Speaker Directory

WarsawJS community speaker.

Product Manager, trainer, and consultant specializing in product management with an emphasis on identifying and analyzing real market problems. He has been working in the IT industry since 2014 — his experience spans systems maintenance, software development, R&D, and the Learning & Development domain. Professionally, he is interested in repeatable patterns, techniques, and standards for organizing work that enable both effective delivery and the pursuit of market innovation. He holds ITIL 4 Master and SAFe Program Consultant (SPC) certifications. He has been working with DevOps topics since 2018 — since then, he regularly explores and translates these and similar concepts into the organizational context of his clients.

Maciej is a JavaScript developer working on CKEditor 5 project. Big fan of good programming practices and test automation. Amateur basketball player.

Design systems enthusiast, who likes finding the cross-platform solutions. Characterized by precise and methodical approach to the problem. Open to exploring new technologies and development opportunities.

WarsawJS community speaker.

Web Developer since 2014. I am a frontender with some backend experience as well (mostly Node.js, a tiny bit of Java and PHP). Back in the days, I've been creating apps using frameworks (Angular.js/Angular 2+) as well as using vanilla JS. Currently Vue.js enthusiast.

Throughout his career, Łukasz has been a programmer, an architect, team leader, freelancer, consultant and technical director. He's passionate about self-improvement and knowledge sharing. Professionally he has many faces - architect by passion, full stack developer out of curiosity, and DevOps when he needs to be. Łukasz spent most of his career with the educational industry, software automation and ALM-class solutions (Application Lifecycle Management systems). He is constantly fascinated by integration and legacy systems problems.

WarsawJS community speaker.

WarsawJS community speaker.

Startuper. Ex-Googler. Software. Classical Music.

Years of JavaScript in production · Functional and reactive software design · Full-stack knowledge with specialization in frontend technologies · Experience in automated testing and TDD · Applied pair-programming · Simple solutions over complex abstractions · Always eager to learn and teach.

Łukasz Chludziński is a software engineer at Callstack, working hands-on with teams to ship reliable React Native apps across platforms. He's passionate about making cross-platform development smoother — especially when it comes to testing, performance, and making things just work regardless of where the app runs. Łukasz brings a practical, no-fluff approach to solving real-world engineering problems, and shares what he learns through talks and his podcast, React Universe On Air.