• Modernized company infrastructure by leading a critical migration project to transition from a costly, outdated mainframe database• Took ownership of migrating 3 billion records to a modern cloud-based solution (DynamoDB) and redesigning system architecture to improve efficiency, resiliency, scalability, and performance• Executed the migration using Python, Apache Spark, and AWS EMR while upgrading Java Spring Boot components and integrating new Kafka streams and APIs• Completed… Show more • Modernized company infrastructure by leading a critical migration project to transition from a costly, outdated mainframe database• Took ownership of migrating 3 billion records to a modern cloud-based solution (DynamoDB) and redesigning system architecture to improve efficiency, resiliency, scalability, and performance• Executed the migration using Python, Apache Spark, and AWS EMR while upgrading Java Spring Boot components and integrating new Kafka streams and APIs• Completed the migration 50% faster than the original estimate (15 days vs. 30 days), improved response times by 97% during peak hours, eliminated data loss, and saved the company $15 million annually in third-party database costs Show less

• Developed core functionalities for an online learning platform using Angular, TypeScript, and RESTful APIs• Designed database schema and developed essential CRUD operations for multiple modules, improving data management and platform functionality• Improved site responsiveness by 20% through the implementation of lazy loading techniques• Instructed students in Data Structures and Algorithms, enhancing their understanding and application of these critical concepts