Notes on architecture, backend engineering and the English journey.
I’m a senior backend developer learning English while going deeper into AI. In this post, I share my current English level, my challenges, my goals, and how I plan to measure my progress.
Scout checks your app's metrics every 20 minutes. When something goes wrong, it finds the broken part of the code and asks an AI model to explain the problem — and how to fix it.
AI assistants write code very fast. But the code goes to production with my name on the pull request. This is the checklist I use to review AI-generated code, and the mistakes I see again and again.
When you build an API, one important question is: **What happens if the same request is sent twice?** Sometimes, nothing bad happens. But sometimes, sending the same request twice can create duplicate data or perform the same operation twice.