#Backend

13 posts found.

Redis Sliding Window Rate Limit in Practice cover image
2 min read
How to implement per-user call limits with Sliding Window and reduce false positives and misses
Tuning PostgreSQL feed lookup index cover image
2 min read
Query optimization guide to reduce feed API latency with complex indexes and execution plan interpretation
Practical application of Kafka Outbox Pattern cover image
2 min read
Outbox pipeline design that simultaneously ensures transaction consistency and event delivery reliability
Idempotency Key API Design cover image
2 min read
Organizing key scope, TTL, and response reuse policies to safely handle duplicate requests
gRPC + REST Gateway parallel strategy cover image
2 min read
Boundary design that controls operational complexity while maintaining gRPC on the inside and REST on the outside
Saga Orchestration vs Choreography Selection Criteria cover image
2 min read
Guide to selecting Saga patterns for distributed transactions, considering failover, traceability, and team structure
Feature Flag Rollout Checklist cover image
2 min read
Flag life cycle and observation indicator operation method to automate staged deployment and rollback
OAuth Token Rotation Hardening cover image
2 min read
Account takeover response method through refresh token reuse detection and session invalidation policy
Data Quality Contract Practice cover image
2 min read
A data team collaboration method that manages schema changes through contracts to prevent downstream failures
Practicing Clean Architecture in Next.js cover image
2 min read
Structure that clearly separates UseCase and Infra boundaries to suppress increase in complexity when expanding functions
Sharing Bounded Context for Startups cover image
2 min read
A DDD approach that ensures team scalability without oversplitting domain boundaries too early.
Microservice Contract Testing Guide cover image
2 min read
How to reduce communication failures after deployment by verifying the provider/consumer contract at the CI stage
Queue Backpressure Control Pattern cover image
2 min read
Designing limits, buffers, and retries to protect the system from producer-consumer rate imbalances.