Backend Developer (Java/Kotlin)
Developing enterprise-grade backend services in Java/Kotlin with a focus on reliability and scalability
级别：
Database Management
9 技能 · 45 要求| 技能 | Junior | Middle | Senior | Lead | Principal |
|---|---|---|---|---|---|
| Relational Databases | |||||
| PostgreSQL | Awareness | Working | Advanced | Expert | Expert |
| MySQL / MariaDB | Awareness | Working | Advanced | Expert | Expert |
| Database Optimization | |||||
| Database Indexing | Awareness | Working | Advanced | Expert | Expert |
| Query Optimization | Awareness | Working | Advanced | Expert | Expert |
| Transactions & Concurrency | Awareness | Working | Advanced | Expert | Expert |
| Connection Pooling | Awareness | Working | Advanced | Expert | Expert |
| Database Sharding | Awareness | Working | Advanced | Expert | Expert |
| Data Modeling | |||||
| Data Modeling & Schema Design | Awareness | Working | Advanced | Expert | Expert |
| Database Migrations | Awareness | Working | Advanced | Expert | Expert |