php-full-stack-developer

Laravel zero-downtime deployments require strict migration sequencing, backward-compatible schema changes, and queue pausing. You must separate deploy and migration steps to prevent data race conditions and enable safe rollback procedures.

Fixing N+1 query problems in Laravel involves diagnosing performance regressions and applying eager loading. You must profile the endpoint, use relationship eager loading, add proper indexing, and verify the query count drops to acceptable levels.

Pre-flight checks for production-impacting PHP changes require defining explicit goals, acceptance criteria, and stop-work rules. You must document verification steps, establish rollback plans, and enforce authorization safeguards before deploying.

Yes, API contract validation and database integrity safeguards are supported. The workflow enforces authorization and data validation best practices for critical endpoints, diagnosing contract issues and resolving bugs affecting data consistency.

Laravel queue jobs fail after deployment when workers process stale code or encounter broken job payloads. You must pause queue workers during deployment, flush stale jobs, and verify compatibility before resuming processing.

Use caching strategies for Laravel performance profiling when endpoints exhibit high database load or slow response times. You must diagnose bottlenecks, apply targeted caching mechanisms, and verify performance gains through testing procedures.