> Markdown version of [/@dani-coll](https://www.wearedevelopers.com/@dani-coll). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Dani Coll Senior Developer Advocate at Dynatrace focused on JavaScript web architecture. ## About Dani Coll writes, speaks, and advocates for frontend development at Dynatrace. He spent a decade building applications across the stack鈥攕hipping native mobile applications and backend systems before committing fully to JavaScript and the frontend. Today, he breaks down engineering challenges into approachable lessons. His work focuses on practical web solutions, from optimizing browser performance with Web Workers to navigating the TypeScript features that actually help teams scale. He also shares hard-learned lessons on what makes internal design systems succeed or fail. ## Past Sessions ### World Congress 2026 Europe 路 July 8, 2026 Berlin, Germany - [TypeScript Features That Changed the Game](https://www.wearedevelopers.com/videos/100061-typescript-features-that-changed-the-game) 路 10 min 路 馃帴 Watch recording ### World Congress 2025 路 July 9, 2025 Berlin, Germany - [Multithreading in Javascript: A guide to Web Workers](https://www.wearedevelopers.com/videos/1673-multithreading-in-javascript-a-guide-to-web-workers) 路 30 min 路 馃帴 Watch recording ### World Congress 2024 路 July 17, 2024 Berlin, Germany - [5 tips to know before building a design system](https://www.wearedevelopers.com/events/world-congress-2024/sessions/81-5-tips-to-know) 路 10 min ## Videos - [TypeScript Features That Changed the Game](https://www.wearedevelopers.com/videos/100061-typescript-features-that-changed-the-game) 路 Dani Coll - [Multithreading in Javascript: A guide to Web Workers](https://www.wearedevelopers.com/videos/1673-multithreading-in-javascript-a-guide-to-web-workers) 路 Dani Coll ## Links - [X](https://x.com/danicolldev) - [LinkedIn](https://www.linkedin.com/in/daniel-coll-leal)