PROFESSIONAL SUMMARY:

• Around 8 + years of experience in Cross - Platform (Web & Client-Server) application development and design using Object-Oriented Programming, Core Java, J2EE technologies.
• Experienced working in both Agile and Waterfall based development environment and participating in Scrum sessions.
• Utilized Java 8 features like Lambda expressions and Stream API for Bulk data operations on Collections which would increase the performance of the Application.
• Have strong exposure and work experience on core java concepts collection API, Stream API, Parallel Streams, exception handling, Multi-threading, Hash Map, concurrency, JDBC, modularity, executor service, fork and join frameworks.
• Expertise in Microservices development dealt with Traffic Management and scope functionality, highly proficient in designing n-tier Enterprise application with J2EE design patterns like IOC (Inversion of Control), AOP (Aspect Oriented Programming), MVC, Business Delegate, Service Locator, Session Façade, DTO, DAO, Front Controller, Factory, and Singleton.
• Designed and developed J2EE MVC applications using Struts, Spring MVC and Spring Boot.
• Expertise in designing, developing, and deploying applications using J2EE technologies including Servlets, JSP, EJB, JSTL, Struts, Spring, Spring Boot, JSF, JMS, AJAX, JDBC, JNDI, GWT Java Beans, Hibernate and Web Services.
• Expertise in several J2EE technologies like JSP, Servlets, JavaScript, Web Services (SOAP, REST) and JSF.
• Expertise in Hibernate, Spring, EJB (Entity Session Message Driven Bean), Ajax, Java Beans, JNDI, JMS, Java Mail, XML, Sockets using IDE’s like Eclipse.
• Good experience of implementing reactive programming using Rx Java to manage asynchronous tasks and events.
• Experience in designing and developing middleware components for embedded systems, using C, C++,STL, multi-threading (POSIX), Boost libraries and design patterns.
• Expertise in Programming with JDBC, EJB, JNDI, JMS, Servlets, JSP and Custom tags using Struts framework.
• Experience Front end part of the application using Angular.JS, Ext.JS, Backbone.JS, jQuery, Node.JS, Ajax, Bootstrap React JS Html5 and CSS.
• Working experience in React flux libraries Redux JS, Vanilla JS.
• Strong working knowledge of Database Programming using and maintaining SQL, PL/SQL, Triggers and Stored Procedures, NoSQL databases MongoDB and Cassandra.
• Strong working experience on SQL Databases like MS SQL Server, Postgres, Sybase, and Oracle.
• Implemented asynchronous task processing pipeline using RabbitMQ.
• Expertise in writing unit test cases with Mockito and JUNIT and performed integration testing.
• Worked on various testing frameworks for front end/user interface like Karma, Jasmine, Jest, Mocha, Chai etc.
• Experience in CI CD pipelines to integrate the Java code to align with DevOps using Docker.
• Worked with Spark for improving performance and optimization of the existing algorithms in Hadoop using Spark Context, Spark-SQL, Data Frames and Pair RDD.
• Designed and implemented AWSEC2 Server setup and deployment, build, maintenance, and configuration of various AWS resources like, EC2, S3, Lambda, ECS, EBS, Elastic Load Balancers, Elastic Bean Stalk, Amazon RDS,AWS Lambda, VPC, and IAM Security Groups that are utilized for different environments like dev, testing, Production.
• Created Micro Services using Spring Boot and deployed on AWS cloud instances like EC2.
• Delivered architecture designs and solutions for public, private and hybrid clouds covering the cloud architecture tiers and portfolios of cloud services IaaS, PaaS, SaaS.
• Hands-on experience using the version control tools like SVN and GIT and project management tools like JIRA, QC.
• Extensively used the repositories like Git and SVN.
• Good working knowledge of Ant, Jenkins, Maven, and AWS for project build/test/deployment, logging and JUnit for unit and integration testing.
• Hands on exposure to multiple Application Servers like BEA Web Logic Application Server, Apache Tomcat, WebSphere and JBoss.
• Hands on Experience in integration with JUnit, and Log4j frameworks.
• Knowledge of using Routed Protocols like FTP, SFTP, SSH, HTTP, HTTPS and Direct connect.
• Experience with browser testing, knowledge of cross-browser/cross-platform compatibility.
• Excellent working knowledge and thorough exposure on compatibility issues with different versions of browsers like Internet Explorer, Mozilla Firefox, Safari and Google Chrome.
• Proficient in Quality Control - includes ensuring defect-free releases, maintaining correct entries in Design Docs, UI specs, Test Cases, Traceability Matrix.
• Excellent skills in programming using a wide variety of languages and the ability to adapt to new latest technologies and work in a Multi-platform environment.

TECHNICAL SKILLS:

Programming Languages: C, C++, Java/J2EE, SQL, PL/SQL, Python

Java APIs: J2EE, EJB, Servlets, JSP, JSTL, Custom Tag Libraries, JAX-RPC, JDBC, JNDI, JMS, JAXB, JUnit, Mockito, AWT, Spring MVC, Hibernate, Spring AOP, Spring DAO, Spring Core, Spring Security, Spring REST, Spring Boot, JPA, Log4j, Apache Kafka.

Frameworks: Spring, Hibernate, MEAN Stack

Scripting Languages: JavaScript, TypeScript, jQuery

Web Technologies: HTML/HTML5, XML, CSS/CSS3, Bootstrap, JSP, Ajax, NodeJS, Express, ReactJS, AngularJS, Angular7.

Web/Application Servers: Apache Tomcat, WebSphere, WebLogic, JBoss

IDE s: Visual Studio Code, Eclipse, NetBeans, IntelliJ, IBM RAD, WSAD

Databases: Oracle, MySQL, Postgres, Sybase, NoSQL, and MongoDB

Operating Systems: Windows, MacOS, Unix, Linux (Ubuntu, Red Hat)

Version Control: CVS, Clear Case, SVN, GitHub, Bitbucket

Methodologies: Agile, Waterfall

Others Software Skills/tools used: MS Office, Visio, Adobe Photoshop, HPALM, JIRA

Build Tools: Maven, Gradle, Ant

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Java Full Stack Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycles (SDLC) like Design, Development, and testing phases, and developed Use Case diagrams, Class diagrams, and Sequence diagrams.
• Developed the application usingSpring BootFramework and handled the security usingSpring Security.
• Used Micro service architecture withSpring Bootbased services interacting through a combination of REST andApache Kafkamessage brokers and worked with Kafka Cluster usingZookeeper.
• Developing the API by using Spring Boot framework.
• Understanding the user story and going through the documentation of the application. Implementing the business logic into the application as per the Acceptance Criteria of the user story.
• Implementing the input field validations as per the Acceptance Criteria of the user story by using Spring Boot.
• Understanding the legacy database queries and implemented in the new application.
• Involved in writing unit test cases by using Junit and Mockito framework and check the code spells by Sonar Coverage .
• Developed client-side Interface using React.JS.
• Currently redesigning site with everything from contact page to landing page all using React.JS.
• Working on building a custom CMS to move off word press being built using NodeJS, React.JS.
• Used React.JS to create Controllers to handle events triggered by clients and send request to server.
• Worked on responsive design and developed a single ISOMORPHIC responsive website that could be served to desktop, Tablets and mobile users using React.JS.
• Working with React Router for developing Single Page Applications SPAs.
• Developed React.JS applications using Redux architecture for front-end UI.
• Worked on Swagger API and auto-generated documentation for all REST calls.
• Testing the API response by using POSTMAN.
• Developed the page design and CSS style implementation.
• Involved in development and code push into different branches.
• Participating in the code review activities and presenting the demo of sprint user stories to the team.
• Addressing heavy traffic situation and migrating user-specific data off service instances and into a shared by using Microservices.
• Involved in Agile stand-up meetings throughout the project with team members on day-to-day basis for the update on project status using JIRA.
• Create an automated suite for unit testing the application components and track quality metrics such as code coverage using below unit testing frameworks.
• Junit
• Mockito
• Ability to create test plans and test cases by analysing requirements, setting up test environments, understanding and executing test scripts.
• Using the POSTMAN tool to test the response of the API.
• Using the SonarQube to validate the violation such as code smell and code coverage.

Environment: Java 8.0, Spring 4, Hibernate 4.2, Spring Boot, HTML5, CSS3, Eclipse, Oracle, Swagger UI, Log4j, JIRA, Microservices, Rest, SQL and Postman.

Confidential

Sr. Java Full Stack Developer

Responsibilities:

• Addressing heavy traffic situation and migrating user-specific data off service instances and into a shared by using Microservices.
• Used core java concepts like Multithreading, Collections Framework, File I/o and concurrency.
• Worked on Core Java concepts such as OOP Concepts, Collections Framework, and Exception Handling, I/O System, Multi-Threading, JDBC, Generics.
• Used Java8 features in developing the code like Lambda expressions, creating resource classes, fetching documents from database.
• Used design patterns like Singleton, Data Access Objects, Factory and MVC patterns.
• All the functionalities are implemented using Spring IO / Spring Boot and Spring JDBC.
• Designed REST based Microservices using Spring Boot.
• Designed and developed the RESTful web services using the JAX-RS API to communicate over the network.
• Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security modules.
• Integrated Spring Security to manage user registration and login.
• Implemented Cryptography for user authentication and authorization.
• Implemented the authentication and authorization of the application using Spring Security and OAuth2.
• Worked on Swagger API and auto-generated documentation for all REST calls.
• Implemented persistence layer using Spring JDBC template to store the data in Oracle database.
• Involved in maintaining and updating the procedure for ETL process.
• Used Oracle as database and Involved in the development of PL/SQL backend implementation and using SQL created Select, Update and Delete statements.
• Involved in writing complex SQL queries using correlated subqueries, joins, and recursive queries, PL/SQL stored procedures.
• Changing the AWS infrastructure Elastic Beanstalk to Docker with Kubernetes.
• Moving existing monolithic architecture to microservices and migrating them to AWS cloud.
• Used AWS Services platform to upload data into AWS S3 buckets and creating EC2 instances.
• Implemented modular approaches for backend on AWS’s Elastic Beanstalk and implemented interfacing with MySQL/Aurora DB on AWS’s RDS, allowing for scalability.
• Experienced in writing real-time processing and core jobs using Spark Streaming with Kafka as a data pipe-line system.
• Implemented Spring boot microservices to process the messages into the Kafka cluster setup.
• Developed Mockito and JUnit test cases to improve code coverage.
• Developed and performed test cases using Jasmine and Karma for front end unit testing and used the Cucumber, Protractor and Http-server for the End 2 End testing
• Created JSON request and validated the response using postman Interceptor and Swagger UI.
• Setup CI/CD pipeline process for the application using the Jenkins.
• Apache Maven tool has been used for the build and deployment of the application.
• Monitored the Error logs using Log4j and fixed the problems.
• Involved in understanding SDLC using Agile methodology.

Environment: Java 8.0, Spring 4, Hibernate 4.2, Spring batch, Spring Boot, Spring Security, JPA, JMS, HTML5, CSS3, React.JS, Cryptography, Eclipse, Oracle 10g, Swagger UI, AWS, Docker, Log4j, JIRA, Pure XML, Web Services, Kafka, Microservices, REST UI.

Confidential - Franklin Lakes, NJ

Java Full Stack Developer

Responsibilities:

• Understand and adopt Microservices architecture to gradually replace a core monolithic application to Microservices.
• Actively participated in the Analysis, Design, Development and Testing phases of various modules.
• Expertise inspring based microservices, and enabled discovery using Eureka Server.
• Designed and developedRESTful Web Services using Spring Boot.
• Developed server-side application to interact with database usingSpring BootandHibernate.
• DevelopedRESTfulServices with Java using JAX-RS, Jersey and Spring Boot.
• Coding for consuming theREST APIs, getting JSON response and parsing them to get the required formats.
• Created Typescript reusable components and services to consume RESTAPI's using Component-based architecture provided by Angular 6/7.
• Implemented Angular 2 Services for connectivity between web application and back-end API'S using TypeScript.
• Implement the technical transformation for the front-end from Angular.JS to Angular7. Developed single page applications using Angular7 Routers.
• Performed form validations using reactive forms from the Angular7 framework.
• Created Angular7 Directives, Components, Pipes, Injectable across the whole system, such as to build the custom filter.
• Utilized the features ofAngular7to present effective web design.
• Developed variouspagesin the applications in front end technologiesHTML5,CSS3-SASS,JSON,Angular 6.
• Extensively involved in upgrading the existing system fromAngular 5toAngular 7.
• Developed Single Page Applications (SPA) using Angular 7, TypeScript, HTML5, CSS3, and Bootstrap 3
• Used HTML5, CSS3, JavaScript, Angular7 and Bootstrap in front end.
• Worked with Angular7 Controllers, Directives, Services, Pipes, Guards, Angular Routing.
• Designed animated web pages by importing the @angular/animations which is the latest animation package in Angular7.
• Used Hibernate and Mark Logic, writing service methods and SQL queries, PL/SQL to interact with the Oracle DBMS.
• Managed Eureka Client, Eureka Server, Eureka Instance, Eureka Service through Spring Boot.
• Expertise in implementing Microservices Architecture using Boot Application, Eureka Discovery Service, Eureka Client, REST, SOAP, JPA, Hibernate.
• Deploy the application on Amazon Web services (AWS).
• Use Amazon Cloud Watch to monitor AWS services & Amazon Cloud Watch logs to monitor the application.
• Installed application on AWSEC2 instances and configured the storage on S3 buckets.
• Co-ordinated with QA lead for development of test plan, Test management and defect management.
• Hands-on experience in using message brokers such as ActiveMQ and RabbitMQ.
• Integrating various Version control tools, build tools and deployment methodologies into Jenkins to create an end to end orchestration build cycles.
• Used Jenkins to execute the Maven project as well to build the version system tool
• Maintained and managed cloud & test environments and automation for QA, Product Management and Product Support
• Developed JUnit test cases for Persistence layer and Business layer to perform the unit level testing.
• Configured Log4j for adding the debugging information in the code base.
• Used SVN for version control.
• Involved in Agile stand up meetings throughout the project with team members on day to day basis for the update on project status using JIRA and HP ALM.

Environment: Java 8.0, Spring 4, Hibernate 4.2, Spring batch, Spring Boot, JPA, JavaScript, Angular 7, HTML5, CSS3, Eclipse, Drools, JBPM, Oracle 11g, ILOG, log4j, Junit, AWS, TestNG, TypeScript, Selenium, Easy Mock, RabbitMQ, XML, Web Services, SOAP UI.

Confidential

Java Full Stack Developer

Responsibilities:

• Used Spring framework MVC in the development of new modules based on requirements.
• Utilized various utilities like JSP, JSTL, JavaScript, HTML, & CSS, jQuery.
• Refactored existing project to make it more RESTful and thread safe.
• Involved in the creation of dynamic web pages with the use of JSP and HTML.
• Configured and set up Java Workspace which included setting up server and theme installation and configuration. Became familiar with using and navigating through Java Workspace (Eclipse).
• Debugged Java classes used to modify web pages such as Business Objects and Data Access Objects.
• Implemented JDBC to perform the database calls from the Java layer.
• Used JDBC to persist Java Objects into the Sybase database.
• For XML marshalling and unmarshalling used JAXB. Worked with databases like Sybase.
• Tested many components of web application and documented my observations.
• Used Servlets as an interface between frontend and backend to handle HTTP requests and to send the response back to the front end.
• Participated in analysing the requirements and depicted them through use cases and scenarios.
• Participated in unit testing, integration testing and installation of the system.
• Contributed to the decision making of the software and hardware requirements and tool evaluations.
• Implemented logging for the whole application using Log4j.
• Involved in daily scrum meetings, worked on the sprint tasks in the Agile Scrum development.

Environment: Core Java, J2EE, HTML, CSS, JSP, JDBC, JSP, JavaScript, jQuery, XML, JSON, Servlets, Spring Framework, PL/SQL, Hibernate, Sybase, JAXB, RESTful, Log4j.