worked on real-time data processing pipelines using Apache Kafka, Apache Storm, or Spark Streaming to process and analyze streaming data streams in near real-time within the Hadoop ecosystem. Applied machine learning algorithms and statistical analysis techniques to big data sets using libraries like Apache t within the Hadoop ecosystem to develop predictive models and extract actionable insights.● Developed front end User interfaces using AngularJS by creating reusable components for application header, footer and form handling etc.● Implemented back-end Micro Serviced using Spring boot stack (Spring REST, Spring data JPA, Spring Cloud).● Involved in unit testing and integration testing application.● Coordinated monthly production deployment by creating Service now CR , preparing release plan and getting approvals etc.● Implemented scheduler services for sending reoccurring payment due notifications and pay success notifications using Spring Batch.● Implemented event driven microservice interaction using Kafka.● Implemented the POC and created technical documentation for the best practices and design patterns regarding AngularJS and micro services.Experienced in deploying, configuring, and managing Hadoop clusters, optimizing resource utilization,

Worked as a Java Full Stack Developer for cloud-based applications using Java8, Spring, Spring boot and hibernate.• Designed and developed RESTful APIs using Spring Boot for seamless integration with the frontend.• Worked on frontend development using React, Angular, HTML, CSS, Typescript and JavaScript• Design and implemented event driven architecture using distributed messaging frameworks like Kafka, IBM MQ and ActiveMQ.• Implemented Spring batch framework to read and process stream of files from Amazon S3• Leveraged AVRO schema for better serialization and maintenance. • Implemented authorization for REST API using OAuth and Kafka topics using Kerberos. • Worked on Containerizing the microservice application using Docker and Kubernetes to make deployable to public Cloud/on prem cloud (AWS, AZURE and GCP).• Implemented and maintained the cloud-based infrastructure on AWS, including EKS, ELB, S3, and Lambda.• Implemented unit tests and integration tests using JUnit and Mockito frameworks.• Worked on implementing the functional BDD test cases using cucumber to automate the testing of end-to-end functionality.• Implemented performance testing scripts using JMeter/Blaze meter to test microservice scalability and reliability functionalities. • Integrated the functional test cases with CI/CD pipelines to verify end to end functionality as part CI/CD.• Implemented Kubernetes jobs to read and process static/reference data files from file mover.

Implemented micro services using Spring boot, Spring REST, Spring JPA, Spring Security, Spring Cloud ,NoSQL(mongo DB)using micro services architecture.• Applied authentication using Oauth2.0/SSO to provide secure access to microservices.Implemented network architectures on GCP using services like Virtual Private Cloud (VPC), Cloud Load Balancing, Cloud Armor, and Identity and Access Management (IAM), ensuring secure and isolated communication between resources and protecting against cyber threats.Led and managed Hadoop-based big data projects from conception to completion, including requirement analysis, solution design, implementation, testing, deployment, and ongoing support, ensuring alignment with business goals and timelines. Experienced in deploying, configuring, and managing Hadoop clusters, optimizing resource utilization, performance, and reliability, and troubleshooting issues to ensure smooth operation of big data infrastructure. • Configured the load balancing at server and client using Netflix zuulproxy and ribbon respectively. • Implemented unit and integration test cases using Spock framework.• Implemented User interface using angular 6 and Reactjs and also unit test cases using karma, Jasmine and Jest framework.• Used CI/CD tools like GIT,Jira,Azure Repos, Jenkins, Docker and kubernets.Used AWS and Azure cloud platforms for Microservice deployment.

Developed e-commerce web application using Struts 2.X, JSP, Servlet, and Java beans, following MVC design pattern. Created user-friendly GUI with HTML, CSS, and JSP, and ensured client-side validation with JavaScript and jQuery. Employed Eclipse IDE for development, utilized SQL for JDBC prepared statements, and monitored logs with Log4J. Deployed the application on Tomcat, managed version control with CVS, and performed end-to-end unit testing, bug fixing, and production support.