Database Engineer / DBA
Designing, optimizing, and administering databases
Level:
Database Management
16 skills · 80 requirements| Skill | Junior | Middle | Senior | Lead | Principal |
|---|---|---|---|---|---|
| Relational Databases | |||||
| PostgreSQL | Awareness | Working | Working | Advanced | Advanced |
| MySQL / MariaDB | Awareness | Working | Advanced | Advanced | Expert |
| NoSQL Databases | |||||
| MongoDB | Awareness | Working | Advanced | Advanced | Expert |
| ClickHouse | Awareness | Working | Advanced | Advanced | Expert |
| Apache Cassandra | Awareness | Working | Advanced | Advanced | Expert |
| DynamoDB | Awareness | Working | Advanced | Advanced | Expert |
| Neo4j | Awareness | Working | Advanced | Advanced | Expert |
| NewSQL Databases | |||||
| CockroachDB | Awareness | Working | Advanced | Advanced | Expert |
| Vitess | Awareness | Working | Advanced | Advanced | Expert |
| Database Optimization | |||||
| Database Indexing | Awareness | Working | Working | Advanced | Advanced |
| Query Optimization | Awareness | Working | Working | Advanced | Expert |
| Transactions & Concurrency | Awareness | Working | Advanced | Advanced | Expert |
| Database Administration | |||||
| Replication & High Availability | Awareness | Working | Advanced | Advanced | Expert |
| Backup & Disaster Recovery | Awareness | Working | Advanced | Advanced | Expert |
| Data Modeling | |||||
| Data Modeling & Schema Design | Awareness | Working | Advanced | Advanced | Expert |
| Database Migrations | Awareness | Working | Advanced | Advanced | Expert |