Backend Engineering Tutorials

jev java tutorial

Article 8 min read

Jev answers typed questions (yes/no, pick one, rate on a scale) with probabilities instead of prose. There is no Java...

kafka spring-boot java distributed-systems

Article 18 min read

A Reddit thread asked whether Kafka can replace Redis for broadcasting cache updates to 25 Spring Boot pods. Here's a...

hibernate postgres spring-boot java

Article 13 min read

How to persist enums with JPA — @Enumerated ORDINAL vs STRING, why ordinal is a footgun, mapping a real Postgres...

pattern postgres spring-boot java

Article 28 min read

How to build a reliable async task execution engine on top of PostgreSQL and Spring Boot — from a basic...

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