Harman Preet Singh

• Around 9+ years of IT experience in Developing, Design, Analysis, Testing, Deployment of various webs based and client/server applications in multi-platform environments with Java/J2EE technologies. • Involved in all phases of Software Development Life Cycle (SDLC) with experience in Healthcare, Banking and E Commerce domains. • Development experience in Java, J2EE, Micro Services, Spring Boot, Hibernate, Servlets, JDBC, HTML, XML, JSON and REST API. • Experience on working in Cloud Services of Azure and AWS. • Used new Java 11 features such as Lambdas, Streams, Observables and Completable Futures etc. • Utilized Java 8 features like Lambda expressions comparing the data and Stream API for bulk data operations on collections which would increase the performance of the application. • Used Spring Dependency Injection feature and Spring Boot validator framework along with interceptors and Login security for handling server-side validations. • Worked on developing REST webservices (JAX-RS) with JSON and XML formats implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI's. • Spring4/5 Controllers, Service Components, DAOs, Webservices and UI Integration for developing presentation layer of the application. • Exposure in Developing automation framework using Cucumber-JVM, Selenium-webdriver, JUnit and Jenkins, Java, Python, JavaScript, WebDriver.IO • Managing Amazon Web Services (AWS) infrastructure with automation and configuration management tools such as Chef, Puppet and Ansible. • Worked on analysis, design, development and implementation of web applications using PHP, Zend Framework, Oracle and MySQL • Hands on experienced working with front end frameworks like AngularJS and backend frameworks like CodeIgniter and Laravel for PHP. • Expertise in implementing web and enterprise applications using Java 11, Spring Boot, Spring Rest and Spring Security, React, NodeJS, Python, MySQL, Angular, Mongo dB • Expertise in creating web applications using HTML/HTML5, CSS/CSS3 (SASS, LESS), Bootstrap, JavaScript (ES5), jQuery, Angular6/7, AJAX, JSON and NodeJS. • Worked with the Database Schema design and normalization for database accessed by the procedural PHP pages. • Experience in using build/deploy tools such as Jenkins, Docker and OpenShift for Continuous Integration & Deployment for Microservices. • Expert in TSQL DDL/DML, perform most of the SQL Server Enterprise Manager and Management Studio functionality using T-SQL Scripts and Batches. Worked Amazon Web Services, Office 365 and Google Cloud issues • Managed Amazon Web Services like EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, AMI, IAM, Dynamo DB, Elastic search, Virtual Private Cloud (VPC) through AWS Console and API Integration. • Experienced in implementation of JMS to exchange information over reliable channel in an asynchronous way by using Active MQ, Rabbit MQ, Kafka as message queue. • Extensively Used Jenkins as Continuous Integration tools to deploy the Spring Boot Microservices to Pivotal Cloud Foundry (PCF) using build pack. • Also got experience in GCP (Google Cloud Platform) working on BigQuery and setting up instances. • Experience on Big data, Hadoop using AWS and Rabbit MQ, which are message queuing services. • Experience in Git, GitHub flow and good knowledge on Instances EC2 AWS and Azure Cloud VM.