MIMichael Interfaceinbackendops.hashnode.dev·Mar 1 · 3 min readThe Most Misunderstood Django OptimizationA few weeks ago, I was debugging what looked like a simple performance issue. An endpoint returning a list of organizations was slower than expected. Nothing dramatic — just slower than it should be. 00
MIMichael Interfaceinbackendops.hashnode.dev·Jan 25 · 4 min readWe Didn’t Expect This Page to Get So Much TrafficLike many B2B startups, our landing page started as a simple marketing surface. A headline, a short explanation of the product, and a section showing real usage metrics to build trust with potential customers. Nothing fancy. At least, that’s what we ...00
MIMichael Interfaceinbackendops.hashnode.dev·Jan 17 · 4 min readKeep the User Model Stable (and Let Everything Else Change)I treat the User model as one of the few tables in a startup backend that behaves like a public API. It’s referenced by auth, permissions, analytics, billing — almost everything. Once real users exist, changing User stops being a local refactor and s...00
MIMichael Interfaceinbackendops.hashnode.dev·Mar 31, 2025 · 5 min readHow to Use Pytest for Exception Testing: Insights from Open Source ProjectsTesting for exceptions is a crucial part of writing reliable code. Pytest provides powerful tools to check whether a function raises the expected exceptions under specific conditions. In this post, we'll explore real-world examples of exception testi...00
MIMichael Interfaceinbackendops.hashnode.dev·Nov 4, 2024 · 3 min readOptimizing DRF LimitOffsetPagination performance to avoid slow count queries.TLDR LimitOffsetPagination in Django can cause performance issues due to the expensive count query, especially with large datasets or search_fields. To improve performance, you can override the default pagination to skip the count query. The issue Li...00
