• Design, implement/code, and optimize relational MySQL, MongoDB and EMR databases. • Build and manage data warehouses and columnar databases for analytics and reporting. • Write, tune, and review complex SQL queries, stored procedures, and performance optimizations. • Ensure database scalability, security, and high availability in production environments. • Implement backup, recovery, and disaster recovery strategies. • Collaborate with engineering and data science teams to support data-driven applications and pipelines. • Work closely with product teams and US-based clients, ensuring smooth communication across time zones. • Troubleshoot production database issues with a focus on root cause analysis and prevention.