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React at Scale with Matheus Albuquerque

React at Scale with Matheus Albuquerque

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 In this episode of Señors @ Scale, Staff Frontend Engineer Matheus Albuquerque joins Dan to talk all things React, rendering, and real-world performance at scale.They dive into React scheduling and fibers, why rendering strategies always “depend,” and how to make performance decisions when millions of users are at stake. Mateusz shares war stories about dropdowns with 16,000 options, migrating a stable React app to SSR (and regretting it), and what happens when browsers you’ve never heard of load your app in production.They also unpack how feature flags and ring deployments help ship safely, why junior devs struggle when they learn frameworks before fundamentals, and how mentorship + RFC-driven development can keep teams moving in the right direction.🎯 Whether you’re debugging hydration issues, experimenting with performance APIs, or mentoring new frontend engineers, this one is full of sharp lessons from the trenches of large-scale React.*Chapters*00:00 Introduction to Mateusz Albuquerque04:19 The Journey to Programming06:57 Diving into Frontend Development09:33 Understanding React Scheduling12:21 Rendering Strategies in React15:01 Web Performance Challenges and Solutions17:30 Techniques for Optimizing Performance20:01 Common Challenges for New Developers32:13 The Importance of Foundational Knowledge33:56 The Value of RFC-Driven Development35:42 Proud Achievements in Software Development39:57 Challenges and Bugs in Large Scale Applications46:11 Best Practices for Frontend Development49:40 Recommended Reading for Developers54:22 Personal Interests and Relaxation TechniquesFollow & Subscribe:📸 Instagram: [ / senorsatscale ]( / senorsatscale )📸 Instagram: [ / neciudev ]( / neciudev )🎙 Podcast URL: [https://neciudan.dev/senors-at-scale](https://neciudan.dev/senors-at-scale)📬 Newsletter: [https://neciudan.dev/subscribe](https://neciudan.dev/subscribe)💼 LinkedIn: [ / neciudan ]( / neciudan )💼 LinkedIn: [ / se%c3%b1ors-scale ]( / se%c3%b1ors-scale )Keywords:Mateusz Albuquerque, React, frontend development, web performance, programming challenges, mentorship, feature flags, deployment strategies, tech conferences, performance optimizationDon’t forget to like, comment, and subscribe for more engineering stories from the front lines. Have you ever been burned by performance issues in production React apps? Share your story below 👇
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