the pleasure of welcoming Adam Bien to my…
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We've been growing steadily in Stockholm for 2+ years now, great office, great colleagues, and we own several interesting products - Zettle…
We've been growing steadily in Stockholm for 2+ years now, great office, great colleagues, and we own several interesting products - Zettle…
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I was reminded yesterday that AI creates classes of bugs that didn't occur before. Using AI as a gap filler and bridge between tools works very well,…
I was reminded yesterday that AI creates classes of bugs that didn't occur before. Using AI as a gap filler and bridge between tools works very well,…
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Nicht auf den perfekten Moment warten - einfach anfangen! Viele warten auf Januar oder auf “den richtigen Zeitpunkt”, um ein Projekt oder eine…
Nicht auf den perfekten Moment warten - einfach anfangen! Viele warten auf Januar oder auf “den richtigen Zeitpunkt”, um ein Projekt oder eine…
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