Backend engineering is a powerful spot to be in. Our backend API crashed 147+ stores and we needed a fix yesterday. Our fix made our backend 15x faster only after implementing multiples mistakes first. 🎓 FastAPI course can be found at: FastAPI Beginner & Advanced: Want FREE code repositories: Want to book a 1-on-1? 🎥 Turn 99% of the Web into LLM Knowledge: 🎥 Build AI Agents That Debate: 🎥 React + FastAPI: 🎥 Learn Python in 1 Hour: 🎥 PostgreSQL + FastAPI: 00:00 Intro 00:54 When everything went wrong 01:34 What the endpoints did 04:59 Mistake 1 06:58 Mistake 2 09:55 Then we tried this 11:13 Here is what it looked like 12:26 Business impact 15:42 Performance Lesson 1 16:06 Performance Lesson 2 16:26 Performance Lesson 3 16:54 Performance Lesson 4 17:16 Performance Lesson 5 17:59 Don’t do this 1 18:19 Don’t do this 2 18:36 Don’t do this 3 18:54 Don’t do this 4 #codingwithroby #backendengineering #python