DevFest Warsaw 2026: Real Work, Real Lessons 🚀
Join GDG Warsaw for a full day of practical ideas, honest stories, and conversations with the people building technology.
📅 21 November 2026
📍 Google for Startups Campus Warsaw, Plac Konesera 10, Warsaw
🎟️ Register on the official website
Already confirmed: at least 16 speakers and 12 sessions, with more announcements to come. Meet practitioners from companies including Google, Hugging Face, Wix, Bolt, solidgate, and Intellias, alongside voices from the wider developer community.
Expect talks, demos, hands-on workshops, a panel discussion, and plenty of opportunities to connect. We’ll explore topics including practical AI and machine learning, Google Cloud, web and mobile development, open source, and engineering culture.
Whether you’re a developer, designer, engineer, researcher, entrepreneur, or student, come ready to learn from real projects, exchange ideas, and meet people who enjoy building things.
🗣️ Sessions will be in English and Polish.
👀 Meet the speakers and explore the sessions. The detailed timetable will be published later.
DevFest Warsaw is a community-led event organized by GDG Warsaw, part of the worldwide DevFest series hosted by Google Developer Groups.
🇵🇱 DevFest Warsaw 2026: Real Work, Real Lessons 🚀
Dołącz do GDG Warszawa na dzień pełen praktycznej wiedzy, szczerych historii i rozmów z osobami, które tworzą technologię.
📅 21 listopada 2026
📍 Google for Startups Campus Warsaw, Plac Konesera 10, Warszawa
🎟️ Zarejestruj się na oficjalnej stronie
Potwierdziliśmy już co najmniej 16 osób w programie i 12 sesji — a kolejne ogłoszenia przed nami. Poznaj praktyków i praktyczki z firm takich jak Google, Hugging Face, Wix, Bolt, solidgate i Intellias, a także osoby ze społeczności deweloperskiej.
Czekają na Ciebie prelekcje, prezentacje, praktyczne warsztaty, panel dyskusyjny i mnóstwo okazji do poznania innych uczestników. Porozmawiamy m.in. o praktycznych zastosowaniach AI i uczenia maszynowego, Google Cloud, tworzeniu aplikacji webowych i mobilnych, open source oraz kulturze inżynierskiej.
Niezależnie od tego, czy jesteś osobą programującą, projektującą, inżynierem, badaczką, przedsiębiorcą czy studentką — przyjdź po wiedzę z prawdziwych projektów, wymianę doświadczeń i nowe znajomości.
🗣️ Sesje odbędą się w języku polskim i angielskim.
👀 Poznaj prelegentów i sprawdź sesje. Szczegółowy harmonogram opublikujemy później.
DevFest Warsaw to wydarzenie tworzone przez społeczność i organizowane przez GDG Warszawa, należące do światowej serii DevFestów organizowanych przez Google Developer Groups.
Agenda
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Speakers
Ivan Lapa - Netflix (Senior UI Engineer, Netflix)
Ivan Lapa is an AI engineer, consultant and technical speaker at Netflix, with 12 years of experience in product engineering and a full-stack/UI background. He builds AI features, agentic workflows and developer tooling, and helps engineering teams adopt AI in their delivery processes.
Dominika Zając - Qualtrics (Senior Software Engineer)
Full-stack developer who loves sharing their knowledge and singing. Google Developer Expert for Web Technologies, senior software engineer at Qualtrics, public speaker, trainer and blogger. Talking and writing about Web, a11y, teaching others how to code and code best practices.
Adrian Romański - PushBased (Full stack Developer)
I’m a full-stack developer passionate about Angular, Java, and clean architecture. My programming journey began with C++ in high school, later evolving through robotics studies at PJATK and backend development with Spring. Once I discovered Angular, I instantly fell in love with frontend development. Today, I specialize in Component-Driven Architecture with Storybook, app optimization, and Nx-…
Michał Tajchert - Lite e-Commerce (Chief Technology Officer)
Michał Tajchert is Chief Technology Officer at Lite e-Commerce, where he leads software, design and data for Żabka Jush and delio. He is the creator of the Kanarek air-quality app, an open-source contributor and a former GDG Warszawa organiser.
Kasper Kulikowski - Google (Senior Developer Relations Engineer)
Kasper Kulikowski is a Senior Developer Relations Engineer on Google's Chrome AI DevRel team. He helps web developers build experiences with AI and works with the core WebMCP team.
Yonatan Levin - Wild (Head of AI)
Yonatan Levin is Head of AI at Wild, an AI engineering leader and Google Developer Expert in AI. He previously led Generative AI, Public API and mobile teams at monday.com and helped build Android Academy.
Arek Borucki - Hugging Face (ML Platform & Database Engineer)
Arek Borucki is an ML Platform & Database Engineer at Hugging Face, where he works on the scalability, reliability and performance of infrastructure behind the Hugging Face Hub. He is a MongoDB Community Champion and author.
Tomasz Porożyński - deepsense.ai (Staff ML Engineer)
Tomasz Porożyński is a Staff ML Engineer at deepsense.ai and a Google Cloud expert interested in Kubernetes, serverless deployment, Python and practical open-source solutions.
Çalgan Aygün - FinalCheck (Senior DevOps Lead)
Çalgan Aygün is Senior DevOps Lead at FinalCheck and a Google Developer Expert. His work focuses on cloud architecture and DevOps.
Andrii Khrystian - Dynatrace (Senior Mobile Developer)
Andrii Khrystian is a Senior Mobile Developer at Dynatrace and the founder of GDG Linz. He builds scalable mobile applications using Flutter, Kotlin and Android.
Hasan Rafiq - Google (Forward Deployed Engineer)
Hasan Rafiq is a Forward Deployed Engineer at Google AI with more than 15 years of cloud and machine learning experience. He designs and implements large-scale ML, AI and generative AI solutions.
Panelists
Igor Kachura - Wix (General Manager)
Igor Kachura is General Manager at Wix and a product and engineering executive with more than 15 years of experience building technology businesses and globally distributed engineering organisations.
Serhii Kasianchuk - solidgate (Senior Engineering Manager)
Serhii Kasianchuk is a Senior Engineering Manager at solidgate, where he leads engineering teams developing modern payment infrastructure. His background includes distributed systems, cloud platforms and scalable services in Go.
Viacheslav Miroshnychenko - Bolt (Engineering Manager II & Engineering Site Lead)
Viacheslav Miroshnychenko is Engineering Manager II and Engineering Site Lead at Bolt. His experience includes engineering leadership, distributed systems and payment systems.
Yaroslav Polyakov - Google (Engineering Manager, AI)
Yaroslav Polyakov is an Engineering Manager working in AI at Google and a Fellow of BCS. His background includes AI/ML infrastructure and leading engineering teams.
Moderator
Dmytro Nedvetskyi - Intellias (Senior Engineering Leader)
Dmytro Nedvetskyi is a Senior Engineering Leader at Intellias with more than 15 years of experience building and scaling engineering organisations. His work spans platform engineering, AI-enabled products and distributed systems.
Hosted By
Michał Jabłoński, Developer + Geek
Vatsal Patel, Organizer
Oleksandr Katrych, Android Developer
Viktoriia Vinnykova,
Maryna Kamienieva, Infastructure `Analysist @Citi
Kamil Krawczyk, Organizer 343
Marcin Samsonowski, Enterprise Architect | Engineer | Trainer
I’m an architect with a strong technical background and a genuine passion for continuous learning and sharing knowledge. I love working at the intersection of people, processes, and technology - always aiming to find the right balance between quality and effectiveness.
I’m a firm believer in the transformative power of automation and AI, especially in how they can bring clarity, efficiency, and opportunity to complex environments.
Over the years, I’ve worked in variety of roles across diverse industries and company sizes - from early-stage startups to global enterprises. What drives me is connecting strategic perspective with practical execution and helping organizations use technology to achieve real business outcomes. My main focus areas are Enterprise and Solution Architecture, where I take a holistic view to make sure technology truly serves the bigger picture.
In free time mostly passionate about music (singing, playing, dancing) and sports (from martial arts to snowboarding).
Ephrem Worku,
Nataliya Pasichnyk, Engineering Manager
Jakub Kołakowski, Chief Wizard of GDG Warsaw
Do’er
Tomasz Flis, Frontend Developer
Frontend Developer from Poland with a passion for sharing knowledge about coding. Especially in Angular. Focused on making code easy to extend and read. Personally happy father, husband.
Anhelina Sudenkova, Mobile SWE
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Gold
MongoDB (https://www.mongodb.com)
MongoDB is a Gold Sponsor of DevFest Warsaw 2026.
Partners
Google For Startup (https://startup.google.com/)
Helion (https://helion.pl)
Polish publishing house and online bookstore specializing in IT, programming, and technology books.
Red Bull (https://www.redbull.com)
JetBrains (https://www.jetbrains.com)
JetBrains supports DevFest Warsaw 2026 with annual personal IDE subscriptions for attendee prizes.
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Complete your event RSVP here: https://gdg.community.dev/events/details/google-gdg-warszawa-presents-gdg-devfest-2026-warsaw/.
