Involved in Requirements gathering, Analysis, Design, Development and Testing of application using AGILE methodology (SCRUM) in a Test-driven Development (TDD) approach. Collaborate with teams and other developers to design, develop, test, deploy, and maintain chatbot (virtual assistant)Actively involved in coding using Java1.8, Spring 4.x to develop features from end to end. Developed and designed the web interface using HTML5, CSS3, JavaScript, jQuery, ReactJS, and Bootstrap.Built the reusable service components using ReactJS Components with Object Oriented JavaScript, jQuery, HTML, CSS3 based on the visual designs. Troubleshoot bots, debug, and deploy chatbots on various channels. Designed and implemented robust and efficient solutions using AWS S3 for object storage, including data encryption, versioning, and lifecycle management. Developed and optimized message-driven systems using AWS SQS for reliable and scalable message queuing, ensuring high availability and fault tolerance. Integrated AWS SNS to enable pub/sub messaging patterns, facilitating real-time communication and event-driven architectures. Implemented monitoring and alerting solutions using AWS CloudWatch, configuring custom metrics, alarms, and dashboards to ensure the performance, availability, and health of applications and infrastructure.

Involved in Agile - Sprint methodologies to do requirements gathering, analysis and planning, development & testing. Involved in Agile scrum meetings, updating the tasks based on the user stories in JIRA. Participated in client daily calls, getting clarity on each requirement and on tasks.Used Spring MVC (Model View Controller) to handle/intercept the user requests and used various controllers to delegate the request flow to the Backend tier of the application. Developed the system using Java, Spring 4.x, Spring Boot, Hibernate 4.x, Angular-JS, HTML5, CSS3, Bootstrap, Angular-UI etc. Developed User Interface Screens for presentation using Angular-JS, Ajax, Bootstrap, Java Script and HTML. Secured the API's by implementing JWT token-based authentication/authorization scheme using spring security. Code written in Java with features like Collections, Exception Handling, Serialization. Developed Web services to allow communication between application through RESTful web services. Developed automation scripting in Python core using Puppet to deploy and manage Java applications across Linux servers. Involved in data modeling the tables in Cassandra and in implementing different data modeling techniques in Cassandra.

Developed functional and non-functional features of the enterprise applications based on the business needs. Involved in developing proof of concepts, designing the system components, coding and integration testing. Participated in all Agile scrum ceremonies, project planning, design discussions and release planning activities. Involved in development of User Interface using JSF, Rich Faces, Prime Faces, HTML/HTML5, CSS, JavaScript, jQuery, AJAX, and JSON. Created event-driven microservices using Akka and Kafka, ensuring seamless communication and scalability.Wrote unit tests and integration tests for Akka actors and API endpoints to maintain code quality.Implemented Akka Streams for real-time data processing in a financial trading platform. Developed DAO layer using Hibernate, JPA, and Spring JDBC.