How to Put PostgreSQL on Your Resume

Reworked slow PostgreSQL queries and added a Redis caching layer with connection pooling, which brought the average API response time down from 800ms to under 200ms and reduced database CPU usage during peak traffic by about half

Migrated financial transaction data from MongoDB to PostgreSQL across 3 services over a 4-month period while maintaining backward compatibility the entire time. Query performance improved 60% and the team finally had proper ACID compliance for payment flows

Worked with the security team to implement encryption at rest for all PII fields across 3 PostgreSQL databases, including a migration strategy that re-encrypted 40M existing rows without downtime. The project was a prerequisite for the company's SOC 2 certification

Set up database migrations and seed scripts for PostgreSQL using Prisma, managing schema changes across dev, staging, and production environments. The team went from manual SQL scripts to automated migrations that run as part of the deployment pipeline

Managed 200+ production databases totaling over 50TB across PostgreSQL, MySQL, and Oracle, maintaining 99.999% uptime through automated failover, proactive monitoring, and quarterly disaster recovery testing. The databases serve 15 application teams and handle 100M+ queries per day