https://peertube.lagbag.com/videos/watch/f62118be-fdd4-4c22-8c43-da34273d4838 Become a senior software engineer with a job guarantee: https://go.hayksimonyan.com/168-sd-course Master the exact system design and architectural skills required to break out of the mid-level and accelerate your career to a high-paying senior engineer role. Timestamps: 0:00:00 Introduction 0:02:13 Single Server Setup 0:06:20 Databases: SQL, NoSQL, Graph 0:12:40 Vertical vs Horizontal Scaling 0:16:50 Load Balancing 0:23:18 Health Checks 0:26:10 Single Point of Failure (SPOF) 0:29:50 API Design 0:46:06 API Protocols 0:57:59 Transport Layer: TCP, UDP 1:03:11 RESTful APIs 1:17:53 GraphQL 1:23:41 Authentication 1:44:40 Authorization 1:55:51 Security 2:03:30 What's next Sun, 21 Jun 2026 06:39:17 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://peertube.lagbag.com https://peertube.lagbag.com/client/assets/images/icons/icon-1500x1500.png https://peertube.lagbag.com/videos/watch/f62118be-fdd4-4c22-8c43-da34273d4838 All rights reserved, unless otherwise specified in the terms specified at https://peertube.lagbag.com/about and potential licenses granted by each content's rightholder.