SUMMARY

• Having 7+ years of extensive IT experience in all phases of Software Development Life Cycle (SDLC) which includes development, design, analysis, testing and Integration of various web based and client/server applications in multi - platform environments with JAVA/J2EE technologies.
• Experience in developing applications using SDLC methodologies like Waterfall, Agile (TDD, SCRUM) and Test-Driven Development.
• Developed Service Oriented Architecture (SOA) and Micro Service Architecture based J2EE applications.
• Expertise in implementing Design Patterns like Singleton, Factory, MVC, Front Controller and DAO pattern.
• Expert in Core Java and implementing concepts like Multithreading, Concurrency, Exception Handling, File handling, IO, Generics and Java collections in various projects.
• Experience with Java 1.8 features such as Lambda Expressions for making inline function calls by using Functional Interfaces which makes code readable and concise.
• Expertise in developing Web Pages using HTML5, CSS3, Bootstrap, JavaScript, JQuery, Ajax and Angular JS with webpage cross browser compatibility and Responsive Web Design and have knowledge on Server scripting language like NodeJS.
• Implemented Angular 6 services to connect the web application to back-end APIs to POST/GET the data used in the application.
• Worked as SRE (Site Reliability Engineer), involved in improving the availability, latency, efficiency and making the application more resilient and reducing the TOIL items.
• Managed Amazon Web Services like EC2, S3 Buckets, Dynamo DB, Elastic search, Virtual Private Cloud (VPC) through AWS Console and API Integration.
• Experience in building Micro Service applications using Spring Boot for developing RESTful Web Services.
• Experience in verifying issues during Production Support and resolving those issues using Splunk and Dynatrace.
• Experience in Creating and configuring the continuous delivery pipelines for deploying Micro services and Lambda functions using Jenkins CI server.
• Experienced in developing web-based applications using Java/J2EE, Servlets, Struts (Struts, Tag Libraries and Struts custom validation rules, Tiles), Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Web Flow, Spring Data, JDBC, Spring Data Rest, Spring Data JPA, Web Services (SOAP & Restful services) and ORM frameworks like Hibernate, iBatis.
• Experience in developing and deploying applications on Cloud Platforms like Amazon Web Services and PCF.
• Integrated java and Angular based application using Elasticsearch via Spring RESTful Controllers communicating to a java utility wrapper
• Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s.
• Excellent in developing REST and SOAP based Web Services using JAX-RS, JAX-WS, WSDL, JAX-B, Apache Axis, Apache CXF and Jersey frameworks.
• Experienced in implementation of JMS to exchange information over reliable channel in an asynchronous way by using ActiveMQ, RabbitMQ, and Kafka as message queue.
• Experience using Hibernate for mapping Java classes with database and using Criteria API and Hibernate Query Language (HQL).
• Proficient in developing RESTful web services in Python using XML, JSON.
• Worked with SQL databases like Oracle, My SQL, IBM DB2, Maria DB and worked with in memory database like H2 and Hands on Experience in working with NoSQL Database like MongoDB to manage extremely large data sets also worked with Graph databases like Neo4j.
• Proficient in writing SQL queries, PL/SQL stored procedures, Triggers and creating business tables.
• Expertise in building Microservices and implementing Spring Cloud- Netflix OSS Stack- Eureka and Hystrix Circuit Breaker.
• Used Feign Client, Retrofit as declarative Http Clients.
• Hands on experience in working with Junit5, Mockito and Selenium .
• Experienced with deploying applications on to production servers, configuring various parameters of servers like Apache Tomcat, JBOSS, BEA Web logic, IBM Web Sphere.
• Creation of custom components, client libraries, OSGI services, deployments frameworks, querying and connecting to DB using OSGI bundles.
• Have experience in job scheduling tool like Control-M for automating IT processes.
• Used version controller tools like Tortoise Sub Version (SVN), and GIT.
• Experience in working with IDE’S like Eclipse, Spring Tool Suite (STS), RAD, Visual Studio and IntelliJ.
• Hands on experience on tools like JMeter, Postman and Swagger.
• Used JIRA, Bitbucket and Rally to track user stories
• Have extensive experience working on Windows, MacOS, Linux and UNIX Operating Systems.
• Used Slack and Symphony as messaging services and implemented logic to generate notifications.
• Good understanding of Business workflow, Business logic and Business methods for further implementation of user requirement in a distributed application environment.

TECHNICAL SKILLS

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

Mark-up/XML Technologies: HTML5, CSS3, Bootstrap, JavaScript, JQuery, Ajax, AngularJS, NodeJS, XML, XSD, XSL/XSLT, SAX/DOM, DOJO and JSON.

Tools: & Framework: Struts, Spring, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Security, Spring Data REST, Spring Data JPA, Spring Boot, JUnit, Apache CXF, SOAP UI, Google Web Toolkit, Jersey.

Build Automation: ANT, MAVEN, Jenkins, Gradle.

Web services: SOAP, RESTful, UDDI, WSDL, JAX-RPC, JAX-RS, JAX-WS, JAX-B, Micro services, Apache Axis and Apache CFX.

Cloud Technologies: Amazon Web Services (EC2, SQS, RDS, IAM, S3), Spring Cloud and PCF.

Web/App Servers: Web Sphere, Apache, Apache Tomcat, JBOSS EAP, Web Logic Server and Apache Camel

Databases: Oracle, SQL-Server, IBM DB2, H2 and NoSQL DB like MongoDB, Neo4j.

IDE tools: Eclipse, Net Beans, Spring Tool Suite (STS) and IntelliJ IDEA, RAD, Adobe Dreamweaver, Visual Studio.

Testing Tools/ Others: Selenium, JUnit, Rational Clear Quest, RTC, Load UI and Mockito.

Version Control: Tortoise SVN, CVS, Rational Clear case, and GIT, Bitbucket

OS & Environment: Windows, Win 2k Server, Sun Solaris, UNIX, MacOS, Linux

Design Patterns: Singleton, Factory, MVC, Front Controller and DAO pattern.

PROFESSIONAL EXPERIENCE

Confidential

Full Stack Java Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modelling, analysis, design, development, testing and application support.
• Upgraded existing UI with HTML5, CSS3, jQuery, Bootstrap.
• Implemented core features of Angular 6 framework such as Dependency Injection, Data Binding, Filters, Directives, Templates, Services and Deep Linking Designing.
• Highly used Angular 6 Router to build single page applications for navigation through different status and multiple models.
• Used Java 8 features like stream and Lambda expressions.
• Maintained Interface compatibility and concurrency in the project using Java 8 new features like default, static methods, and Concurrency API.
• Used IntelliJ, Visual Studio IDE for Debugging and development of Application.
• Designed and developed Micro Services business components using Spring Boot.
• Used Spring MVC framework for implementing Model-View-Controller (MVC) architecture at the Web tier level to isolate each layer of the application so that the complexity of integration will be reduced, maintenance will be very easy.
• Used Spring AOP for solving crosscutting concerns like keeping logged data and transactions details etc.
• Used Spring Batch for processing a large amount of data like transaction management, job processing, resource management and logging.
• Secured the API's by implementing Oauth 2.0 token-based authentication/authorization scheme using Spring security.
• Used Hibernate ORM framework as persistence engine and wrote Hibernate Queries to automate the mapping between Oracle database and Objects in Java.
• Involved in writing SQL and Stored Procedures for handling complex queries with help of MySQL Workbench, TOAD, and access them through Java Programs from Oracle Database.
• Experience in writing complex PL/SQL queries using joins, Stored Procedures, Functions, Triggers, cursors, and indexes in Data Access Layer.
• Worked with MongoDB to store non-relational data into the collection and retrieve them whenever required. Worked with Cosmos DB, Atlas, and tools like Compass to communicate with MongoDB.
• Used WebLogic Application Server to route our JMS queue messages to different business floors and configured routes in WebLogic and used JMS in the e-mail notification.
• Developed Restful Micro Services using Spring Rest and MVC, for OSS services.
• Hands on Coding to build REST Micro Services using Spring Cloud, Oracle, XSD, JSON, Spring Config, Cloud Foundry and Jenkins.
• Developed and published Webservices using Spring Rest and JAX-RSAPI.
• Responsible for creating an instance on Amazon EC2 (AWS) and deployed the application on it.
• Installed, secured, and configured AWS cloud servers and Amazon AWS virtual servers (Linux).
• Worked on developing Restful endpoints to cache application specific data in in-memory data clusters like REDIS and exposed them with Restful endpoints.
• Focused on Test Driven Development by creating detailed JUnit tests using Mockito for every single piece of functionality before writing the functionality.
• Worked in an Agile environment using SDLC tools like GIT, Jira, Jenkins, and Maven for build packaging and deployments of the application components.

Environment: Agile, Java 8, HTML5, CSS3, JavaScript, jQuery, Angular2, Spring Boot, Spring Rest, Spring Cloud, Spring MVC, Spring AOP, Spring Batch, OAuth2, Hibernate, Oracle, MongoDB, WebLogic Application Server, JMS, Microservices, AWS, RESTful web services, TDD, GIT, JIRA, Jenkins, Maven.

Confidential

Full Stack Java Developer

Responsibilities:

• Worked on High level and low-level system design, planning, estimation, and implementation.
• Developed presentation layer using JSP, HTML5, CSS3 and client validation using JavaScript, JSON.
• Used two-way data binding features of AngularJS to implement Data binding to bind various server controls to the data from database.
• Implemented animation and styling using CSS3 and JQuery.
• Used NodeJS for building web applications with client-server architecture, where both can initiate communication in two-way connections and allow them to exchange data.
• Worked on development and implementation of the MVC Architectural pattern using Spring Framework including JSP, and Servlets.
• Involved in implementing the Micro Services based on Restful API utilizing Spring Boot with Spring MVC.
• Used Web Services for creating rate summary and used WSDL and SOAP messages for getting useful plans from different module.
• Implemented Core Java concepts like Multithreading, Concurrency, Exception Handling and Collections whenever necessary.
• Designed and integrated the full-scale Spring / Hibernate persistence solution with the application architecture.
• Developed the DAO layer for the application using Spring, Hibernate template support.
• Implemented Object Relational Persistence (Hibernate) for the domain model.
• Involved in design and development of the Hibernate Domain Model for the services.
• Worked on web services and associated business modules integration.
• Involved in writing JSP components. Used JSTL Tag library to create standard dynamic web pages.
• Worked on XML and JSON for transferring and retrieving data between different applications.
• Worked on generating the web services classes by using Service Oriented Architecture (SOA), WSDL, UDDI and SOAP.
• Worked in wide-area network to maintain all the device related data onto MYSQL database.
• Experienced in RDBMS such as Oracle, Cassandra, MySQL, and IBM DB2 databases. Used NoSQL DB database MongoDB for proof of concept and having experience in create a Stored Procedures and having experience in Remote Procedure call (RPC) and Redis.
• Used RabbitMQ message broker to route messages to the clients across the cloud network.
• Experience in writing complex PL/SQL queries using joins, Stored Procedures, Functions, Triggers, Cursors, and indexes in Data Access Layer.
• Involved in identifying and implementation of different J2EE design patterns like Service Locator, Business Delegate, and DAO.
• Collaborated with testers and developers and prepared test plans for producing high quality software applications.
• Experience in using JUnit and build tools such as MAVEN. Worked on Log4j for logging errors, messages, and performance logs and SVN for version control.
• Deployed and tested the application in UNIX on IBM Web Logic Application Server.

Environment: Agile Methodology, Java, J2EE, HTML5, CSS3, JavaScript, jQuery, Ajax, AngularJS, JSON, JSP, Struts, Micro Services, Spring, Hibernate, SOA, SOAP, WSDL, RabbitMQ, Multithreading, Concurrency, Exception Handling, JDBC, Oracle, Maven, JUnit, Log4J, SVN, JAXB, XML, Web Logic, Unix/Linux.

Confidential

Java/J2EE Developer

Responsibilities:

• Involved in analysis, specification, design, implementation, and testing phases of Software Development Life Cycle (SDLC) based on the functional requirements.
• Application is implemented using agile methodology where there is a daily SCRUM meeting to understand the status and resolve any issues.
• Implemented the application using Spring IOC, Spring MVC Framework, Spring AOP, Spring Boot, Spring Batch, and handled the security using Spring Security.
• Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template and Spring IOC (Dependency Injection).
• Spring MVC model integration for front-end request action controller.
• Used Apache Axis Service Engine for creating and deploying Web Service clients using SOAP.
• Consumed SOAP and Restful web services in SOA environment and used SOAP UI for testing.
• Upgraded existing UI with HTML5, CSS3, jQuery, Bootstrap and Node.js interaction.
• Used Node.js for building web applications with client-server architecture, where both can initiate communication in two-way connections and allow them to exchange data.
• Developed the persistence layer using Hibernate Framework, created the POJO objects and mapped using Hibernate annotations and Transaction Management.
• Extensively used hibernate named queries, criteria queries, Hibernate Query Language (HQL) and Optimistic Locking and Caching to process the data from the database.
• Involved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.
• Developed persistence API's that can store data synchronously and asynchronously to Cassandra data store with batching.
• Created flows on messaging using ActiveMQ.
• Extensively used JUnit for unit testing, integration testing and production testing.
• Involved in installing and configuring Maven for application builds and deployment.
• Used JIRA to assign, track, report and audit the issues in the application.
• Worked with IntelliJ and used Gradle build tool to achieve more functionality for build process and Used Apache Tomcat Server.
• Involved in Maintenance and Enhancements for the project.

Environment: Java, HTML5, CSS3, Bootstrap, jQuery, Node.js, Spring IOC, Spring MVC, Spring Batch, Spring Security, XML, XSD, SOAP, Restful, ActiveMQ, Cassandra, Log4j, SOA, Oracle, Apache Tomcat, Agile Methodology, JUnit, Maven, GIT, JIRA and IntelliJ.