Rahul Karthik

Experience

1. Full Stack Java Developer

   Ups Capital

   Nov 2024 — Present

   Developed the application using AGILE-SCRUM methodology, used JIRA to manage the project workflow.Implemented typescript features like arrow functions, constants, block-scope variables, and class inheritance.Integration and Microservices: Implemented integration solutions using Apache Camel and CXF in the JBoss Fuse ESB. Developed microservices using Spring Boot and deployed them in Docker containers and Amazon EC2 instances.Integrated Java and React components to build full-stack applications with seamless data flow.Built and deployed serverless architectures using AWS Lambda functions and API Gateway. Integrated external APIs, performed data transformation, validation, and enrichment. Implemented authentication, authorization, and error handling for API endpoints.Employed API testing tools like Postman for endpoint testing and validation. Configured Kubernetes cluster for Jenkins CI/CD pipeline and Kubernetes Ingress for service exposure.Worked with SQL Azure for data model design and schema creation. Loaded data from Hive/SQL and performed Spark transformations using Spark RDDs and Scala.Implemented authentication and authorization mechanisms using Passport and JWT with Node.js. Employed secure practices like TLS 1.3 support in Java applications. Ensured API security, including token-based authentication and role-based access control.Created Single Page Applications with HTTP requests using Angular 8, Node JS and Promises, Rx JS Worked with HTML5, CSS3, JSON, JavaScript, ReactJS and ES6 for developing user interface.Used various bootstrap components like accordion, date picker, time picker, alert, buttons, modal and also react-bootstrap components.Implemented mock services with MEAN stack in local environment.With the concept of ReactJS worked on usage metrics and also end to end events tracing for analysis purpose.Experience in loading data from Hive/SQL and performing spark transformations using Spark RDDs, Scala. Worked with Prime Faces.