Speaker Directory

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.

Full-stack developer. Swoje doświadczenie zdobywał budując obiecujące startupy, realizując pojechane projekty dla agencji interaktywnych, nie ominęła go również ciężka praca dla korporacji. Designer po godzinach, organizator Vue.js Warsaw Meetup.

Experienced change coordinator in IT. Thirsty for knowledge, fond of programming and focused to achieve mastery in web development technologies. In free time runner, cyclist and public speaker.

Software engineer at 0x. Computer Science at University of Warsaw.

Lena Sędkiewicz - a psychologist and BSF therapist, who around two years ago started career as a Web Developer. She was also working as a journalist, copywriter and she wrote two books. In her free time she loves to watch F1 races and crochet.

Making the world more productive via ClickUp. Now working on Dashboards - a highly customizable panel for projects, programs, initiatives, teams, departments and entire companies to have all the key information at their fingertips. Past experience in double-sided marketplaces, ecommerce and ads. Managing multiple teams dealing with data processing, machine learning, business workflows and consumer-facing applications.

Kuba is a front-end software engineer at Dropbox. He fell in love with front-end back in the jQuery times, switching frameworks a few times before ending with React. He's passionate about creating beautiful and user-friendly interfaces and tweaking UI details. Recently on the design systems team, improving the Dropbox DIG design system.

Engineering Manager at Box in Warsaw, leading teams that build and scale product experiences. Previously led engineering teams in various other companies. Prior to that worked mostly as a frontend focused software engineer.