Led initiatives across 50+ engineers to enhance the reliability and customer experience of Confluent Kafka cloud service.

Championed design and implementation of tools to detect and mitigate production issues, reducing incident response time. Helped improve the availability goal of Kafka cluster from 99.5% to 99.99% and the fleet-wide availability goal achievement from 97% to 99%.

Improved deployment pipelines and regression testing, significantly decreasing customer-impacting errors. Helped deploy a new release every two weeks, originally approximately a couple of months.

Collaborated with infrastructure teams to optimize the stack and meet stringent SLAs.

Engaged with major enterprise customers to refine service reliability and scalability based on real-world feedback.

Inherited the leadership and successfully delivered parallel query execution for Aurora MySQL, achieving 10x performance gains for complex queries. Also, added hash join support that employed partitions and bloom filters.

Led rearchitecture of binlog commit processing, reducing crash recovery time by 90%.

Designed a safe deployment framework for major features, used by 50+ engineers, enhancing velocity with minimal disruptions.

Drove improvements in memory management, cutting out-of-memoryincidents and enabling hot restarts.

Headed a tiger team that burned down 100 long-standing technical issues.

Tracked the availability for Aurora MySQL/PostgreSQL. Helped identify and resolve major availability issues in collaboration with a 100+ engineer organization.

Acted as an escalation point for customer-critical incidents, partnering with architects and support teams.

In collaboration with database researchers, spearheaded development of advanced database features including XML/XQuery support, pureScale, and columnar storage.

Delivered high-performance and high-reliability features for index-based query processing, partitioned hash-join execution, and catalog management.

Led a performance benchmarking team for large-scale web applications.

Recognized with Master Inventor and received Outstanding Technical Achievement Awards.

Coordinate work from IBM

Lead a team to test and improve the performance of DB2 LUW. Focus was on the TPC-W benchmark. Worked closely with cross-site teams (e.g., RS6000 team in Austin).