● Used Angular 4.0 to create a unique, single-page, responsive online application that uses validations, modules, events, expressions, directives, controllers, and filters.● Hosted application on AWS EC2 with additional scalability, security, and dependability provided via AWS Lambda, AWS IAM, AWS DynamoDB, AWS S3 bucket, and AWS Route 53. ● Leveraged Java 11 and J2EE, along with associated technologies such as Servlets, JSP, and EJB, to develop the back end of web applications.● Frequently used Spring Framework components MVC, DI (IOC), JDBC Templates, Spring Security, and AOP.● Utilized MVC to implement a clear separation of concerns within the application, making it easier to manage and maintain.● Extensively utilized HTML5, CSS, SCSS, JavaScript, TypeScript, NodeJS, Angular, and XML in front-end development projects.● Managed AWS Aurora databases, including setting up CloudWatch alerts and alarms and configuring VPC and Database Subnet Groups for resource isolation. Utilized AWS Java SDK for smooth database access while dealing with a variety of SQL and NoSQL databases on the AWS platform, including RDS Aurora, MySQL, DynamoDB, and MongoDB.● Implemented DI to decouple components and manage dependencies more effectively. This helped in achieving a more flexible and testable codebase.● Used JDBC Templates to simplify database access and streamline interactions with SQL and improved data retrieval and manipulation processes.

● Developed business logic by employing Java 8's Core Java programming features, such as Collections, Multithreading, Exception Handling, Generics, Enumeration, and Java I/O.● Used Java for back-end development, including NoSQL(Cassandra) databases and SQL databases like PostgreSQL, IBM DB, MySQL, and Oracle Database.● Utilized React.js, HTML5, CSS3, JavaScript, TypeScript, front-end apps to develop responsive user-friendly UI.● Used the scalable, secure, and dependable Azure cloud services, such as Azure Active Directory, Azure Data Factory, and Azure API Management, to host, deploy, and monitor apps.● Worked with Gitlab to track and control source code versions. Docker, Maven, and Groovy were used to develop automated build, testing, and deployment pipelines.● Designed and implemented RESTful APIs using Java, Spring MVC, and Hibernate.● Created microservices utilizing Kafka for message processing, Spring Cloud, and Spring Boot.● Used Open JPA and JDBC for persistence and database access in microservices.● Conducted front-end development work on content management systems (CMS).● Migrated monolithic applications into microservices architecture and seamlessly integrated them into Azure Functions, optimizing scalability, resource utilization, and cloud-native architecture for enhanced performance and flexibility

● Created web applications with the Struts framework, making sure the MVC design pattern was followed. used React.js, HTML, CSS, and SCSS to build user interfaces.Worked on Hibernate transaction management while keeping the implementation of transactions abstract.● Generated numerous AWS environments, each hosting multiple servers with distinct hardware configurations, all orchestrated using Terraform.● Skilled in developing and deploying apps on the WebLogic Application Server using ANT scripts. experienced in Ant automation and project management.● Utilized Hibernate to efficiently get and save data from DB2, Hibernate was used as an ORM tool. Achieved good data persistence.● React and HTML were used to create the display layer, and sophisticated client interfaces based on AJAX and JQuery were used to improve user experience.● JNDI has been implemented to create connections to RDBMS systems, allowing for a smooth connection to the database server using JNDI resources. used JDBC to access data effectively.● Developed unit test cases using Selenium and Jasmine to validate the integration and operation of components. Additionally engaged in JUnit unit testing for many Java topics.● Implemented additions and improvements using a variety of Core Java concepts, such as Exception Handling and Collection APIs. competent with Java 8.● Using RESTful web services, we created remote integrations with third-party platforms, expanding project possibilities.

● Utilized Java 7's Core Java programming language to develop robust business logic, incorporating essential features like Collections, Multithreading, Exception Handling, Generics, Enumeration, and Java I/O.● Crafted responsive and user-friendly front-end applications using HTML5, CSS3, JavaScript, React.js, and TypeScript.● Worked extensively with both NoSQL and SQL databases, including PostgreSQL, DB2, MySQL, and Oracle Database, for backend development, ensuring data reliability and performance.● Leveraged various AWS services, including AWS Lambda, DynamoDB, S3, and Route 53, to achieve scalability and reliability while hosting applications on AWS EC2, and converted monolithic apps to AWS Lambda functions for improved scalability.● Implemented efficient CI/CD pipelines using Jenkins for automated build, testing, and deployment processes.● Managed source code versions effectively using Git, facilitating collaborative development efforts.● Streamlined the development process by employing Docker, Maven, and Groovy to create automated build, testing, and deployment pipelines.● Designed RESTful APIs using Java, Spring MVC, and Hibernate to enable seamless communication between components.● Engineered microservices with Spring Boot, Spring Cloud, and Kafka, enhancing message processing capabilities.● Ensured robust persistence and database access within microservices using Open JPA and JDBC.● Conducted front-end development on content management systems (CMS), enhancing user experiences.

● Managed the layout and design of front-end pages using a combination of front-end technologies, including HTML, CSS, JavaScript, and Angular, to create responsive and user-friendly interfaces.● Developed PL/SQL procedures, functions, triggers, sequences, cursors, and SQL queries to efficiently interact with the Oracle database, ensuring data integrity and optimized database operations.● Utilized Spring Data JPA to establish seamless connections with the Oracle database, mapping various POJO classes to corresponding database tables, streamlining data retrieval and manipulation processes.● Implemented the Hystrix circuit breaker pattern to safeguard against message loss and maintain system resilience, enhancing the overall reliability of microservices.● Architected and developed a microservices-based architecture using Rest APIs, Spring Boot, and Java 8, promoting modularity and scalability within the application ecosystem.● Participated in the Jenkins-SVN auto-deployment pipeline for cloud-based applications, facilitating the continuous integration and automated deployment process, thus ensuring a rapid development cycle.● Effectively employed Logback and Grafana for logging and performance monitoring tools to keep a close eye on system performance, detect and respond to exceptions, and fine-tune system resources.● Deployed Spring Boot Microservices to Pivotal Cloud Foundry (PCF) using Jenkins as a Continuous Integration tool, while leveraging Maven for packaging Java classes into executable jar archives. Git was employed for version control, allowing for seamless collaboration among team members.● Created AWS Lambda-based microservices that interacted with AWS services like DynamoDB, SNS (Simple Notification Service), and SQS (Simple Queue Service) using the AWS SDK for Python (Boto3), ensuring seamless integration with the AWS ecosystem.