• Designed a cheque deposit portal for China-specific users with MuleSoft API, automating the manual process and achieving a 90% reduction in processing time, ensuring compliance through strategic data migration.
• Solely developed and maintained a critical Image Records API, achieving 3M+ daily hits, updated compliance regulations for two years, and produced essential documentation that guided over 300 developers.
• Enhanced product quality and reliability by implementing a comprehensive testing strategy that encompassed A/B testing, rigorous unit testing with JUnit, and integration testing, elevating test coverage to 90%.
• Oversaw the observability and monitoring of APIs using AppDynamics and Splunk, and facilitated deployments through Jenkins pipelines. This approach contributed to achieving 99% API availability, markedly improving uptime and performance.
• Upgraded HSBC’s trading platform services, transitioning from Java 6 to Java 8, and incorporated resilient microservices practices including Circuit Breakers and Rate Limiters. Enhanced security with API Gateways, OAuth, and JWT tokens for secure financial transactions.
• Displayed strong initiative in support roles, effectively addressing site issues and bolstering system dependability with successful quarterly chaos tests, in addition to refining logging and post-deployment communication strategies across HSBC’s commercial banking division.