• Collaborated with client business owners during requirement gathering sessions, contributing valuable insights to aid in the creation of comprehensive Functional Requirement Documents.• Implemented message processing pipelines using Kafka Streams and/or Apache Flink to perform real-time data transformations, aggregations, and analytics.• Working on creating batch jobs using Autosys as the job scheduler and technologies like SQL Invoker, UNIX shell scripting and core java.• Developed micro services and worked on Spring Boot and deployed applications.• Utilized Cassandra, NOSQL database management system for keeping user generated data.• Designed, developed, and tested HTML5, CSS3, Bootstrap, JavaScript, jQuery and React.JS that meets accessibility and web browser standards for website.• Configure the new servers in F5 load balancer. During production issues, identify the faulty servers and place them out of rotation from F5 Load Balancer VIP to avoid business impact• Extracted data into Oracle table using SQL Loader and External table.• Scheduled Unix jobs on production environment of Control M via XML.• Utilized Spring MVC Annotation to manage URL mapping and facilitate communication between the front-end and middle tier by configuring controllers.• Support our application platforms in both production and the non-production test environments.• Developed RESTful Web services for seamless integration with external systems, securing services with AWS IAM and OAuth.• Implemented Hibernate to persist the data into Database and wrote HQL based queries to implement CRUD operations on the data.• Developed business modules in Cobol/CICS/DB2/MQ programs including DB2 store procedures for saving applications.• Developed streaming data applications using Kafka Connect for data ingestion and Kafka Streams for stream processing, enabling real-time insights and decision-making.

• Developed web applications using Spring Framework features like Spring Core, Spring IOC (Inversion of Control), Dependency Injection, Spring ORM, Hibernate, MVC (Model View Controller), Spring Boot, and familiarity with AOP, Spring Cloud. • Developed various Restful Services within the application, and across multiple applications for communication of data with the applications.• Worked on defining Swagger specs for REST APIs, understand REST principles, Guidelines• Worked on REST APIs, SOAP and understanding of Application Design principles and Cloud Native apps Development• Created documentation, best practices, and training materials for Kafka usage, ensuring knowledge sharing and smooth onboarding of team members.• Design Develop Batch process using Mainframe technologies to capture the updates from up-streams through nightly batch.• Designed Resource URI's for developing REST Web Services and used Swagger as a tool for generating Request and Responses. Designed and developed RESTful Web Services using Jersey Rest Framework for various modules.• Involved in writing Hibernate Query Language (HQL) for persistence layer.• Used the advanced features of PL/SQL like Records, Tables, Object types and Dynamic SQL.• The application is developed on Micro Service Oriented Architecture using Spring Boot and Angular 9.0, React JS, Mongo DB, and MySQL to integrate and communicate with the already existing applications.• Used Collections, Bulk Binds to improve performance by minimizing the number of context switches between the PL/SQL and SQL engines.• Implemented PL/SQL queries and used Oracle stored procedures, and built-in functions to retrieve and update data from the databases.• Used Docker Engine and Docker Machine environment, to deploy micro services-oriented environments for scalable applications.• Docker was used to containerize the Services and APIs to run on Kubernetes cluster.

• Developed business logic using Java/J2EE, Hibernate and various OOPS concepts.• Customized RESTful Web Service using Spring RESTful API, sending JSON format data packets between front-end and middle-tier controller.• Implemented the persistence layer with Hibernate and configured Hibernate with Spring to interact with the Oracle Database from the DAO.• Implemented Token based authentication using OAuth 2.0.• Worked with OAuth and JSON web tokens for authentication and authorization security configuration using NodeJS.• Worked on Angular by consuming RESTful web services & Used Angular forms like Template Driven forms and Modern Driven (Reactive) forms.• Developed and tested features in an AGILE environment using Angular and TypeScript.• Involved in CI/CD deployments using Jenkins and Docker• Built Jenkins jobs to create AWS infrastructure from GitHub repos containing Terraform code and used Jenkins to manage weekly builds.• Used Rally as a defect tracking tool for product backlog and reporting bugs.• Worked with Splunk and ELK stack for creating monitoring and analytics solutions.• Worked with AWS identity and Identity Access management to create roles and policies.• Enabled CloudWatch to track the logs and from CloudWatch pushed the logs to Kibana.

• Developed business logic using Java/J2EE, Hibernate and various OOPS concepts.• Involved in Java web application development using J2EE and Eclipse IDE. • Analyzed, gathered the requirements, and converted them into technical specifications artifacts for developers to start. • Created and implemented SQL stored procedures and triggers.• Consuming webservice from other service provider.• Involved in developing the Hibernate Mappings in Entity classes. • Taken care of testing and hosting web-application in AWS ec2 instance windows, tomcat.• Worked with the JIRA tool for project management and bug tracking.• Involved in implementing The Security Logic by using Token Based Authentication. • Used Log4j for logging mechanism and developed wrapper classes to configure the logs.• Worked on Requirement analysis, gathered possible business requirements from end users and business Analysts.• Involved in writing SQL Queries, Stored Procedures and Triggers.