Designed and developed cloud-native microservices to monitor and analyze real-time credit card and trading transactions. Implemented backend services using Java 11 and Spring Boot to create scalable REST APIs processing millions of daily transactions. Built real-time data pipelines with Kafka, deployed microservices on AWS ECS/Lambda, and developed React dashboards for fraud analysts and traders. Implemented RBAC and OAuth2 security, containerized services with Docker, and orchestrated with Kubernetes. Established end-to-end CI/CD pipelines with Jenkins and GitHub Actions and monitored systems with Prometheus, Grafana, and AWS CloudWatch.

Sr Java Full Stack Developer at Merck Pharma

February 1, 2023 - April 1, 2024

Designed cloud-based analytics solutions to modernize clinical trial data management (GSS-Customer Journey, AI-Fraud, Analytic-Ops). Built modular microservices with Spring Boot and Spring MVC, exposing REST APIs and integrating with legacy SOAP services. Utilized Kafka for real-time event processing and persisted data in PostgreSQL, MongoDB, and Cassandra. Deployed on AWS (ECS/Lambda/EC2) and implemented OAuth2/RBAC security. Crafted React dashboards with TypeScript and automated CI/CD with Jenkins and GitHub Actions. Ensured HIPAA/FDA regulatory alignment and monitored pipelines with Prometheus and Grafana.

Java Full Stack Developer at BNY Mellon

November 1, 2021 - January 31, 2023

Collaborated with stakeholders to translate banking requirements into scalable backend and frontend solutions. Developed high-performance REST APIs using Java 11, Spring Boot, Spring MVC, and Spring Data JPA; secured applications with Spring Security, OAuth2, and JWT. Built SPA frontends with React + TypeScript and introduced GraphQL APIs with Apollo Server. Implemented messaging using RabbitMQ and ensured observability with Prometheus and Grafana. Containerized services with Docker and Kubernetes (AKS), deployed on Azure, and used Terraform for infrastructure. Automated CI/CD with Azure DevOps and maintained code quality with SonarQube; enabled API testing via Postman and Swagger.

Java Full Stack Developer at McDonald’s

March 1, 2020 - October 31, 2021

Modernized legacy AngularJS 1.5 applications by migrating features to Spring Boot services. Developed REST APIs and reusable Angular components, and secured data with Spring Security, OAuth2, and JWT. Optimized Oracle 12c performance with PL/SQL and implemented Ehcache caching. Built SOAP-based services via Apigee for legacy integrations and managed deployments with WebSphere/Tomcat. Established centralized logging with Log4j/Splunk, participated in Agile ceremonies, and automated tests with Selenium; migrated batch jobs to Spring Batch; containerized apps with Docker and Kubernetes; documented APIs with Swagger/OpenAPI.

Java Full Stack Developer at App Labs

September 1, 2017 - December 31, 2019

Participated in Agile sprints and translated requirements into microservices using Spring Boot. Designed REST APIs and front-end interfaces with Angular 7, Spring Core, and Hibernate/JPA. Implemented Java 8 Streams and Lambdas for performance, and persisted data in MySQL. Containerized services with Docker and created Kubernetes manifests; set up CI/CD pipelines with Jenkins; implemented ELK-based logging and OAuth2 security. Contributed to QA/testing and helped migrate monolithic architecture toward a scalable microservices approach.