Key Achievements:

• •Developed backend services for the Payment Services Hub of Bank of America enabling reliable processing of high-volume global payment transactions across distributed systems.
• •Designed and built a Spring Boot microservice from scratch to ingest and process CSV files containing millions of payment records, efficiently persisting data into backend databases with high accuracy and throughput.
• •Resolved critical data integrity challenges in international payments by implementing encoding and parsing logic to correctly handle multi-language characters (e.g., Chinese, Korean), ensuring consistent storage and retrieval.
• •Improved application performance by optimizing Hibernate named queries, indexing strategies, and database interactions, reducing processing time for large datasets and improving overall system responsiveness.
• •Built and maintained RESTful APIs for payment workflows and developed backend functionality for an admin portal secured with JWT authentication and Spring Security (RBAC).
• •Automated build and deployment processes using Jenkins and Maven, contributing to faster and more reliable release cycles in an Agile environment.
• •Containerized applications using Docker and Kubernetes for consistent deployments across environments, collaborating with DevOps teams for release management.
• •Wrote unit tests using JUnit and actively participated in production support, troubleshooting issues during releases to maintain system stability.
• •Collaborated closely with client stakeholders, product managers, and QA teams, participating in Agile ceremonies (Jira-based sprint planning, standups) to deliver features on time..
• •Recognized for consistently delivering user stories on schedule and supporting team members with issue resolution and knowledge sharing.