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Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India.
We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
How do you build AI systems that remain reliable under real-world conditions?
Next week at #SwissText2026, Mike Mannion and Olmo Barberis will explore this question from two different angles:
🎤 Probabilistic testing for stochastic #NLP systems with #PUnit (Mike)
🎤 Modern #OCR in resource-constrained environments (Olmo)
Mike and Olmo will be happy to discuss your challenges and use cases.
📅 June 10, 2026
📍 University of Zurich, Oerlikon Campus
👉🏻 https://www.swisstext.org
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
The AI testing train is nearing its destination. Next stop: #Lucerne.
After great discussions at the @jugch@ijug.social meetups in Basel, Bern and Zurich, Mike Mannion brings “AI broke my test suite” to Lucerne.
Sneak Peek:
→ probabilistic testing for LLMs
→ acceptable failure rates
→ resilient AI testing strategies
🎤 AI broke my test suite
📅 03.06.2026
🕕 18:15–19:30h
📍 Hochschule Luzern – Wirtschaft, Room 4.04
🎟️ Registration:
https://www.jug.ch/html/events/2026/testing-with-punit_lu.html
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
The AI testing train moves on. Next stop: Zurich.
After a great discussion at the @jugch@ijug.social meetup in Bern, Mike Mannion brings “AI broke my test suite” to Zurich — a talk about statistical #testing for LLMs in #Java.
Sneak Peek:
→ probabilistic testing for LLMs
→ acceptable failure rates
→ resilient AI testing strategies
🎤 AI broke my test suite
📅 21.05.2026
🕕 18:15–19:30h
📍 PH Zürich, Room E071
🎟️ Registration: https://www.jug.ch/html/events/2026/testing-with-punit_zh.html
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
Try ideas.
Build together.
Learn together.
Just code. #OpenSource. Community.
At the #HackergartenBasel, developers and tech enthusiasts come together to experiment, collaborate, and work on real projects.
📅 May 20, 18:00–21:00
📍 Karakun AG, Basel
👉 https://www.meetup.com/hackergarten-basel/events/313616130/
Hosted by @ixchelruiz@mastodon.social with contributors from the local developer community joining as well.
🍕 Pizza & drinks are on us.
You bring the curiosity.
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
LLMs force engineering teams to rethink one of the core assumptions of software testing: deterministic outcomes.
At today’s @jugch@jvm.social meetup in Bern, senior software engineer Mike Mannion talks about statistical testing for LLMs in Java using PUnit.
Sneak Peek:
→ probabilistic testing
→ acceptable failure rates
→ resilient AI testing strategies
🎤 AI broke my test suite
📍 Bern
🕕 18:00–19:15h
🎟️ https://www.jug.ch/html/events/2026/testing-with-punit_be.html
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
🏍️ Motorrad, 🚐 Campervan-Projekt und 🌱 Garten – und jetzt neu bei #Karakun:
Daniel Tiefenauer startet als Senior Software Engineer.
Nach Stationen als Software Engineer, Architekt und Tech Lead hat er sich bewusst für ein Umfeld entschieden, in dem #ContinuousImprovement, Respekt und Vielfalt mehr sind als Buzzwords.
Seine Ziele:
👉 neugierig bleiben
👉 Wissen teilen
👉 gleichzeitig Mentor und Lernender sein
Willkommen im Team, Daniel. 🚀
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
No tickets. No backlog. No pressure.
Just code. Real projects. #OpenSource.
At the #HackergartenDortmund, developers and tech enthusiasts work together on real projects — no agenda, just building together.
📅 May 5, 18:00–21:00
📍 Digitale Werkbank, Dortmund
👉 https://www.meetup.com/de-de/hackergarten-dortmund/events/312845285/
With Timothée Clolus with contributors like @madmas@jit.social, @claudine@ruhr.social and possibly @giftkugel@ruhr.social.
Pizza & drinks are on us. You bring the ideas.
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
What do #SoftwareEngineering, #AI, and Norse mythology have in common?
Our expert Dr. Iryna Dohndorf shares key insights from Stockholm — from #Java trends to the growing impact of AI and the importance of community-driven formats like the Mentoring Hub.
A great example of how modern software engineering is shaped: through exchange, real-world experience, and global developer communities.
👉 Read more: https://dev.karakun.com/2026/04/22/Jfokus2026.html
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
No pitch. No slides. No pressure.
Just code. Community. Open Source.
At the #HackergartenBasel, developers and tech enthusiasts work together on real #OpenSource projects — no agenda, just building together.
📅 April 29, 18:00 - 21:00
📍 Karakun office, Basel
Registration: https://www.meetup.com/hackergarten-basel/events/313616011/
With contributors like @martinfrancois@fosstodon.org, @ixchelruiz@mastodon.social and @aalmiray@mastodon.social. Pizza & drinks are on us. You bring the ideas.
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
Our booth isn’t ready. Our team is.
At #JCON2026 in Cologne 🇩🇪 — slightly chaotic start: roll-ups did not make it. 😢
But:
– great #Java & #SoftwareEngineering conversations
– our #JCON survey
– Basler Läckerli 🍪 + stickers
Plus:
🎤 Tamari (Thu 12:55): her first-ever talk on Accessibility
🎯 @martinfrancois@fosstodon.org and Iryna: Mentorship Hub Talk
👉 If you’re at #JCON come by our booth!
Beyond Cologne:
🇧🇪 @madmas@jit.social at #OCX with @ixchelruiz@mastodon.social
on #CRA, #NIS2, #DORA for senior Java engineers
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
What does it take to bring #NLP from research into real-world applications?
We’re supporting #SwissText2026 as a Silver Sponsor — a key conference for #TextAnalytics and applied #AI in Switzerland.
📅 June 10, 2026
📍 University of Zurich, Oerlikon campus
Keynotes include Prof. Dr. Alexandra Birch (University of Edinburgh / Aveni.ai) and Dr. Valentina Pyatkin (ETH AI Center).
Looking forward to exchanging ideas on semantic search and real-world use cases.
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
Testing AI systems? The old rules no longer apply.
Non-deterministic systems cannot be assessed using deterministic methods. “Pass/Fail” is too narrow.
At #SwissTestingDay, Mike Mannion reflected on key themes:
➡️ probabilities over binary results
➡️ system behaviour over isolated outputs
➡️ testing as a strategic discipline
He also points to approaches like #PUnit for evaluating such systems.
Conference insights: https://dev.karakun.com/2026/04/02/Swiss-Testing-Day.html
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
KI ist längst Standard im #SoftwareEngineering.
Aber nicht jede Anwendung ist sinnvoll.
Wir sehen aktuell oft:
Mehr KI → mehr Output → mehr Prüfaufwand → höhere Kosten.
👉 Deshalb wird aus KI-Nutzung schnell eine Architekturfrage.
@madmas@jit.social zeigt in seiner neuen Kolumne bei Inside IT, warum nachhaltige Software vor allem eines braucht: bewusste Entscheidungen.
Wo lohnt sich KI für euch – und wo bewusst nicht?
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
We’ll be at #JCON2026 in Cologne 🇩🇪
Meet us at our booth to talk about #AI and the #CyberResilienceAct – and how these topics show up in real-world software development.
We’re also running short interviews with attendees and bringing some Basel treats and stickers along 🍬
🎤 Talk by Tamari Gogebashvili
“From a Workshop to a Wake-Up Call: My Journey into Accessibility”
📅 Thursday, April 23
⏰ 12:55–13:15
📍 Cinema 6
Come by and say hi 👋
https://karakun.com/en/karakun-at-jcon-europe-2026
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
Elasticsearch 7 → 8 is not a simple upgrade.
It’s a migration.
New clients, #SecurityByDesign and API changes make this more complex than many teams expect — we’ve seen it firsthand.
We break down what really changes on the Karakun #DeveloperHub when moving from #Elasticsearch 7.17 to 8.19, including client updates, mappings and error handling.
Practical guide (incl. code & pitfalls):
https://dev.karakun.com/2026/03/26/elasticsearch-7-to-8-migration-guide.html
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
💻 Laptop. Idee. Community.
Der Rest passiert im #Hackergarten.
Am 18. März trifft sich die #OpenSource-Community wieder bei Karakun in #Basel um gemeinsam an Projekten zu arbeiten – ohne Pitch, ohne Sales, ohne Deadline-Druck.
Ob du regelmässig zu Open Source beiträgst oder an einer neuen Idee tüftelst: Hier geht es um gemeinsames Bauen, Austausch und echte Projekte.
📅 18.03.2026
⏰ 18:00–21:00
📍 Basel
👉 Anmeldung: https://www.meetup.com/hackergarten-basel/events/312253273/
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
Accessibility can feel like standing at the start of a marathon 🏃
The distance looks huge.
And many teams don’t know where to begin.
Especially with the European Accessibility Act approaching.
Start small:
1️⃣ learn the basics (#WCAG)
2️⃣ improve things step by step
3️⃣ share what you learn
Our UX expert Cindy Hürlimann explains how to get started in her latest #DeveloperHub article:
Karakun is a software engineering company with more than 65 employees. We are headquartered in Basel (Switzerland) and run subsidiaries in Germany and India. We offer comprehensive services from supporting organizations in optimizing software and process landscapes up to end-to-end development of high-quality software solutions based on Java and web technologies. Furthermore, Karakun offers comprehensive expertise in language analytics based on linguistic-, statistic- and AI-based algorithms.
If you cannot test it reliably, you cannot scale it responsibly. 💥
Non-deterministic behaviour challenges classical #SoftwareTesting assumptions.
Same input does not always mean same output — especially in #LLM-based systems.
Tomorrow in Basel, Mike Mannion speaks at @jugch@ijug.social about using #PUnit to extend #JUnit with statistical testing approaches.
📍 03 March | 18:15 | Markthalle Basel
https://www.jug.ch/html/events/2026/testing-with-punit.html
See you there.