Rajesh Kumar D.

Background

About Rajesh Kumar D.

Results-driven Senior Database Engineer with 10+ years of experience in designing, managing, and optimizing SQL Server, PostgreSQL, and MySQL databases. Expertise in performance tuning, automation (PowerShell, Shell scripting, Python), and high-availability solutions for mission-critical systems. Database Migrations & Cloud – Seamless migrations to AWS (RDS, Aurora, EC2), SQL Server upgrades, and PostgreSQL POCs (Babelfish). Database Design & Optimization – Scalable schema design, query optimization, partitioning, and indexing for high-performance OLTP systems. CI/CD & DevOps for Databases – Automated schema deployments, version control (Git, Liquibase, Flyway), rollback strategies. High Availability & Resilience – Always On Availability Groups, clustering, log shipping, mirroring, disaster recovery planning. Security & Compliance – TDE, backup encryption, access control, data corruption recovery, and compliance with regulatory standards. Automation & Monitoring – PowerShell, SQL scripting, performance monitoring, proactive alerting, and tuning for optimal uptime. Storage & Infrastructure – Windows Storage Spaces, AWS Storage (S3, EBS, FSx), server clustering, and resource optimization. Adept at collaborating with cross-functional teams, leading database modernization initiatives, and providing 24×7 support to ensure seamless operations in enterprise environments. Passionate about building scalable, resilient, and high-performing database systems.