Prasiddha P.

Full Stack Java Developer @City National Bank

Los Angeles, CA, US

Led backend modernization efforts by decomposing the monolith into distributed Spring Boot 3.x microservices, designed for horizontal scaling and resilience under high-volume workloads — achieving sub-150 ms average API latency.• Developed RESTful and GraphQL APIs using Spring Cloud Gateway, Spring Security, and JWT, enabling secure and seamless integration between customer-facing portals and the bank’s core systems.• Implemented OAuth 2.1 authentication with AWS IAM role policies, enforcing Zero-Trust access controls and protecting sensitive endpoints across multiple cloud environments.• Engineered event-driven workflows using Apache Kafka Streams to support real-time transaction validation, ledger synchronization, and fraud alerting — improving throughput and reliability by 35%.• Built a DevSecOps CI/CD pipeline in Jenkins, GitLab CI, and ArgoCD, integrating SonarQube, Fortify, and OWASP ZAP for continuous vulnerability scanning and security gating.• Containerized and deployed all services via Docker and Kubernetes (EKS) with Helm + Terraform IaC, ensuring environment consistency and automated scaling across production clusters.• Established observability and performance telemetry using Prometheus, Grafana, and OpenTelemetry, providing end-to-end tracing of API performance, latency, and error metrics.• Collaborated with cybersecurity teams to conduct penetration testing and remediate OWASP Top 10 vulnerabilities, maintaining PCI-DSS and ISO 27001 compliance.• Optimized database and JVM performance, tuning SQL queries and heap configurations to improve response time by 25% and reduce compute overhead.• Mentored junior developers and led code reviews using JUnit and Mockito frameworks to enforce testing standards and ensure secure, maintainable code delivery.• Partnered with enterprise architects to define service design standards and best practices adopted across engineering teams.

Maharishi International University

Master's degree, Computer Science

University of Technology Sydney

Bachelor's degree, Enterprise System