Sandeep K

Experience

1. Senior Software Engineer

   Mastercard

   Feb 2022 — Present · NY, US

   Involved in the analysis, design, and development phases of the Software Development Life Cycle (SDLC) using Agile development methodology to deliver regular updates to business team and project managers. Developed UI pages using HTML5, React, Bootstrap, CSS4, JavaScript, AJAX and NodeJS. Consumed Web Services to interact with other external interfaces to exchange the data in different forms by using GraphQL API. Deployed and maintained applications on amazon web services (AWS) using services like S3, EC2, CloudWatch and Lambda. Used JAVA 17 features like Lambda Expressions, Parallel Streams, and functional interfaces. Build the application based on new features of Java Jdk 1.8 at service layer level.Implemented RESTful APIs using Spring Boot with Kotlin, ensuring efficient communication between frontend and backend systems. Used React JS to create views to hook up models to the DOM, synchronize data with server as a Single Page Application (SPA). Used IAM roles for Kubernetes setup and did deployments. Implemented Restful and SOAP based web services using JAX-RS and JAX-WS respectively. Involved in rewriting a legacy application using Spring Boot, Java 17, Angular 14 and RESTFUL Microservices Worked on creating documents in Mongo DB and performed CRUD operations for data update. Created WAR/EAR files using MAVEN build and deployed them on JBOSS and Tomcat server. Worked on creation of custom Docker container images, tagging, pushing images, integration of Spring Boot. Designed and developed Hibernate configuration and session-per-request design pattern for making database connectivity and accessing the session for database transactions, respectively. Involved in design and development of GraphQL and services to interact with data storage layer. Used Kotlin\'s extension functions to enhance the functionality of RESTful services.