Chandra Mouli Pappala

Senior Software Engineer @UnitedHealth Group

Cincinnati, OH, US

Developed and optimized Java 17 applications using HTTP and Kafka triggers to process UHC House Calls data, implementing the Dead Letter Queue (DLQ) mechanism, reduced data loss by 30%, ensuring seamless data processing.• Engineered a Redis Caching in the OCEP Layer to efficiently retrieve member PI/PHI data, reducing API calls by 70% and cutting associated costs by 40%, while seamlessly adhering to a strict 100req/sec rate limit for outbound communications.• Led the implementation of a centralized parent POM across multiple Martech Java repositories consists of 200+ function apps, reducing manual dependency and plugin management efforts by over 60%, addressing security vulnerabilities on time.• Created Databricks notebooks using Python and Spark to automatically reprocess failed Optum Health and Rx records from AJO workflows, ensuring timely delivery of emails, SMS, and mail to patients. This solution eliminated manual intervention, improved communication accuracy by 95%, and increased operational efficiency by 40%.• Implemented Azure context logging across 20+ function apps, increasing debugging efficiency and decreasing issue resolution time by 50%(from approximately 1 day to half a day) using Application Insights.• Designed Azure monitoring dashboards for each business unit, integrating context logging and KQL queries, which improved production debugging efficiency and reduced issue resolution time by 50%.• Redesigned certificate management for 200+ Azure Function Apps by centralizing Kafka certificates using Azure File Share mount paths, eliminating manual updates, reducing cert rotation errors, and increasing operational efficiency by 80% through a single-point update and restart mechanism.

National Institute of Technology Jamshedpur

Bachelor of Technology - BTech

University of Cincinnati

Master's degree