Software Design in Python - Your API Can’t Handle Real-World Integrations

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What you'll learn

This course includes

31.5 hours of video
Certificate of completion
Access on mobile and TV

Summary

Keywords

fastapi tutorial api design python rest api design python backend design fastapi best practices api schema design json field database sqlalchemy tutorial backend architecture python scalable api design python software design clean architecture python

Full Transcript

🧱 Build software that lasts. Join the Software Design Mastery waiting list → https://arjan.codes/mastery. Your clean API works… until integrations start piling up. One system needs an extra ID, another needs a reference, and suddenly your schema turns into a mess. In this video, I show a cleaner way to handle this using a flexible `custom_data` design that keeps your API structured without turning it into a junk drawer. 🔥 GitHub Repository: https://git.arjan.codes/2026/apidata. 🎓 ArjanCodes Courses: https://www.arjancodes.com/courses. 💬 Join my Discord server: https://discord.arjan.codes. ⌨️ Keyboard I’m using: https://amzn.to/49YM97v. 🔖 Chapters: 0:00 Intro 1:05 The Starting Point 2:35 The Real Problem 4:11 The Design We Want 4:50 Where the Logic Should Live 5:30 The Reusable Base Model 8:58 The API Schemas 10:50 Why This Pattern Works Well 11:17 When To (Not) Use It 12:12 Final Thoughts #arjancodes #softwaredesign #python