WarsawJS Meetup #129 - onsite

Join the community that loves code and isn’t afraid to ask the hard questions.
WarsawJS Meetup #129 is more than just presentations - it’s a space where we share experience, learn, and grow together.
Date: 13 August 2025
Location: TBA
Time: 18:30 - 21:30
What to expect?
🎤 Marcin Borkowski - “Taming massive files in the browser: chunking, streaming & reviewing”
Staff Software Engineer at Box (ex-Netflix). With 20 + years of experience, he’ll show you how to tame gigabyte-scale uploads, slice them into resumable chunks, stream huge CSVs, and build lightning-fast UIs.
🎤 Piotr Migdał - “Thanks to AI, you can WASM. Yes, even in Rust!”
CTO at Quesma and co-creator of Quantum Flytrap. Discover how a few well-crafted prompts unlock WebAssembly and Rust super-powers on the frontend.
🎤 Third speaker - TBA
⚡️ Oskar Korczak - “Prompt compressor” (Lightning Talk)
Seasoned SWE. Learn a simple prompt-compression technique that can slash your LLM bills right away.
Emcee: Mikhail Korolev
Networking: conversations, code, and contacts - the things we love most!
Save the date and join us - we look forward to seeing you!
Sponsors: Xfaang | TBA
Media partner: K MAG Magazine
Partner: JetBrains
‼️ By attending the event, you agree to the event regulations:
https://bit.ly/warsawjs-meetup-regulations