Database Developer Resume Example

“Database developer with 5 years designing performant database schemas, writing complex stored procedures, and optimizing data access patterns for enterprise applications. Expert in SQL Server and PostgreSQL with deep knowledge of indexing strategies, query plan analysis, and data migration.”

• Designed the normalized database schema for the main application. Supports 50M+ records with sub-second reporting queries
• Fixed the top 100 slowest queries through index tuning and rewrites. Total database execution time dropped 65%
• Built the SSIS ETL pipeline that processes 10M+ records nightly from 8 source systems into our data warehouse
• Added table partitioning for 500GB+ transaction tables. Date-range queries got about 80% faster
• Set up an automated deployment pipeline for database changes with schema comparison, migration scripts, and rollback support
• Responsible for writing and maintaining stored procedures used by the application layer. About 150 procedures across 3 databases
• Worked with the application team to review data access patterns and recommend indexing strategies for new features
• Wrote data migration scripts for a major schema change that moved 200M rows without downtime. Ran it over a weekend
• Maintained documentation for all database objects including data dictionaries, ER diagrams, and change history

Include these keywords in your resume to pass Applicant Tracking Systems.

• Microsoft Certified: Azure Database Administrator Associate
• Oracle SQL Expert