Isuru Samaranayake Email & Phone Number

Colombo, WP, LK

Sri Lanka

• Engineered a feature for seamless 24x7 system shutdown and restart, ensuring no data loss during maintenance. This improvement enabled timely delivery of critical bug fixes to the pre-production environment.
• Managed data warehouse query escalations, directly resulting in the identification and implementation of process improvements that decreased data retrieval times by 50%, benefiting both product and solution teams.
• Revised and modified the current graphing components in the… Show more
• Revised and modified the current graphing components in the production system, allowing for the integration of negative values and improving reporting capabilities, which introduced previously missing capability of.
• Championed troubleshooting efforts for production and UAT issue calls, focusing on real-time data flow paths; this initiative enhanced response times by 30%, resulting in a smoother operational workflow.
• Implemented a metadata ingestion pipeline that elevated data consistency, eliminated 95% of the data entry errors, and enhanced the reliability of the data warehouse system, housekeeping components and downstream.

Sri Lanka

• Designed and implemented a data warehouse housekeeping feature that reduced query and storage workloads, streamlining data integration and cutting new release deployment time by 5 hours.
• Designed, Developed and documented a comprehensive disaster recovery site for the Surveillance business solution, ensuring system resilience during high-scale failures, achieving a 99.9% system availability rate and.
• Created and integrated a… Show more
• Created and integrated a Kafka data ingress pipeline with a library enhancing the existing data warehouse's capabilities, enabling the system to seamlessly handle 20 times the current data workload in future releases.
• Analyzed and redesigned stat calculation functionality using AWS EMR; removed underperforming elements and integrated a C++ library for on demand Impala queries, eliminating query failures from metadata sync errors.
• Realized a comprehensive operational life cycle for production systems, ensuring 99.99% uptime and seamless 24x7 operations, while strategically scheduling maintenance windows to minimize impact on service.

Malabe, Western Province, Sri Lanka

• Conducted rigorous non-functional testing of surveillance system components, identifying critical vulnerabilities and implementing bug fixes that boosted application performance, specifically database query performance.
• Redesigned the existing data warehousing stack for 24x7 operation with zero down time and fault tolerance capable of handling 150,000 rows per second peak data ingestion rate.
• Developed data snapshot… Show more
• Developed data snapshot capability in Apache Kudu database, resulting in a 50% improvement in query performance for warm starts and state rebuilding across components accessing the data warehouse during failure.

Sri Lanka

Bachelor Of Science - Bs, Computer Engineering

Activities and Societies: IIVCE

Education record

Activities and Societies: Maliyadeva College Astronomical Society