Swe Zero Downtime Deployment Blue Green
Blue-green deployment architecture, database migration pitfalls, and rollback mechanics for production-grade zero-downtime releases.
Blue-green deployment architecture, database migration pitfalls, and rollback mechanics for production-grade zero-downtime releases.
How to design message queue systems in interviews: Kafka vs RabbitMQ vs SQS tradeoffs, ordering, delivery guarantees, and 2026 patterns.
A practical breakdown of the testing pyramid — unit, integration, and E2E — with ratios, tooling, and CI strategy for 2026 teams.
A July 2026 engineering guide to Core Web Vitals: LCP, INP, and CLS budgets, measurement tooling, and fixes that actually move rankings.
How write-ahead logging guarantees crash recovery in databases: ARIES phases, fsync semantics, and interview-ready explanations.
Production-grade API rate limiting: algorithms, distributed enforcement, and 2026 tooling compared with code-level trade-offs.