AI 5 ARCHITECTURE 10 Algorithm 44 BATCH 4 CACHING 3 CICD 3 CLOUD 4 DB 11 DESIGNPATTERN 12 EFFECTIVE_JAVA 94 FRONTEND 20 HTTP 12 JAVA 28 JPA 7 KAFKA 10 KOTLIN 3 LOCAL_CACHE 2 MONITORING 3 NETWORK 5 NOSQL 3 REDIS 11 SECURITY 20 SERVER 3 SPRING 40 SYSTEMDESIGN 22 TEST 4