Arjun S. Email & Phone Number

- Developed cloud services on AWS (EC2, S3, DynamoDB, SNS) emphasizing high-availability and auto-scaling.- Led SDLC phases from requirements gathering to testing, adhering to agile methodologies.- Specialized in Spring Boot for efficient microservices and RESTful API development.- Implemented OAuth2 token-based authentication for API security using Spring Security.- Enabled zero downtime scaling and conducted comprehensive system testing and documentation.- Utilized Hibernate for seamless object-relational mapping with SQL Server.- Implemented Angular lazy loading and unit testing with Karma and Jasmine.- Engineered Kafka-based real-time data pipelines and messaging on OpenShift.- Managed MySQL and MongoDB databases, optimizing performance with Java programs.- Deployed applications on Amazon EC2 instances and implemented attribute routing and error handling in Web APIs.- Configured JMS messaging on WebLogic for business floor integration.- Tracked and managed project issues and bugs using JIRA.

- Collaborated with front-end developers to integrate back-end services into HTML5, CSS3, TypeScript, and Angular interfaces.- Designed and managed CI/CD pipelines with Jenkins, Docker, and Kubernetes for automated build, test, and deployment.- Optimized MongoDB, Oracle, and PostgreSQL databases for performance and data integrity.- Implemented caching, load balancing, and other optimization techniques for high availability and responsiveness.- Developed responsive UIs using HTML5, CSS3, JavaScript, Bootstrap, Angular, TypeScript, NGRX, and Webpack.- Utilized Java, RDBMS, JavaScript (jQuery), Struts2, and REST APIs for application development.- Integrated backend RESTful API calls to enhance application dynamics and user experience.- Refactored code to improve efficiency, reduce duplication, and maintain code quality.- Implemented OOP principles and prepared test plans and cases based on feature requirements.- Managed Kafka schema registries for data consistency and compatibility across producers and consumers.- Utilized Active MQ for asynchronous communication between services.- Developed AWS CloudFormation templates and automated provisioning with Jenkins and Chef.- Implemented design patterns to enhance code maintainability and solve design problems.- Used Log4j, JUnit, and Mockito for debugging, testing, and system maintenance.- Contributed actively to Agile development practices, enhancing team productivity and project delivery speed.

- Developed Java-based web applications following SOA principles, including RESTful web services implementation.- Created secure Spring Boot RESTful web services, GraphQL APIs, and OAuth integration for front-end data retrieval.- Automated build and deployment processes with Jenkins and Docker, leveraging Kubernetes for efficient microservices deployment.- Developed reusable TypeScript components and directives in Angular, utilizing HTTP Client module for RESTful service consumption.- Utilized JDBC template for effective SQL query execution and database resource management.- Implemented Docker for containerization and Kubernetes for orchestration to streamline microservices deployment.- Conducted unit testing using JUnit and Mockito, API testing with Postman, and code coverage analysis with SonarQube.- Managed Kafka message reprocessing using offset ID and Spring Kafka API calls in Kafka Cluster setup.- Applied Agile methodology, contributing to technical design documents and participating in SCRUM meetings for issue resolution and project progress tracking.

- Developed Java/J2EE web applications, enhancing existing systems in client-server environments.- Implemented UI changes using HTML, CSS, JavaScript, and Angular, ensuring secure views based on access privileges.- Utilized MySQL for backend storage, developing Stored Procedures as needed.- Implemented REST APIs and utilized JSON for microservices communication, managing tasks through GitHub.- Employed Spring MVC for Dependency Injection using annotations and XML configuration.- Managed data with AngularJS controllers and Angular Factory for service calls.- Leveraged JDBC for database connectivity, including invoking Stored Procedures.- Proficient in SQL and PL/SQL scripting, including views, cursors, procedures, functions, and triggers.- Used Maven for dependency management, Jenkins for continuous integration and deployment.- Implemented authentication and authorization using Spring Security, JWT, and OAuth 2.0 with Spring Boot for microservices.- Managed code versioning with Stash and utilized Log4j for maintenance and bug tracking logs.