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# Eugene Fidelin
Engineering Manager and frontend specialist building scalable UI architecture.

## About

Eugene Fidelin leads frontend engineering teams and shapes UI architecture at eBay. He focuses on building fast, reliable web infrastructure for massive e-commerce environments where page speed dictates success.

Much of his work centers on server-side rendering and web frameworks that actually scale. Eugene routinely breaks down the mechanics behind tools like Marko.js, unpacking its internal solutions to show engineers how to better optimize their own multi-page applications.



## Past Sessions

### World Congress 2025 · July 9, 2025
Berlin, Germany
- [Marko.js: Unsung Hero of Scalable Web Frameworks](https://www.wearedevelopers.com/videos/1669-marko-js-unsung-hero-of-scalable-web-frameworks) · 30 min · 🎥 Watch recording



## Videos

- [Marko.js: Unsung Hero of Scalable Web Frameworks](https://www.wearedevelopers.com/videos/1669-marko-js-unsung-hero-of-scalable-web-frameworks) · Eugene Fidelin


## Links

- [X](https://twitter.com/EugeneFidelin)
- [LinkedIn](https://www.linkedin.com/in/eugef/)