Gilbert Christopher Siscar Email & Phone Number

- Developed a Kafka-based event management for subscription and user events using Python and AWS Lambda.- Implemented serverless architecture using AWS services (API Gateway, Lambda) with Serverless Framework for automated deployments.- Built and maintained a React user subscription management app for streamlined event publishing.- Optimized legacy applications (Java 8, Angular, React) through frontend improvements (lazy loading, code splitting, image compression, parallel API requests), backend logic refactoring (eliminated duplicate logic and nested loops, reduced payload sizes), and database enhancements (query optimization, indexed key columns).

Philippines

- Performs drive test and analysis using PHU Smart, Genex Probe/Assistant, and Nemo Handy- Set up long calls, short calls, UL/DL, and monitored signal levels, drop calls, hand-offs, and data throughput- Tests circuit switch fall back technique (CSFB) for supporting voice communication through LTE to analyze latency- Worked closely with senior engineers and made suggestions based on the data collected during the drive test- Identified problems in the field and notified the senior engineer responsible for the analysis

Iloilo, Western Visayas, Philippines

- Performed testing, troubleshooting, and repairing technical faults on consumer electronics- Utilized soldering procedures to facilitate the removal and installation of PCB components- Maintained, debugged, repaired, and tested electronic test apparatus to the component level