The Hack Summit 2026

Kolektyw3 hosts the Warsaw stop of ESCP Business School's entrepreneurship week — and the afternoon is open to the local ecosystem. Join founders, investors and ESCP students from the Berlin campus for an honest look at where deeptech and venture capital in Poland stand right now: a fireside chat with Aleksandra Pedraszewska (vastpoint) and Wojciech Walniczak (OTB Ventures), followed by Deepflare on building deeptech out of Poland. Lunch and coffee are on us. Agenda 13:00 — Networking lunch 14:00 — Fireside chat: Aleksandra Pedraszewska (vastpoint) × Wojciech Walniczak (OTB Ventures) 15:30 — Coffee break 16:00 — Piotr Grzegorczyk (Deepflare): building deeptech out of Poland 17:00 — Closing Venue Kolektyw3, Koszykowa 54, Warsaw — a coworking and community space for people building startups in Web3, AI and deeptech. Hosted by Kolektyw3 together with ESCP Business School (Berlin Campus).

We wrześniu spotkamy się aby podyskutować o tym jak AI jest wdrażane i wykorzystywane w firmie Dropbox. Pojawią się i podzielą się z nami swoją wiedzą: Adam Zasada is a Senior Product Manager working on Payments at Dropbox, with 10 years of experience across fintech, Web3 infrastructure, AI agents, and GTM. He previously co-founded 0xKYC, a zero-knowledge identity protocol backed by Outlier Ventures and angel investors. Outside of work, he can often be found DJing house music. Karol Harabasz is the Site Lead at Dropbox and a seasoned engineering leader who has spent his career building and scaling tech organizations in Poland. He specializes in growing engineering sites from the ground up, fostering high-performing teams, and making remote, global collaboration actually work. Deeply passionate about organizational design and modern development practices, Karol is a frequent speaker and mentor in the tech community. Additionally, Karol focuses on making a positive impact by supporting local NGOs. He’s also a proud cat dad to three rescues and firmly believes that real leadership is about lifting others up—both inside and outside the office. Karol holds an MBA from Franklin University and is PMI-certified. Partnerzy wydarzenia: Ważne! To wydarzenie jest dostępne wyłącznie dla zaproszonych gości. Ze względu na ograniczoną liczbę miejsc w Rotundzie udział w wydarzeniu jest możliwy wyłącznie po uzyskaniu zgody organizatora. Prosimy o świadomą i terminową rejestrację! Jeśli zapisałeś / zapisałaś się a nie odwołałaś swojego udziału będzie wykluczana z następnych wydarzeń. W trakcie eventu nie oferujemy napojów / jedzenia - prosimy o zapewnienie ich sobie we własnym zakresie. Jak dostać się na event? Wejście do budynku znajduje się na tyłach banku PKO BP - od strony Pasażu Wiecha / Starbucks. Do zobaczenia! Artur Kurasiński

(polska wersja poniżej) This is a weekly small group gathering, where you can ask any question about Bitcoin directly. There are no presentations, everything is question-driven and focused on your individual needs. During the meetup you can: \- learn why Bitcoin was created and what problems it's solving \- set up your own Bitcoin wallet \- learn technical details of how Bitcoin works \-\-\- PL \-\-\- Ten meetup to cotygodniowe spotkanie w małych grupach, podczas którego możesz zadać dowolne pytanie na temat Bitcoina. Nie będzie prezentacji, całe spotkanie koncentruje się dookoła Waszych pytań i indywidualnych potrzeb. Podczas spotkania możesz: \- dowiedzieć się dlaczego powstał Bitcoin i jakie problemy rozwiązuje \- zainstalować portfel Bitcoin \- nauczyć się jak Bitcoin działa od strony technicznej

Important: Register on the event website is required for admission. RSVP on meetup is turned off. Databricks DevConnect is a technical meetup where data and AI practitioners dig into the details, collaborate, learn, and find their people, hosted by the Databricks Developer Relations team. Together, we’ll chat about new features, dive into meaty topics, share real-world experiences, and explore new ways to use Databricks so you can become the best developer you can be. ​​Why You Can't Miss This Event: 🏆 Become a 10x data and AI practitioner by using the best of Databricks for your Data + AI projects. 🧠 Learn from exclusive experts you won’t hear anywhere else, including Product Managers, DevRel, Field Engineers, and MVPs. ​​​🤝 Connect with your community and build lasting relationships with fellow practitioners and Databricks Developer Advocates, MVPs, and Product teams. ​​👕 Get those goodies: Swag will be raffled off throughout the event and attendees will get access to hands-on training and guided labs through Databricks Academy Labs post event! Agenda: 5:00 PM \- 6:00 PM \| Registration & Mingling 6:00 PM \- 6:05 PM \| Welcome Remarks 6:15 PM \- 6:45 PM \| Session \#1: Artisanal hand crafted data builds 6:45 PM \- 7:15 PM \| Session \#2: Token maxxing data builds 7:15 PM \- 7:45 PM \| Session \#3: Handing builds to the masses 7:45 PM \- 8:00 PM \| Closing Remarks 8:00 PM \- 9:00 PM \| Networking Reception with bites and beverages Speakers: Holly Smith, Staff Developer Advocate, Databricks LinkedIn Oleksandra Bovkun, Sr. Developer Advocate, Databricks LinkedIn Robert Pack, Staff Developer Advocate, Databricks LinkedIn Laurent Fabre, Senior Solutions Architect, Databricks LinkedIn

The LangChain Community Meetup is back in Poland. After Kraków, we are bringing it to Warsaw on 15 September. The subject: what happens after the demo, LLM agents running in production. Hosted by the LangChain community in Poland, organised by Simon Budziak, LangChain Ambassador for Poland (Soba Labs), and Paweł Twardziak, LangChain Expert (Devs 3.0), with SYZYGY hosting us in Warsaw. What to expect Three/four talks and practical patterns you can take back to your own stack, from people shipping them now Open networking with the Polish LangChain community Pizza and drinks Who should attend Mid to senior developers, AI and ML engineers, tech leads, CTOs and founders building agentic systems. The content is production-focused rather than introductory, so working knowledge of LLMs and APIs will help. Agenda 18:00 Doors, registration and networking 18:30 Talks 20:30 Open networking 21:30 Close Speakers Greg Radzio, Lowgular, Fractional CTO Evals for web development tasks: datasets, golden outputs and reading the experiments in LangSmith. Simon Budziak, Soba Labs, LangChain Ambassador for Poland Loop engineering: designing the self improving agent's loop. Paweł Twardziak, Devs 3.0, LangChain Expert Governed agents: cost, compliance and control in the request path. Places are limited and registration is subject to approval. A second edition follows in Wrocław on 22 September. About LangChain: LangChain enables every company to own their intelligence. LangChain's open, model-agnostic harnesses give teams choice and control over how they build their agent architecture. LangSmith brings testing, deployment, and monitoring together so teams can continuously improve their agents, compound intelligence, and govern them at scale. More than 7,000 customers, including Nvidia, Bridgewater, LinkedIn, Workday, Harvey, and Rippling trust LangSmith to improve their agents across the Agent Development Lifecycle. Learn more: www.langchain.com