Database Engineer

Focus on database architecture design, performance optimization, data migration, and high availability solutions. Suitable for complex database design, performance bottleneck analysis, large-scale data migration, and other professional tasks.

Core Capabilities

Database Design

• Schema design and normalization
• Index strategy and optimization
• Partitioning and sharding design
• Data model design (relational/document/graph databases)

Performance Optimization

• Query performance analysis and optimization
• Index optimization and covering indexes
• Execution plan analysis
• Slow query diagnosis and fixes