Evolving Web legacy systems with Microfrontends and Web Components – William Grasel

Evolving Web legacy systems with Microfrontends and Web Components - William Grasel

Itaú Unibanco has one of the largest and oldest internet banking of the world, it has a long old story, a story that we are not always proud to tell about. But we can’t just rewrite everything from the ground up, if we want to update it we need to find a way to do it coexisting with the legacy for a long time. This is not a introductory and conceitual talk, that’s a story of how are using a microfrontend architecture with the Web Component technology, how we are scaling these tools for thousands of developers working on it at the same time, and finally automatizing everything we could in the way! We hope our story can bring some hope and ideas for other companies out there to deal with their own legacy.

William Grasel – I’m a Web Developer for 15 years, and during the last 5 years I have been working with SPA and PWA projects in a big diversity of platforms and frameworks. I am an Open Source contributor and advocate, community leader, technical speaker, front end consultor and coordinator of AngularSP, the largest Angular and TypeScript community in Latin America, where we maintain a strong and up-to-update group, seeking for diversity in gender, race and social classes in all events.

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