SUMMARY

• 6+ years of experience as a Java/J2EE Developer involved in requirement analysis, design, coding, testing, debugging and maintenance of web applications.
• Experience in Agile methodologies like SCRUM, Test Driven Development (TDD), Incremental and Iteration methodology within the Software Development Life Cycle.
• Proficient in Core Java concepts like Inheritance, Abstraction, Encapsulation, Polymorphism, Exception handling and Collections Framework.
• Experienced in developing Use Case Diagrams, Sequence diagram, Collaboration Diagram, Activity Diagram, Packages and Classes using Rational Rose and MS Visio.
• Experience in Spring Framework modules like Spring Core, DAO, IOC, Spring MVC, Spring ORM, Spring AOP, Spring Boot, Spring Netflix, Spring Web flow.
• Skilled in designing frontend applications using HTML5, CSS3, jQuery, AJAX, JSON, DOM, JavaScript & DOM Scripting, Angular 9, Typescript, Bootstrap, and Node.JS.
• Experience in developing and consuming API for SOAP and REST based web services to integrate third party functional modules into the core application.
• Experience in developing Microservices using Spring Boot through the combination of REST and Apache Kafka message brokers.
• Experience in Amazon Web Services like EC2, S3, Amazon Simple DB, Amazon RDS, Amazon Elastic Load Balancing, Amazon SQS, AWS Identity and access management, AWS Cloud Watch, Amazon EBS and Amazon Cloud Front.
• Proper understanding of RDBMS through Database Design, writing queries and stored procedures using databases like MongoDB, Oracle, MySQL, and SQL Server.
• Experienced in build tools like ANT & Maven and using them with continuous integration tools like Jenkins to create and publish application artifacts.
• Experienced in development and deployment of applications on Windows, Linux and UNIX platforms using IDEs such as Eclipse, NetBeans, and IntelliJ.
• Experience in configuring and deploying the applications into Tomcat, WebSphere, WebLogic, and JBOSS servers.
• Skilled in in handling Docker Containers using Kubernetes for deploying and scaling containerized applications.
• Working knowledge of generating logging by Log4j to identify the errors in production environment and performing unit & integration testing with J - Unit.

TECHNICAL SKILLS

Language: Java, SQL, J2EE, PL/SQL, T-SQL

Web Technologies: HTML5, CSS3, JavaScript, AJAX, JSON, Angular, REST, SOAP

Databases: Oracle, MS SQL Server, MongoDB

App/Web Servers: JBOSS, Apache Tomcat, IBM WebSphere, BEA WebLogic

IDEs: Eclipse, NetBeans, IntelliJ

Tools: ANT, Maven, JUnit, Log4J, TOAD, CVS, SVN, Rational, Clear Case

PROFESSIONAL EXPERIENCE

Confidential, Fargo, ND

Java Full Stack Developer

Responsibilities:

• Worked with business teams on requirements gathering and estimating the efforts for development using Agile/SCRUM methodology to integrate business line of apps.
• Developed Use Case Diagrams, Class Diagrams and Sequence Diagrams and Object Diagrams to model the detail design of the application using UML.
• Developed various batch jobs which process bulk of data received from business partners using Spring Batch.
• Used Hibernate as an ORM tool to store the persistent data and for communicating with Oracle database.
• Implemented user interface for web-based customer application using HTML5, CSS3, Typescript, JSON, AJAX and Angular 9.
• Used Angular 9 router and implemented module wide routing and created different forms using Angular data driven and template driven forms.
• Implemented Custom Directives, routing logic, service, controllers, filters, and retrieval and posting of data with AJAX using Angular.
• Created client library that provided load balanced and fault tolerant consumption of Spring Boot Microservices from monolithic application.
• Created POC of Authentication and Authorization with OAuth2 Spring Boot microservice.
• Utilized Java 8 features like Lambda expressions and Stream API for Bulk data operations on Collections which would increase the performance of the Application.
• Set up Spring and Hibernate framework by adding configuration in the web.xml file.
• Wrote Hibernate Annotation for data mapping.
• Configured the XML files for Spring Security injection to ensure the back-end security by discriminating the role of users and access authority for the URIs and Server-side assets.
• Migrated the entire traditional EC2 Classic environment to Private network in AWS Cloud.
• Configured AWS Identity and Access Management Groups and Users for improved login authentication.
• Developed Java API to connect with Cloud Services for storing and retrieving data stored in the S3 buckets.
• Used Maven as build and dependency management tool for creating WAR and JAR files to be deployed in JBOSS application servers.
• Created database backend for EJB project to connect and to query Oracle database.
• Secured the Kafka cluster with ACL for Kafka client, SSL for data transfer and OAuth-Bearer for client authentication process.
• Used Kafka Producer API to publish a stream of records to Kafka topics.
• Used J-Unit framework for unit testing and SVN for implementing the application.

Confidential, Dallas, TX

Java Full Stack Developer

Responsibilities:

• Interacted with the stakeholders and gather requirements and business artifacts based on Agile/Scrum methodology.
• Designed Use Case & Class diagrams using Rational Rose, documented design diagram.
• Involved in gathering requirements from business owners, implemented, and tested using the Spring MVC pattern and Hibernate.
• Used Core Spring Framework for dependency injection of components and injected Java Beans using Spring Dependency Injection across the business layers.
• Utilized AJAX to improve app performance and display data on frequently visited pages.
• Used Angular CLI to generate components, services, filters and compiled in different environments.
• Validated forms using Angular 2 and regular expressions there by providing client-side validation and server validation.
• Developed REST services to make web service calls simple and easy for the client to access it with the help of standard HTTP URIs.
• Used JAXB for marshalling and un-marshalling of work order, billing XML documents, and JAXP for processing.
• Used Spring Batch to setup batch jobs to email the daily reports and that which run on Pivotal Cloud Foundry (PCF) with Spring Boot as its MVC layer.
• Developed MongoDB Data Access Layer implementing Mongo Repository interface from Spring Data.
• Performed CRUD operations like Update, Insert and Delete data in MongoDB.
• Deployed Docker contained Spring REST services into AWS EC2 container service using AWS admin console and used lambda to run applications in AWS console.
• Used Java 8 Lambdas to make anonymous inline function calls and used Streams to work effectively with Collection objects.
• Used Eclipse IDE to convert the business logic into code and WebSphere Application Server for deploying the code.
• Performed a POC on building a Spring Boot application and deploying as Docker containers to Kubernetes cluster in Cloud Platform.
• Used Docker to implement a high-level API to provide lightweight containers that run processes isolation.
• Deployed applications into Continuous integration environments like Jenkins to integrate and deploy code on CI environments for development testing.
• Used Log4j to print the logging, debugging, warning, info statements.
• Involved in setting up Test automation and developed cucumber feature files and used Selenium for automated testing with TestNG.
• Used JIRA tool for Issue/bug tracking, monitoring of work assignment in the system.

Confidential, Minneapolis, MN

Java/J2EE Developer

Responsibilities:

• Implemented Agile/Scrum methodologies actively involved in technical meetings, requirements gathering, analysis, planning, estimations, development, and testing.
• Participated in Analysis, Design, Implementation, UAT and Production of the Application and developed UML diagrams.
• Developed the applications using Spring MVC Framework by creating controllers, validators, and request mappings.
• Involved in design, development, and implementation of front-end part of the web application using HTML5, CSS3, JavaScript, AJAX, JSON, AngularJS and Bootstrap.
• Developed JSF pages as per requirements used DOJO JavaScript Library with AJAX to add user functionalities, jQuery for client-side validation.
• Applied AJAX for couple of navigation screen flows for asynchronous calls.
• Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side in AngularJS.
• Used Spring Boot framework with Java to implement Microservices Architecture with JAX -RS as a web service.
• Used Web Services for creating rate summary and used WSDL for getting plans from different module and used XML parsers for data retrieval.
• Database development required creation of new tables PL/SQL stored procedures, functions, views, indexes and constraints, triggers and SQL tuning to reduce the response time in the application.
• Used Eclipse in development and debugging the application.
• Using JMS to send email or notify companies or users who have subscribed particular services in our product.
• Used Kafka on publish-subscribe messaging as a distributed commit log, have experienced in its fast and Python and Scalable.
• Used SVN for version control of the application.
• Developed the ANT scripts for preparing WAR files used to deploy J2EE components on JBOSS Server.
• Used Log4j for logging various information like error, info, and debug into the log files.
• Developed J-Unit test cases for testing the application.