• Experienced in all phases of the Software Development Life Cycle (SDLC), leveraging Agile Methodology (SCRUM) for the creation of an Immunization Registry Web Application. • Proficient in Java, J2EE, Spring Framework, Spring Boot, and Hibernate.• Developed user interface and application modules utilizing Angular 4/6, HTML5, CSS, Vue.js, JavaScript, and Servlets. • Used Java 8 capabilities like Lambda expressions, resource classes, and database document fetching while writing code. Micro Services, Spring Boot, and Hibernate ORM are used to implement all of the functionality. • Designed and implemented a complete module of the application using Rest API architecture with Spring Boot. Leveraged Spring MVC, Hibernate, and JUnit frameworks extensively for application development.• Designed and built security architecture using AWS Lambda, AWS API Gateway, AWS Cognito, and AWS STS.• Utilized Git as a source code version control system and Maven for dependency management.• Implemented AWS IAM for managing credentials of applications running on EC2 instances.• Planned, deployed, monitored, and maintained Amazon AWS cloud infrastructure, including multiple EC2 nodes.• Utilized auto scaling and elastic load balancer features on EC2 instances to handle unexpected traffic and demand.• Provided technical support for production environments, resolving issues, analyzing defects, and implementing solutions.• Implementation of version control software such as GIT and JIRA for tracking purposes.• Environment: Java 1.8, Maven, Hibernate, Spring Boot, Angular 8, Typescript, Java Script, YAML, HTML5, CSS3, Bootstrap, Node JS, Kafka, Rabbit MQ, Hibernate (Orm), Microservices, Spring Boot, Spring MVC, NoSQL PostgreSQL, MongoDB, Oracle DB, karma, Junit, Mockito, Docker, Jenkins, AWS, VPC, ALB, ELB, ECS, EC2, S3, Glacier, Kubernetes, Cloud Watch, AWS lambda, Antifactory, Selenium, Jira, GitHub, Postman, Kubernetes, UNIX Scripting.

•Spearheaded software development using Agile methodology, emphasizing short sprints and iterative processes, while harnessing Java 11 and JEE components to craft applications aligned with user stories.•Created dynamic user interfaces leveraging a plethora of technologies including JSP, jQuery, HTML5, CSS3, JavaScript, Angular 8/9, AJAX, NodeJS, and Bootstrap.•Employed Hibernate as the ORM tool for seamless database table mapping, alongside crafting Data Access Objects (DAOs) and Plain Old Java Objects (POJOs) for effective integration with Spring Framework and Kafka.•Utilized Spring JDBC extensively in the data access layer to facilitate database interaction and modification, ensuring robust data management.•Implemented SOAP-based web services for seamless data exchange with diverse applications via SOAP messages.•Orchestrated the construction of a production-ready web application stack using serverless components such as Lambda, API Gateway, and S3.•Participated in configuring routing using Angular 8/9 router for various views and sub-views, ensuring smooth navigation within the application.•Generated database objects and authored PL/SQL scripts for data extraction and transformation, optimizing database operations.•Ensured code compliance with security standards utilizing OAuth and Spring Security, while designing RabbitMQ queues and exchanges to facilitate message-based communication.•Demonstrated proficiency in various Spring modules including Spring WebFlux, Spring Boot, Spring Data, and Spring Security, enhancing application robustness and security.•Implemented controllers, interfaces, and implementation classes using Spring MVC framework, leveraging Micro service architecture for scalable and resilient applications.•Proficient in database development using Oracle, MySQL Server, and JSON and NoSQL databases such as MongoDB, deploying stored procedures, triggers, and SQL queries as needed.

•Demonstrated proficiency in Agile Software Development Methodology, actively participating in scrum activities and daily meetings to develop applications iteratively and incrementally.•Developed user interface using JSP, jQuery, HTML5, CSS3, JavaScript, Angular 7/9, AJAX and Node JS. •Created Typescript reusable components and services to consume REST API's using Component-based architecture provided by Angular 7/9.•Involved in ORM mappings for associations, Inheritance & fetching strategy, performing CRUD operations and managing second level cache using Hibernate.•Worked in Azure Cloud IAAS stage with components Delta Lakes, Azure blob storage, Notebooks, DBFS, Spark, Scala, Data Factory and Cosmo DB.•Designed and developed the application using agile methodology and followed Test driven Development (TDD).•Created Apache HTTP inbound & outbound flows, routing orchestration, transformations, and Security of JAX-WS/CXF and ESB and Oracle Web logic application using OAuth.•Have knowledge about Scala and alternate JVM application developing environments like Java 8 and Kotlin. •Experience with Static Application Security Testing (SAST) tools like HP, Fortify, Veracode.•Used Angular 7 to create views to hook up models to the DOM and synchronize data with server as SPA.•Used Bootstrap and Angular 9 to create Controllers to handle events triggered by clients and send request to server.•Developed user interfaces using EJB 2.0 JSP, JSF, JMS framework with AJAX, Java Script, HTML, DHTML and CSS.•GGTS – Web Services involving UI design, user generated event handling, incorporation of underlying functionalities as per the laid down specifications and also involved in incorporating business logic in SQL Code.•Used caching in API Gateway to make the application faster when users try to add/update work orders.•Migration of Databases and schemas across multiple platforms of Windows to Linux, Oracle 10g to 11g,

* Developed Spring Framework-based application with MVC architecture for efficient software design.* Created UI using JSP, HTML5, CSS3, and AJAX, ensuring a dynamic and user-friendly experience.* Utilized SQL, including Joins, Stored Procedures, and Functions, for seamless backend database interaction.* Involved in all phases of SDLC, from analysis and design to coding, testing, and deployment.* Implemented AJAX asynchronous calls for server-side validation and dynamic page updates through view resolver.* Leveraged Spring Core Annotations, DI, and Spring MVC for REST APIs, with Spring Boot for microservices.* Wrote JDBC code in Core Java for MySQL database connectivity.* Employed TDD approach for building the application, ensuring robust test coverage.* Utilized Oracle for database operations and PL/SQL for backend implementation.* Managed stage deployments on Glassfish server for seamless application rollout.* Designed and implemented RESTful XML web services tailored for asynchronous AJAX requests.* Developed RESTful web services using Java Servlets, JSON, JAX-WS, and JAX-RS, with Hibernate and JPA for persistence.* Integrated middleware with JMS/IBM WebSphere MQ series for efficient message transfer between components.* Built a scalable email system using Amazon SES, S3, and Akka actors to handle heavy email loads.* Used Jenkins AWS Code Deploy plugin for AWS deployment, enhancing continuous integration.* Implemented AWS client API for seamless interaction with different services and console configuration for AWS EC2.* Utilized JIRA for bug fixing and lifecycle traceability, ensuring efficient issue tracking.* Designed RESTful XML web services for handling asynchronous AJAX requests, optimizing responsiveness.* Managed projects with MAVEN for effective project management and build automation.* Implemented logging mechanisms using SLF4J and Logback for efficient debugging and monitoring.

•Executed migration to a secure and scalable backend infrastructure using Java 8, leveraging various Java backend technologies like Version 8/11.•Utilized Enterprise Java Beans (EJBs), including Session Beans and Message Driven Beans.•Implemented JDBC for backend database connectivity, optimizing connections and working with databases likeDB2.•Developed RESTful APIs for high-volume data operations in Java, utilizing Web services with WSDL, XML, and SOAP.•Designed and restructured backend Batch Jobs for efficient data synchronization, configuring them with Unix shell scripting.•Implemented backend security measures, focusing on Java 11 backend technologies and best practices.•Automated backend decision management using the Cortisone rules engine, integrating it with the application for policy enforcement.•Implemented backend interactive features using AJAX, JSP, and Java, validating inputs with JavaScript.•Established backend logging mechanisms for recording security-relevant events and set up backend monitoring and alerting systems.•Implemented backend Identity and Access Management (IAM) controls for authentication and authorization.•Orchestrated the deployment of backend applications on WebSphere Application Server, meticulously configuring backend settings for optimal performance and security.•Collaborated on the backend review and enhancement of Software Requirement Specification and Architecture documents, utilizing UML for Use Case diagrams and business flow visualization.•If applicable, mention your experience integrating Spring WebFlux with reactive databases like MongoDB or Cassandra. Highlight any optimizations or performance improvements achieved using reactive database drivers.•Implemented Log4J for backend logging, enabling efficient log management and analysis for continuous improvement.•Integrated with JIRA for streamlined backend issue tracking and project management within the Agile Scrum

•Involved in all the phases of SDLC including Requirements Collection, Design & Analysis of the Customer Specifications, Development and Customization of the Application using TDD methodology. •Monitored and optimized the performance of Java applications, identifying and resolving bottlenecks, and ensuring efficient resource utilization.•Conducted a comprehensive analysis of the existing health insurance system, including the collection of configuration data and applications from IBM WebSphere Portal v6.1.5.•Performed a detailed assessment of the health insurance application code, emphasizing reusability and efficiency in handling healthcare data.•Executed a strategic binary repackaging of health insurance applications in IBM WebSphere Portal v8.0, ensuring compatibility and optimization.•Developed a robust Service Layer using Hibernate to seamlessly integrate health insurance applications with both the backend database and the user-friendly frontend UI layer.•Implemented a user-friendly presentation layer for the health insurance system, incorporating jQuery, Ajax, HTML, and CSS for an intuitive and engaging user experience.•Utilized the Hibernate ORM framework as the persistence engine, actively engaging in mapping POJOs and crafting efficient Hibernate queries to handle complex healthcare data.•Implemented Data Access Objects (DAOs) for streamlined data access using Spring ORM in conjunction with Hibernate, ensuring secure and efficient interactions with the health insurance database.•Configured authentication filters and integrated Google Search Appliance for IBM WebSphere Portal v8.0, ensuring secure access and efficient search capabilities within the health insurance system.•Performed a thorough application sanity check in the Hukoomi portal, focusing on health insurance- specific functionalities and ensuring adherence to industry standards.