Full Stack Java Developer (Spring Microservices, AWS)

Full Stack Java Developer

Rohith Maddina

+1-925-***-**** ***********@*****.*** https://www.linkedin.com/in/rohithseshasaimaddina/ PROFESSIONAL SUMMARY

Full Stack Java Developer with 4+ years of experience building scalable, secure, and high-performance enterprise applications across healthcare, finance, and accounting domains. Strong expertise in Java, Spring Boot, Microservices, REST APIs, AWS, and modern frontend frameworks. Experienced in cloud-native development, DevOps practices, and integrating data-driven solutions to improve business efficiency and user experience. TECHNICAL SKILLS

Languages: Java (8–17), Python, SQL, JavaScript, TypeScript Frontend: Angular, React, HTML5, CSS3, Bootstrap, Redux Backend: Spring Boot, Spring MVC, Hibernate, JPA

APIs: REST, SOAP, WSDL, JAX-B

Databases: Oracle, PostgreSQL, SQL Server, MongoDB Cloud & DevOps: AWS (EC2, S3, Lambda, CloudFormation), Docker, Jenkins, Azure DevOps, CircleCI ETL & Reporting: SSIS, SSRS, Power BI

Security: Spring Security, OAuth2, JWT, Keycloak

Testing: JUnit, Mockito, Jasmine, Karma, Postman

Tools: Git, GitHub, SVN, Maven, IntelliJ, Jira, Hudson Monitoring: Splunk, Log4j

Methodologies: Agile (Scrum), Waterfall

PROFESSIONAL EXPERIENCE

Software Engineer February 2024 – Present

Capital One Virginia

Designed and developed RESTful microservices using Spring Boot, improving system scalability by 30%.

Built accounting and ticketing applications with smooth backend and frontend integration.

Applied SOLID principles and design patterns to improve maintainability and reduce code duplication.

Implemented secure authentication and authorization using Spring Security, OAuth2, JWT, and Keycloak.

Developed responsive UI using React 18 & TypeScript, supporting 10K+ active users and improving page load time by 25% through optimized API consumption & state management.

Built reusable UI components and implemented state management patterns, improving frontend performance and user experience consistency.

Automated CI/CD pipelines using Jenkins, Docker, Kubernetes, supporting 20+ deployments/month and re ducing deployment failures by 40%.

Optimized SQL queries and database operations, improving data retrieval performance by 35%.

Developed ETL workflows using SSIS and created reports using SSRS and Power BI.

Integrated Stripe APIs to enable secure payment processing workflows.

Improved application performance and response times by optimizing REST APIs and UI interactions.

Built data-driven models using Python for churn prediction and anomaly detection.

Containerized applications using Docker and automated deployments using CircleCI.

Leveraged AWS services (EC2, S3, Lambda) to support scalable and reliable cloud deployments.

Implemented logging, monitoring, and testing practices using Log4j, Splunk, JUnit, and Mockito to improve stability and reduce defects.

Java Full Stack Developer June 2021 – July 2023

CVS Healthcare Hartford, CT

Participated in Agile development cycles, consistently delivering sprint goals on time.

Designed and developed RESTful APIs using Spring MVC and integrated them with AngularJS applications.

Implemented SOAP-based services using WSDL and XML for cross-system communication.

Developed backend services using Spring Boot, Hibernate, and JPA to improve performance and maintainability.

Optimized SQL queries and database procedures, reducing report generation time by 40%.

Built single-page applications using AngularJS, improving user experience and responsiveness.

Implemented state management using Redux to reduce frontend validation issues.

Built Angular SPA applications, serving 8K+ users and reducing page reload time by 60%.

Implemented Redux state management, improving form validation accuracy across 50+ forms

Automated build and deployment pipelines using Jenkins and Maven.

Provisioned AWS infrastructure using CloudFormation and supported serverless development using Lambda.

Implemented logging and monitoring using Log4j and Splunk for faster issue resolution.

Developed and executed unit and integration tests using JUnit, Jasmine, and Karma.

Improved API performance and security through caching strategies and OAuth2-based authentication. EDUCATION

Master of Science in Computer Science

Montclair State University, New Jersey 2023-2025

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