The ProdFix Blog

Multi-tenant SaaS built with AI can have data isolation bugs. Here's how to find and prevent them.

Analytics event tracking from AI often duplicates or misses events. Here's the production-correct pattern.

Background jobs and queues built with Cursor need specific patterns to be production-reliable.

AI handles i18n for your locale. Here's what breaks for users in other locales.

Cache invalidation is hard. AI makes it harder. Here's the patterns that cause stale data bugs.

GraphQL resolvers from AI have N+1 query problems and auth bypass risks. Here's what to check.

Real-time features look good in dev. Under real concurrent load, they fail. Here's how to catch it.

AI writes accessible-looking code that fails WCAG checks. Here's the gaps to fill before launch.

AI sometimes generates patterns that technically work but create poor user experiences. Here's what to watch for.

When every line is AI-generated, traditional code review needs to adapt. Here's the framework.

A real incident response playbook for solo founders. What to do in the first 5, 15, and 60 minutes.

A performance budget tells you when your app is too slow. Here's how to set one that protects conversions.

Multi-region deployment improves performance for international users. Here's when it's worth the complexity.

An error budget is the maximum acceptable downtime. Here's how to set one and use it to make decisions.

Constant firefighting burns out technical founders. Here's how automation and monitoring break the cycle.

API versioning prevents breaking changes from affecting existing customers. Here's the minimal strategy.

Webhooks without retry logic lose data when delivery fails. Here's the production-correct retry pattern.

A self-service security audit guide for solo founders who can't afford a penetration test.

Data exports fail for large datasets. Here's how to build them properly with background processing.

How to handle customer bug reports efficiently without a support team. The triage system that works.

Background jobs fail silently without monitoring. Here's how to set up job queue monitoring.

The technical decisions that make your SaaS easy to maintain for years. What to prioritize and avoid.

Multi-tenant database design patterns for solo founders. The tradeoffs between row-level security and schemas.

Your pricing page is your most valuable page. Here's the technical optimizations that improve conversion.