Senior Full Stack Java Developer at Discover Financial Services

Developed cloud-native microservices on AWS using Java 17 and Spring Boot 3, improving transaction processing throughput by 40% while maintaining 99.99% service availability. Delivered end-to-end full-stack features using React, Angular, TypeScript, and Spring Boot, enabling reusable UI components and service templates that reduced feature delivery time by 20–35%. Built responsive enterprise UI using HTML5, CSS3, and TypeScript, improving mobile usability and reducing UI regression defects by 30%. Designed Spring Boot microservices with well-defined service boundaries and API contracts, reducing integration defects by 25% and improving onboarding efficiency. Implemented OAuth2, JWT, Kerberos, TLS, and AWS KMS encryption to strengthen security. Containerized services with Docker and deployed on AWS ECS/Fargate with autoscaling, increasing deployment frequency by 3×.

Senior Full Stack Java Developer at Verizon

Built and optimized RESTful APIs in Node.js, enhancing data retrieval speed by 20% and reducing server-side load by 35% through caching strategies. Migrated legacy frontend to modern stack (AngularJS, Tomcat API, Java, Spring) reducing page load times by 50%. Designed microservice architectures with Spring Boot, Java, and AWS Cognito to improve scalability and security. Improved search with Elasticsearch (40%+ speed/accuracy gain) and managed MongoDB environments, reducing processing time by 15%. Implemented OAuth/JWT security, automated cloud deployments with Terraform, and strengthened Git workflow and CI/CD pipelines with Docker/Kubernetes.

Full Stack Java Developer at First Horizon Bank

Designed an Open Bank Account component integrating with Confidential Open Now Fund Now XML web service, supporting multiple applications. Replaced traditional frontend with AngularJS/Tomcat API/Java/Spring, achieving a 50% reduction in page load times. Contributed to a new payment gateway increasing successful transactions by 20% and developed real-time financial data reporting and visualization tools. Implemented CI/CD pipelines, containerization with AWS, and enhanced data storage with SQL Server, MongoDB, and Redis.

Senior Java Developer at Mayo Clinic

Designed, developed, tested, and maintained Java-based applications; integrated components using APIs, microservices, and AWS cloud services. Collaborated with clinicians to deliver solutions tailored to clinical needs, ensured healthcare regulatory compliance, and automated CI/CD pipelines with Jenkins and GitHub. Improved code quality by addressing legacy code challenges and implemented secure coding practices in a healthcare environment.

Java Developer at Pennsylvania State Retirement System

Designed, built, and maintained Java-based applications to support retirement system operations. Created interactive UIs with JavaScript/HTML/JSP, performed unit testing with JUnit, and improved code quality and performance. Participated in Agile ceremonies to ensure timely delivery.