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Markus Eisele

@myfear.com

2.1K followers 530 following 1.4K posts

Developer, turned to consulting, developer relations, sales, and landed in marketing. Writing books for #Oreilly. Into Java, Kubernetes and such. Legal called to tell you that I'm not officially speaking for IBM.

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Markus Eisele @myfear.com · Aug 12

Big news! The book I co-authored with @natalevinto.bsky.social & Alex Soto, Applied AI for Enterprise Java Development, went into production last week! 📚

Coming this November from @oreilly.bsky.social

www.oreilly.com/library/view...

#AI #Java #Quarkus #LangChain4j #DevBooks

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Markus Eisele @myfear.com · 19h

Java 25's new CPU-Time Profiler (1) buff.ly/LKLEmJ4
#Java #jdk25

Java 25's new CPU-Time Profiler (1) - Mostly nerdless

Learn all about Java 25's new CPU-time profiler and why it matters in this weeks blog post from the creator himself.

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Markus Eisele @myfear.com · 23h

APIs. Kafka. LLMs.
Zero Trust touches them all.

My latest piece shows how Java architects can apply Zero Trust principles end-to-end using Quarkus.

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#Java #Quarkus #ZeroTrust #Kafka #AI

Reposted by Markus Eisele

Cowtown Coder @cowtowncoder.bsky.social · 1d

I blogged again: cowtowncoder.medium.com/jackson-3-0-...

Jackson 3.0.0 (GA) released

(October 3, 2025)

cowtowncoder.medium.com

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Markus Eisele @myfear.com · 1d

#serena: a powerful coding agent with semantic retrieval and editing capabilities (MCP server).

Serena is an interesting idea of using LSP servers and provide MCP that works with them enabling MCP apps to have access to symbolic lookup.

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GitHub - oraios/serena: a powerful coding agent with semantic retrieval and editing capabilities (MCP server)

a powerful coding agent with semantic retrieval and editing capabilities (MCP server) - oraios/serena

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Markus Eisele @myfear.com · 1d

Ever co-presented with your boss? It’s part storytelling, part demo-building, part diplomacy.
In my latest piece, I share the lessons I learned while prepping a TechXchange talk with my boss - plus why this is career development for Java devs.
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#Java #Quarkus #AI #DeveloperExperience

Markus Eisele @myfear.com · 2d

How to work in tech when your job isn't safe | sean goedecke

Tl;dr trust, respect, and helpfulness are thrown out the window and work turns into an ego driven, self centered adventure.

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How to work in tech when your job isn't safe

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Markus Eisele @myfear.com · 2d

The future of Java and AI
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#Java

IBM Developer

IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant technologies such as generative AI, data science, AI, and open source.

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Markus Eisele @myfear.com · 2d

Ever wanted AI to act like your personal museum guide?
With Quarkus, LangChain4j, and MCP, we built a Java demo where visitors:

- identify artworks from photos
- share impressions with selfies
- see live sentiment charts

Read the tutorial: buff.ly/8l6RmKq

#Java #Quarkus #LangChain4j #AI #MCP

Markus Eisele @myfear.com · 3d

Improving Java support in Cursor buff.ly/1x56UGd
#Cursor #Java #ibm #RedHat #Vscode

Improving Java support in Cursor · Cursor

Built to make you extraordinarily productive, Cursor is the best way to code with AI.

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Markus Eisele @myfear.com · 3d

Java developers: SOAP isn’t dead — but Quarkus makes it fast and clean.
I wrote a hands-on tutorial on building a SOAP server + client with a shared contract module and DTOs.

Read here: buff.ly/jY0zwrG

#Java #Quarkus #CXF #SOAP

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Markus Eisele @myfear.com · 4d

If you wanna try out Project Bob, the new IBM agentic coding partner, make sure to sign up for the waitlist! 👇🏻

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#IBM #DevX #Developers

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Markus Eisele @myfear.com · 4d

Announcing IBM Project Bob: Ship code faster with your AI-powered coding partner www.ibm.com/new/announce...
#aiml #developers #ide #ibm

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Markus Eisele @myfear.com · 4d

IBM and Anthropic Partner to Advance Enterprise Software Development with Proven Security and Governance newsroom.ibm.com/2025-10-07-2...
#ibm #anthropic #ibmtechxchange

Markus Eisele @myfear.com · 4d

Podman Compose vs Docker Compose buff.ly/5NhDVSj
#podman #Docker

Podman Compose vs Docker Compose

In this blog, you will take a look at Podman Compose. With Podman Compose, you can use compose files according to the Compose Spec in combination with a Podman backend. Enjoy!

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Markus Eisele @myfear.com · 4d

Want to bring AI into your Java workflows?
Our latest guide shows how to build a secure PDF processing pipeline with Quarkus, Camel, and LangChain4j.
→ Upload PDFs
→ Scan for viruses
→ Extract + Summarize with a local LLM
Read here: buff.ly/PNvqIBG

#Java #Quarkus #LangChain4j #AI #Camel

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Markus Eisele @myfear.com · 5d

dictionary-search-anagrams-java: A Java library for searching anagrams in a dictionary with different implementations. buff.ly/wyywkqI
#Java

GitHub - luismr/dictionary-search-anagrams-java: A Java library for searching anagrams in a dictionary with different implementations.

A Java library for searching anagrams in a dictionary with different implementations. - luismr/dictionary-search-anagrams-java

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Markus Eisele @myfear.com · 5d

Ever wondered what patterns your writing hides?
In this new hands-on tutorial, we use Quarkus + DeepLearning4j to scrape and cluster Substack articles into meaningful categories.
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#Java #Quarkus #AI #DeepLearning4j #Substack

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Markus Eisele @myfear.com · 6d

"People asking others to ditch programming because it doesn't have a future are doing you a huge disservice. History will not look kindly on them.

[...]

It will look very different—it already does—but there's never been a better time to be a developer."

Coding is over. Now what?

I never thought things were going to change this much. From the beginning, it was obvious that Large Language Models were not a joke, but I thought they had fundamental limitations preventing them from...

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Markus Eisele @myfear.com · 6d

Let the Model Write the Prompt bit.ly/42YwOzB
#developers #devx #llm #ai

Let the Model Write the Prompt

Notes from a talk I delivered at the 2025 Data + AI Summit, detailing the problem with prompts in your code and how DSPy can make everything better.

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Markus Eisele @myfear.com · 6d

From GO-BPMN to LangGraph4j →
How Java architects can finally design goal-oriented, agentic systems that adapt in real time.

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#Java #Quarkus #LangGraph4j #AgenticAI #Architecture

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Markus Eisele @myfear.com · 7d

Mandrel 25 is Here!

The #Quarkus team is thrilled to announce the official release of Mandrel 25! The beginning of the next LTS version of the Quarkus native builder.

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#GraalVM #Java

Mandrel 25 is Here!

Quarkus: Supersonic Subatomic Java

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Markus Eisele @myfear.com · 7d

Data is the hardest part of enterprise apps.
Quarkus makes it easier.

A journey from filtering to migrations, told as building a house
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#Java #Quarkus #Persistence #EnterpriseSoftware #Developers

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Markus Eisele @myfear.com · 8d

Writing Your Own MCP Server
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#Java #quarkus #goose

Writing Your Own MCP Server - Sebastian Daschner

AI agent tools such as Goose allow to call tools, that is function calling that can invoke any desired behavior in external tools and applications. In this video, I’m showing how to implement your…

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Markus Eisele @myfear.com · 8d

Tired of messy scheduling emails?
I wrote a step-by-step guide to build a real-time group poll app with Quarkus, REST, Qute, and WebSockets Next.
Fast, modern, and all Java.

Read it here: buff.ly/7jW5QCw

#Java #Quarkus #WebSockets #Qute #Postgres

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Markus Eisele @myfear.com · 9d

Two strategies to succeed when AI seems to be eroding jobs around you | I'd Rather Be Writing Blog and API doc course
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Two strategies to succeed when AI seems to be eroding jobs around you

This past year in the tech comm community, there’s been a lot of angst about job security with AI. In this post, I argue that our roles are shifting from writers to content directors. In this new…

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