Senior Java Backend Developer at Mastercard

Designed and delivered scalable backend services with Node.js and TypeScript, building RESTful and GraphQL APIs to support high-volume, event-driven payment and notification workflows. Implemented distributed, asynchronous systems using Kafka (producers/consumers, Streams), RabbitMQ, and AWS SNS/SQS, enabling resilient message processing, retries, and fault tolerance. Built notification and event-processing microservices with Node.js + TypeScript, integrating AWS SNS, SQS, SES, Pinpoint, Webhooks, Twilio, and Lambda triggers to support multi-channel, high-throughput delivery. Developed backend APIs for Notification Management platforms using Node.js, MongoDB, DynamoDB, and Kafka for low-latency data access. Designed and operated cloud-native applications on AWS (EC2, ECS/Fargate, Lambda, S3, RDS, DynamoDB, VPC, CloudWatch). Collaborated with DevOps to maintain CI/CD pipelines using Jenkins, Docker, Kubernetes, and Git-based workflows. Automated infrastructure provisioning with Terrafor

Java Backend Developer at Anthem Blue Cross Blue Shield (Elevance Health)

Designed and delivered scalable backend services using Node.js and TypeScript, building RESTful APIs for healthcare workflows such as member onboarding, eligibility validation, and claims processing. Implemented event-driven, asynchronous processing using AWS SNS/SQS, Lambda, and Kafka to enable reliable notifications, workflow triggers, retries, and fault tolerance. Built notification and workflow services integrating Node.js, Twilio, and healthcare event hooks (FHIR-based), supporting high-volume alerts and downstream integrations. Developed cloud-native applications on AWS using EC2, Lambda, S3, RDS, DynamoDB, CloudWatch, ensuring scalability and secure data exchange. Collaborated with DevOps to create CI/CD pipelines using Jenkins, Git, Docker, Kubernetes, Maven/Nexus, and Terraform. Designed backend services with clean architecture (service layering, DAO/MVC), emphasizing API versioning, idempotency, caching, and observability. Leveraged Generative AI tools to accelerate code gene

Java Developer at State of Nebraska

Developed and maintained enterprise applications with Java 8, Spring Boot, Spring MVC, Hibernate ORM, and 40% frontend using React 16/17, ES6+, TypeScript, HTML5, CSS3, and Bootstrap. Engineered RESTful APIs and backend services enabling efficient microservice communication; applied Spring Dependency Injection and ORM with Hibernate. Built SPAs using React components with TypeScript. Implemented robust security protocols and deployed Java applications on Apache Tomcat and JBoss with enterprise security standards. Replaced Netflix OSS patterns with Spring Config Server, Eureka alternatives, and RabbitMQ for messaging. Integrated Azure Service Bus and Azure SQL for backend messaging and storage. MVC architecture with Servlets, JSP, Struts; Managed and optimized SQL queries in MySQL and Oracle; designed RFP microservices with Spring Boot. Integrated ELK stack for monitoring and logging. Created reporting with Crystal Reports. Implemented CI/CD with Jenkins, Docker, AWS EC2, and S3. Applie