Name: ReactJS Barcelona - March
Start: 2025-03-25T19:00:00+01:00
End: 2025-03-25T21:00:00+01:00
Location: CareerOS

Second Meetup of 2025! Let's gooo! We have some amazing speakers and some pizza and beer after the event!
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**19:30: Building a Design System for Web Applications: From Scratch to Continuous Improvement**
Speaker: [German Quinteros](https://www.linkedin.com/in/german-quinteros/), Senior Frontend Engineer @ Glovo

In this talk, we’ll dive into the essential elements of building a design system for web applications. Starting with why a design system is crucial for consistency, scalability, and efficiency, we’ll explore the key architectural decisions involved in creating a solid foundation.

You'll gain insights into the challenges faced while developing a design system, including component creation, cross-functional collaboration, and maintaining flexibility while ensuring consistency.

Once the system is live, we’ll discuss the importance of ongoing maintenance, how to gather feedback, and strategies for iterative improvement to ensure the system evolves as your product does.

Whether you're starting from scratch or refining an existing system, this talk will provide practical advice and real-world examples for building and maintaining a design system that grows with your web application.

**20:00: Smarter Routing with TanStack Router**
Speaker: [Alvaro Ritorto](https://www.linkedin.com/in/alvaro-ritorto/), Software Engineer @ CareerOS

Ditch the boilerplate and embrace smarter navigation. In this talk, we’ll explore how TanStack Router revolutionized our approach to routing in a real-world employer app. From type-safe routes and parallel data loading to state management and performance improvements, we’ll walk through key features that made a difference. You’ll learn about the challenges we faced, our decisions, and the lessons we took away from integrating TanStack Router into our stack.

**20:30: Drinks and networking!**
Do you want to talk at this meetup? Reach out to Dan Neciu [on LinkedIn](https://www.linkedin.com/in/neciudan/)
And please help us spread the news and grow the community:

[Twitter(X)](https://x.com/ReactJsBCN)
[BlueSky](https://bsky.app/profile/reactbarcelona.bsky.social)
[LinkedIn](https://www.linkedin.com/company/reactjs-barcelona/)
[Instagram](https://www.instagram.com/reactjs_barcelona/)

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**Sponsors:**
**[CareerOS](https://www.careeros.com/)**
At CareerOS, we believe that success goes beyond the basics—securing your ideal position requires building a strong network, connecting with advocates, and staying organized at every step.

That’s why we created CareerOS: a one-stop platform designed to help students and professionals advance their careers by strategically networking, connecting with key decision-makers, and streamlining every aspect of their job search. Founded in 2023, we’ve grown rapidly into a diverse team of 25+ professionals representing over 10 nationalities, headquartered in the vibrant city of Barcelona, Spain.

With partnerships spanning 40+ universities worldwide, we’re here to help students and professionals move past the job search grind and take confident strides toward a career they're truly passionate about.

Dan Neciu

ReactJS Barcelona

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JavaScript

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Web Technology

Web Development

Computer Programming

JavaScript Libraries

JavaScript Frameworks

Front-end Development

nodeJS

Backbone.js

Angular

JavaScript Applications

ReactJS

ReactJS Barcelona - March

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