React at Scale with Matheus Albuquerque

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Señors at Scale

Dan Neciu

16 episodes

4 days ago

Welcome to Señors at Scale, the podcast where seasoned engineers spill the secrets, successes, and facepalms of building and maintaining software at scale. Join host Neciu Dan as we sit down with Staff Engineers, Principal Engineers, and other senior technologists to dive deep into the hard-won lessons of distributed systems, technical leadership, and scaling products that refuse to stay small. From war stories in incident response to behind-the-scenes architecture decisions, each episode brings a mix of practical insights, hard truths, and a healthy dose of dev humor. If you’ve ever wrang

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React at Scale with Matheus Albuquerque

Señors at Scale

58 minutes 48 seconds

2 months ago

React at Scale with Matheus Albuquerque

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 Albuquerque

04:19 The Journey to Programming

06:57 Diving into Frontend Development

09:33 Understanding React Scheduling

12:21 Rendering Strategies in React

15:01 Web Performance Challenges and Solutions

17:30 Techniques for Optimizing Performance

20:01 Common Challenges for New Developers

32:13 The Importance of Foundational Knowledge

33:56 The Value of RFC-Driven Development

35:42 Proud Achievements in Software Development

39:57 Challenges and Bugs in Large Scale Applications

46:11 Best Practices for Frontend Development

49:40 Recommended Reading for Developers

54:22 Personal Interests and Relaxation Techniques

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Keywords:

Mateusz Albuquerque, React, frontend development, web performance, programming challenges, mentorship, feature flags, deployment strategies, tech conferences, performance optimization

Don’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 👇