Sai S Email & Phone Number

Jersey City, Nj, Us

Phoenix, Arizona, United States

As a Senior Java Full Stack Developer at Citizens Bank, I play a pivotal role in the entire Software Development Life Cycle (SDLC) from requirements gathering to architecture design and testing using the SCRUM methodology. I specialize in developing robust applications using the Spring Framework, including Spring Boot, MVC, Security, and other modules. My work leverages core Java concepts like multithreading, collections, and exception handling, with a focus on optimizing code extensibility through design patterns such as the Factory Method.I am responsible for designing and developing responsive web applications using HTML5, CSS3, JavaScript, Angular 14, and Bootstrap. I implement advanced Java 8 features and real-time data processing solutions with Apache Flink to enhance application performance and efficiency. My role includes developing Microservices with RESTful web services, utilizing technologies such as AngularJS, Express, Node.js, and MongoDB in a MEAN stack architecture.Key achievements:• Implementing Kafka consumers for real-time data analysis and developing batch jobs for efficient database operations.• Designing and deploying scalable Microservices on Kubernetes and Amazon EKS, optimizing resource management and ensuring high availability.• Enhancing database security and performance through Oracle SQL optimizations and secure coding practices.• Developing robust test frameworks using Cucumber.js, WebDriverIO, and Node.js to ensure high-quality software delivery.• Managing and optimizing application deployments in AWS environments, utilizing Lambda, S3, and API Gateway for serverless operations.My experience with tools like Jenkins for CI/CD, Git for version control, and JIRA for project management, alongside my ability to troubleshoot in AWS and cloud environments, has enabled me to effectively lead and contribute to the development of secure, scalable, and efficient banking solutions.

Dallas, Texas, United States

As a Java Full Stack Developer at AT&T, I played a key role in developing and optimizing telecommunications applications. I utilized ReactJS and Node.js to build dynamic web applications, using React-Redux for state management and React Router for efficient client-side routing. I also documented RESTful APIs with Swagger to ensure comprehensive API specifications.Key responsibilities :• Developed web applications using ReactJS, Virtual DOM, and Redux for state management.• Created and managed RESTful APIs with Spring Boot and Jersey, applying design patterns like Singleton and Factory.• Optimized API performance with Node.js and automated CI/CD workflows using GitLab Actions.• Implemented real-time messaging with Apache Kafka and scripting with Groovy.• Integrated Kotlin for microservices, enhancing code readability and maintainability.• Automated backend processes with AWS Lambda, improving application responsiveness.• Managed APIs and data with AWS API Gateway and Amazon S3, supporting advanced analytics.• Secured authentication and authorization using OAuth 2.0 and developed modular code with Nx in a Monorepo structure.• Utilized Scala for message broker services and led a successful migration from MySQL to PostgreSQL.• Deployed applications with Kubernetes and Docker, enhancing scalability and consistency.• Designed Azure cloud services for applications, ensuring HIPAA compliance and using Azure DevOps for CI/CD.

Dallas, Texas, United States

As a Java/J2EE Developer at DSHS, I managed the complete application lifecycle from design and implementation to testing and deployment. I utilized Java 8 features like lambda expressions, streams, and multithreading for efficient data processing.Key responsibilities :• Developed presentation tiers using JSP, JavaScript, HTML, and CSS for dynamic and interactive user interfaces.• Configured Spark Streaming to process real-time data from Apache Kafka and stored it in DynamoDB using Scala.• Created automation and deployment templates for MSSQL and MySQL databases, both standalone and RDS.• Implemented enterprise integration using SOAP and REST web services, and enhanced transaction handling with asynchronous processing in Node.js.• Integrated security practices using GitLab and ensured consistent development environments with Vagrant.• Supported and enhanced EJB, JPA, and Web Services/JMS components for correspondence functionalities.• Utilized Apache Camel and RabbitMQ for microservices integration and messaging.• Developed single-page applications with Angular 6, and managed Terraform state for collaborative infrastructure provisioning.• Employed Kubernetes for dynamic application scaling and wrote backend code with jQuery, AJAX, and JSON.• Generated auto-documentation for RESTful APIs with Swagger and implemented JDBC connections and Hibernate ORM for database interactions.• Developed business continuity plans for SQL Server databases and maintained version control with Git, using JIRA for defect management.• Analyzed log data with Splunk and developed SOAP-based web services using WSDL, JAX-WS, and AXIS.• Set up and deployed applications on WebLogic application server.

Towson, Maryland, United States

As a Java Developer at Maryland Financial Bank, I was involved in all phases of the Software Development Life Cycle (SDLC), from design to support. My role focused on developing and maintaining high-volume transaction systems and ensuring robust performance and security.Key responsibilities :• Designed and developed applications using Core Java features such as multi-threading, collections, and exception handling for efficient transaction processing.• Applied MVC architecture with Struts and Spark frameworks, including validation and internationalization features.• Created UML diagrams and custom tags to simplify JSP code, and designed UI screens with JSP, CSS, XML, and HTML.• Developed reusable components with React JS and implemented client-side and server-side scripts using Java Beans and Servlets.• Built and tested RESTful APIs for reliable microservices communication.• Deployed health information exchange platforms using Amazon EKS, ensuring security and compliance with healthcare regulations.• Streamlined public health data workflows with AWS Lambda and used AWS API Gateway for secure data access.• Managed data storage and compliance with Amazon S3 and developed real-time applications with Node.js.• Facilitated development with GitLab Issues, and utilized Python for data analysis and visualization.• Consumed data streams using Apache Kafka with Spring, and built microservices using Spring Boot and Spring Security, deployed to AWS.• Integrated Terraform into CI/CD pipelines for automated deployment, and used AWS CLI and Lambda functions for resource management.• Designed and developed database objects with PL/SQL and SQL, and automated build processes with Jenkins.• Proficient in Oracle SQL Developer for database administration and performance tuning using AWR reports.

Tifton, Georgia, United States

As a Java Developer at Monsanto, I was involved in designing and developing robust business solutions using Java/J2EE and modern frameworks. My role included server-side and client-side development, batch processing, and collaborative work within Agile (Scrum) teams.Key responsibilities :• Designed and developed applications using Java/J2EE frameworks, including Servlets, JSP, and JDBC with JDeveloper.• Built and maintained server-side utilities and session beans, leveraging MVC architecture with the Struts framework.• Developed RESTful APIs from scratch for seamless integration and functionality.• Implemented automated batch processing with Spring Batch, optimizing background task execution and system efficiency.• Managed IoT software projects on GitLab, delivering firmware and software for agricultural IoT devices with Node.js.• Developed and validated JSP pages using JavaScript, and utilized JDBC and PL/SQL for database access and performance optimization.• Created and maintained PL/SQL stored procedures, views, indexes, and triggers to enhance application performance.• Conducted code inspections, applied J2EE design patterns and DAO for integration, and utilized XML for data transfer between client and server.• Applied test-first programming with JUnit and JMock, and used Log4J for logging and debugging.• Collaborated on code changes and data analytics platforms, focusing on scalability, maintainability, and high availability.