Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a Sr. Java Full Stack Developer with 10+ years of hands-on experience building scalable, high-performance enterprise applications. I specialize in Java, Spring, Hibernate, and modern frontend technologies like React and Angular, delivering robust, modular solutions with a strong focus on API design and cloud-native deployments. I am a collaborative problem-solver who thrives in agile environments, loves turning complex requirements into clean, maintainable code, and enjoys mentoring teammates to raise the overall quality and velocity of the team.…I am a Sr. Java Full Stack Developer with 10+ years of hands-on experience building scalable, high-performance enterprise applications. I specialize in Java, Spring, Hibernate, and modern frontend technologies like React and Angular, delivering robust, modular solutions with a strong focus on API design and cloud-native deployments. I am a collaborative problem-solver who thrives in agile environments, loves turning complex requirements into clean, maintainable code, and enjoys mentoring teammates to raise the overall quality and velocity of the team.

Mounika Sr.

Full Stack Developer, Web Developer, Back-End Developer, +2





I am a Sr. Java Full Stack Developer with 10+ years of hands-on experience building scalable, high-performance enterprise applications. I specialize in Java, Spring, Hibernate, and modern frontend technologies like React and Angular, delivering robust, modular solutions with a strong focus on API design and cloud-native deployments. I am a collaborative problem-solver who thrives in agile environments, loves turning complex requirements into clean, maintainable code, and enjoys mentoring teammates to raise the overall quality and velocity of the team.…I am a Sr. Java Full Stack Developer with 10+ years of hands-on experience building scalable, high-performance enterprise applications. I specialize in Java, Spring, Hibernate, and modern frontend technologies like React and Angular, delivering robust, modular solutions with a strong focus on API design and cloud-native deployments. I am a collaborative problem-solver who thrives in agile environments, loves turning complex requirements into clean, maintainable code, and enjoys mentoring teammates to raise the overall quality and velocity of the team.

Available to hire

I am a Sr. Java Full Stack Developer with 10+ years of hands-on experience building scalable, high-performance enterprise applications. I specialize in Java, Spring, Hibernate, and modern frontend technologies like React and Angular, delivering robust, modular solutions with a strong focus on API design and cloud-native deployments.

I am a collaborative problem-solver who thrives in agile environments, loves turning complex requirements into clean, maintainable code, and enjoys mentoring teammates to raise the overall quality and velocity of the team.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Sr. Java Full Stack Developer at Mastercard

December 1, 2023 - Present

Architected and developed microservices-based solutions using Java, Spring Core, and Spring Boot, optimizing system scalability and performance. Implemented dependency injection and aspect-oriented programming in Spring applications to enhance maintainability. Designed and built RESTful and GraphQL APIs; led frontend efforts with React.js, React Router, and Redux; utilized AWS Lambda for serverless solutions; managed cloud infrastructure with AWS services (EC2, S3, RDS, Auto Scaling, SQS, SNS, ELB, CloudWatch); automated CI/CD with Jenkins and AWS CodeBuild/CodeDeploy; wrote unit and integration tests with JUnit and Selenium; implemented Spring Security and Spring Batch; applied IaC with CloudFormation and Ansible; containerized apps with Docker, AWS ECS, and EKS; integrated Swagger for API documentation and Postman for testing; optimized MySQL and MongoDB interactions; built Node.js/Express.js backend services; collaborated with cross-functional teams in Agile/Scrum; used Cucumber (BD

Sr. Java Full Stack Developer at Mastercard

December 1, 2023 - Present

Architected and developed microservices-based solutions using Java, Spring Core/Boot/Security/Data JPA, and Hibernate; designed RESTful and GraphQL APIs; led frontend work with React.js and Redux; built serverless components with AWS Lambda; managed cloud infrastructure (EC2, S3, RDS, Auto Scaling, SQS, SNS, ELB, CloudWatch); automated CI/CD with Jenkins and AWS CodeBuild/CodeDeploy; implemented Spring Security and Spring Batch; optimized data access with MySQL and MongoDB; applied IaC using Terraform/CloudFormation and containerization with Docker, ECS, and EKS; collaborated across teams to deliver cloud-native, secure applications.

Sr. Java Full Stack Developer at Mastercard

December 1, 2023 - Present

Architected and developed microservices-based solutions using Java, Spring Core, and Spring Boot to optimize scalability and performance. Implemented dependency injection and aspect-oriented programming to improve modularity and maintainability. Designed and built RESTful and GraphQL APIs to enhance service communication and data retrieval. Led front-end development with React.js, React Router, and Redux to deliver dynamic, responsive user interfaces. Implemented serverless components with AWS Lambda; managed cloud resources (EC2, S3, RDS, Auto Scaling, SQS, SNS, ELB, CloudWatch); automated CI/CD with Jenkins, AWS CodeBuild and CodeDeploy. Employed Spring Security for authentication/authorization, Spring Batch for batch processing, and used OpenAPI/Swagger for API documentation. Containerized apps with Docker and deployed on AWS ECS/EKS. Integrated third-party services and optimized database interactions (MySQL, MongoDB). Collaborated with cross-functional teams in Agile environments a

Java Full Stack Developer at AbboM

November 30, 2023 - October 1, 2025

Utilized Hibernate ORM for efficient database interaction; developed high-performance web applications with Spring Framework (IoC/DI) and Spring Boot. Built RESTful services and GraphQL APIs; deployed on AWS (EC2, S3, Lambda, RDS). Applied OAuth 2.0 for secure authentication/authorization in microservices. Developed dynamic front-ends using Angular, TypeScript, and RxJS; integrated Apache Kafka for event-driven architectures; designed microservices for independent deployment and scalability. Implemented AJAX, optimized queries for PostgreSQL and Cassandra, and used Redis for in-memory caching. Automated deployments with Docker and Kubernetes; centralized logging with the ELK stack; unit tests with JUnit, Jest, and TestNG; SonarQube for code quality. Employed Terraform for IaC and Jenkins for CI/CD, with OpenAPI documentation and Gradle-based builds.

Java Full Stack Developer at AbboM

November 1, 2023 - October 1, 2025

Utilized Hibernate ORM for efficient data access; built and maintained high-performance web applications with Spring Framework (IoC/DI); developed RESTful services with Spring Boot; deployed cloud-native solutions on AWS; implemented OAuth 2.0 for secure authentication/authorization in microservices; created dynamic UIs with Angular and TypeScript; leveraged RxJS for reactive data streams; integrated Apache Kafka for event-driven architecture; designed microservices for scalable deployment; implemented AJAX for seamless client-server communication; optimized PostgreSQL and Cassandra queries; automated deployments with Docker and Kubernetes; added Redis caching; centralized logging with ELK Stack; unit testing with JUnit/Jest/TestNG; code quality via SonarQube; adhered to Agile practices; created OpenAPI documentation; ensured infrastructure as code with Terraform; managed CI/CD with Jenkins and Gradle; performed API integrations with Swagger/Postman.

Java Full Stack Developer at AbboM

November 1, 2023 - October 1, 2025

Utilized Hibernate ORM for efficient data access; built and maintained high-performance Spring-based applications with IoC/DI; developed RESTful services with Spring Boot and designed microservices architecture; deployed on AWS and Azure; implemented OAuth 2.0 for security; created dynamic UIs with Angular and RxJS; integrated Kafka for event-driven messaging; authored OpenAPI/Swagger docs and conducted unit/integration testing with JUnit/Jest; adopted Terraform/Ansible for IaC and Jenkins for CI/CD; optimized queries for PostgreSQL/Cassandra and used Redis caching for performance.

J2EE Developer at USAA

May 31, 2021 - October 1, 2025

Developed enterprise-grade applications using Spring Framework (IoC/DI), and designed RESTful APIs with Spring Boot. Deployed and maintained solutions on Microsoft Azure (App Service, Functions, DevOps) and leveraged Azure DevOps for CI/CD. Used Maven for dependency management, WebSockets for real-time communication, and Spring Data JPA for efficient data access. Built responsive UIs with HTML5, CSS3, JavaScript, and Angular; implemented JWT-based security in microservices. Worked with WebSphere/OpenShift environments, conducted unit testing with JUnit, and utilized Splunk for log analysis. Followed Agile methodologies (Kanban) and collaborated with cross-functional teams using Confluence and JIRA.

J2EE Developer at USAA

May 1, 2021 - October 1, 2025

Developed enterprise-grade applications using Spring Framework with IoC/DI; designed RESTful APIs with Spring Boot; deployed on Microsoft Azure cloud; implemented CI/CD with Azure DevOps; used Maven for dependency management; implemented WebSockets for real-time communication; integrated Spring Data JPA for data access and persistence; built responsive web pages with HTML5/JS; utilized Git for version control; implemented robust transaction management with proper error handling; authored secure JWT-based authentication for microservices; collaborated in a cross-functional, agile environment.

J2EE Developer at USAA

May 1, 2021 - October 1, 2025

Developed enterprise-grade applications using Spring IoC/DI and Spring Boot REST services; built microservices with WebSocket support for real-time communication; implemented JWT-based authentication and OAuth 2.0 authorization; deployed on Microsoft Azure with App Service/Functions and Azure DevOps for CI/CD; used Maven for builds and Spring Data JPA for data access; wrote optimized SQL for PostgreSQL; collaborated with cross-functional teams using Confluence/JIRA and performed code reviews.

Java Developer at Humana Inc

December 31, 2018 - October 1, 2025

Developed enterprise-grade applications with Hibernate ORM, applying microservices architecture to modularize systems. Built web applications using Java EE and Spring MVC with DI/IoC, and designed SOAP web services (WSDL) for distributed system communication. Implemented Servlets/JSP front-ends, JMS-based messaging, and Google Cloud Platform services (App Engine, Functions, Cloud Storage) with IAM for secure access. Automated builds with Maven, managed CI/CD via GitLab, and deployed on WebSphere/OpenShift environments. Used JUnit and Mockito for testing; collaborated with teams via Confluence and JIRA; supported Splunk monitoring and Kanban workflows.

Java Developer at Humana Inc

December 1, 2018 - October 1, 2025

Hibernate ORM-based data mapping to optimize database interactions; designed microservices architectures for modular deployment; developed Java EE and Spring MVC web apps with DI/IoC; implemented SOAP web services (WSDL) for distributed communications; built dynamic front-end using HTML/CSS/JS/jQuery/AJAX; integrated JMS for asynchronous messaging; deployed on Google Cloud Platform (GCP) with IAM for secure access; performed performance optimization and code reviews; collaborated using Confluence/JIRA and Agile methodologies.

Java Developer at Humana Inc

December 1, 2018 - October 1, 2025

Applied Hibernate ORM to optimize database interactions and implemented microservices to decompose monoliths; developed Java EE/Spring MVC web applications with DI/Ioc; designed SOAP web services with WSDL and implemented JMS-based messaging; deployed on Google Cloud Platform (App Engine, Cloud Functions) with IAM security; built front-ends using HTML5/CSS/JavaScript (Angular) and AJAX; managed CI/CD via GitLab CI; implemented OAuth 2.0/JWT for security; performed thorough unit testing with JUnit/Mockito and used Splunk for logging.

Jr. Software Engineer at eClerx

July 31, 2014 - October 1, 2025

Worked with Enterprise JavaBeans (EJB) to encapsulate business logic and integrate with backend systems. Built web applications using JSP/Struts, and enhanced UI with JavaScript/jQuery/AJAX. Contributed to SOAP-based Web Services (WSDL) and leveraged AWS services (EC2, S3, RDS) for cloud deployment. Optimized performance with Hibernate ORM, integrated RabbitMQ for messaging, and adhered to security best practices. Used NetBeans for development, GitLab/ SVN for version control, and Travis CI for CI. Participated in Agile processes and code reviews.

Jr. SoXware Engineer at eClerx

July 1, 2014 - October 1, 2025

Worked with Enterprise JavaBeans (EJB) to manage business logic; developed web apps using Java/JSP/Struts; created dynamic front-end with JavaScript/jQuery/AJAX; contributed to SOAP-based Web Services (WSDL); leveraged AWS (EC2, S3, RDS) for cloud infrastructure; optimized performance with Hibernate ORM; integrated RabbitMQ for reliable messaging; adhered to security best practices; used NetBeans for development; version control with SVN; participated in CI with Travis CI.

Jr. Software Engineer at eClerx

July 1, 2014 - October 1, 2025

Worked with Enterprise JavaBeans (EJB) to manage business logic and integrate with backend systems; developed web applications using JSP/Servlets/Struts and front-end tech (JavaScript/jQuery/AJAX); contributed to SOAP-based web services (WSDL) and used RabbitMQ for messaging; deployed on AWS (EC2/S3/RDS) and OpenShift; employed Hibernate ORM for performance and implemented security best practices; collaborated via Eclipse/VCS (SVN) and participated in Travis CI for continuous integration.