• for the developer community
  • top speakers
  • top speakers
  • 100% solid content

Talk4Devs: knowledge worth sharing

April
2026

Hybrid event

j-labs, Zabłocie 43B, Kraków

Concurrency: No More Jokes

Prelegenci

  • Jarek Pałka
    Jarosław Pałka
    Senior Staff Software Engineer\Team lead\Benchmarking infrastructure at Neo4j

A solid dose of technical knowledge

Our motto? Maximum content, zero fluff. We bring in best IT experts, create space for live coding, and open discussions with speakers. You’ll see familiar faces, but also specialists who deliver just as much substance.

community that breathes code

This event is a great chance to talk to people who know their craft. No matter your stack or experience level, this is where you get inspired, refresh your knowledge, and meet brilliant minds from the tech world.

Time for an update

Every meetup is an opportunity to refresh your skills, dive deeper into the topic, and have a quality discussion with the speaker. Talk4Devs stands for expert-backed content: quality, reliability, and technology - the foundation of both j-labs and Talk4Devs.

Participants' feedback

Talk4Devs through the eyes of the community

See what attendees say about the event.

  • Each edition gives me tangible insights that I don’t usually come across at typical conferences. The panels are carefully curated, and the presentations maintain a high standard. After every meetup, I often feel inspired to dive deeper into the topics discussed. On top of that, you can always count on excellent catering on site.

    Bartosz Dybała
    Bartosz Dybała
    Software Engineer at Sinch
  • I rarely leave industry events feeling that it was truly worth my time. But that’s exactly how it's here. The talks are engaging, there’s no dragging things out, and there are always moments when you think, “wow, we have the same situation at our company.” And that’s the most valuable part.

    Paweł Ogrodnik
    Paweł Ogrodnik
    Senior Frontend Developer at Sabre
  • Talk4Devs is one of those events I attend with curiosity and always leave with a solid dose of practical knowledge. The talks are concrete and delivered by people who truly know their subject and can share valuable insights.

    Piotr Pasternak
    Piotr Pasternak
    Frontend Developer at j-labs
  • A very professional initiative - the speakers are always true experts in their fields, with great personalities and often happy to continue discussions and answer follow-up questions. j-labs does an excellent job managing time and maintaining a strong presentation flow, making it easy to stay fully focused throughout.

    Wiktor Miś
    Wiktor Miś
    Senior Software Developer at Autodesk
  • Talk4Devs opens up new perspectives on technology and ways of thinking about IT every time. It’s an event you leave with your head full of ideas and a fresh boost of energy to act. Definitely one of those meetups that stays with you for a long time.

    Radosław Grędel
    Radosław Grędel
    Java Software Developer at j-labs

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April
2026

Hybrid event

j-labs, Zabłocie 43B, Kraków

Concurrency: No More Jokes

Join us for the #103 Talk4Devs!

All talks will be held in Polish. To sign up, please switch to the Polish version of our website.

Prelegenci

  • Jarek Pałka
    Jarosław Pałka
    Senior Staff Software Engineer\Team lead\Benchmarking infrastructure at Neo4j

Our speakers

The people who inspire from the stage

See who stands behind the high-value content of Talk4Devs.

Meet all
  • Jakub Pilimon
    Jakub Pilimon
    Software Consultant / Trainer at Bottega IT Minds
    Learn more
  • Jarek Pałka
    Jarosław Pałka
    Senior Staff Software Engineer\Team lead\Benchmarking infrastructure at Neo4j
    Learn more
  • Aleksandra Kunysz
    Aleksandra Kunysz
    Mentorka at Wypalenie w IT
    Learn more
  • Piotr Konieczny
    Piotr Konieczny
    Founder at Niebezpiecznik.pl
    Learn more
  • Grzegorz Piwowarek
    Grzegorz Piwowarek
    Senior Software Engineer at Bound
    Learn more
  • Adam Bien
    Adam Bien
    Java Champion, AWS Hero, Architect, Consultant, Speaker, Author
    Learn more
  • Konrad Malawski
    Konrad Malawski
    Swift Language Team at Apple
    Learn more
  • Jacek Laskowski
    Jacek Laskowski
    Lead Instructor at Databricks
    Learn more
  • Marcin Moskała
    Marcin Moskała
    Technical Trainer at kt.academy
    Learn more
  • Jakub Nabrdalik
    Jakub Nabrdalik
    Solution architect, developer & mentor at Bottega IT Minds
    Learn more
  • Konrad Stelmach
    Konrad Stelmach
    Senior Manager, Solution Architects Team Lead, Senior Solution Architect at PwC Polska
    Learn more
  • Łukasz Kałużny
    Łukasz Kałużny
    Managing Partner & Technology Advisor at Protopia
    Learn more
  • Artur Skowroński
    Artur Skowroński
    Head of Application Development at VirtusLab
    Learn more
  • Piotr Bucki
    Piotr Bucki
    Co-founder, co-owner, member of the board at j-labs
    Learn more
  • Jakub Kubryński
    Jakub Kubryński
    CEO at SkillPanel
    Learn more
  • Kornel Skałkowski
    Kornel Skałkowski
    Principal Data Scientist at Xebia
    Learn more
  • Dominik Lewy
    Dominik Lewy
    Principal Data Scientist at Lingaro
    Learn more
  • Błażej Święcicki
    Błażej Święcicki
    Principal SRE at j-labs
    Learn more

Poznaj

Get to know j-labs and grow your career with us

We’re a company built by engineers, for engineers. Jan and Piotr created an organization they would want to work for themselves. We do good IT or nothing. Exciting projects, a flat structure, and a strong tech focus are in our DNA. Here, you work with experts with at least a decade of experience. We’ve been specializing in IT outsourcing for over 15 years, delivering projects in Poland and abroad, especially in the German market.

Meet j-labs

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