BackendHTTP/3 and QUIC: What Backend Engineers Should KnowHTTP/3 replaces TCP with QUIC over UDP, eliminating head-of-line blocking at the transport layer — here's what actually changes for your services.httpnetworkingperformanceSep 16, 2026·4 min read
EngineeringStop Reaching for any: Narrowing unknown in TypeScriptWhy unknown is the type-safe replacement for any, and the narrowing patterns that make it practical in real code.typescripttype-safetyclean-codeSep 9, 2026·4 min read
SecurityPostgres Row-Level Security for Multi-Tenant ApplicationsHow to enforce tenant isolation at the database layer with Postgres RLS instead of relying on application code to remember a WHERE clause.postgresmulti-tenancydatabaseSep 6, 2026·4 min read
BackendIdempotent Background Jobs: Retries, Locks, Exactly-OnceExactly-once processing does not exist in distributed systems — here is how to design background jobs that survive retries, crashes and duplicate deliveries.background-jobsidempotencydistributed-systemsAug 26, 2026·5 min read
BackendMaterialized Views in Postgres: Trading Freshness for SpeedHow to use materialized views to speed up expensive aggregations in Postgres without silently serving stale data to your users.postgresdatabaseperformanceAug 22, 2026·5 min read
BackendIdempotency Keys in Practice: Making Retries SafeHow to design and implement idempotency keys so retried requests never double-charge, double-send, or double-create resources.idempotencyapi-designdistributed-systemsAug 15, 2026·5 min read
EngineeringCancellation Patterns in TypeScript: Taming AbortControllerWhy most async TypeScript code ignores cancellation entirely, and how to build composable, leak-free cancellation with AbortController.typescriptnodejsasyncAug 8, 2026·4 min read
ArchitectureMulti-Region Failover: What Actually Breaks in ProductionMulti-region failover looks simple on an architecture diagram — the reality is replication lag, split-brain writes and DNS caches that refuse to cooperate.databaseshigh-availabilitydistributed-systemsAug 8, 2026·5 min read
EngineeringTemplate Literal Types: Expressive, Type-Safe APIsUse TypeScript template literal types to encode event names, route patterns and permission sets in the type system — no runtime checks, no string drift.typescripttype-safetypatternsAug 8, 2026·4 min read