SUMMARY

• Sr. Java, J2EE Developer with over 12 years of experience in analysis, design, development and implementation Of Enterprise applications using Java/J2EE Technologies
• Expertise in Object Oriented Programming and development of n - tier component based enterprise Web Applications using Core Java5-8 (Multithreading, JVM, Garbage Collection, Collections, Generics, annotations), Java EE 5 (Servlets, JSP, JDBC, JNDI, EJB, JTA, JPA, JMS), Web Services (SOAP, WSDL, Axis, Spring-WS, JAX-WS, JAX-RPC) and XML (SAX, DOM, JAXP, JAXB)
• Extensive working experience in developing Restful, SOAP Web Services, Microservices using SOAP using Spring boot, Spring Cloud, Jersey, and Apache CXF library.
• Skilled in MVC Architecture and industry standard frameworks including Vaadin, Wicket, Struts 2.0, Spring 2.0/2.5/3.0, Hibernate 3.0/4.0.
• Good knowledge in Data Structures(Stack, Queues, LinkedList, Tree) and Algorithms(Sorting and Searching).
• Hands-on experience in Deployments, Migration, Maintenance and Enhancements of Web/Enterprise/ Middleware applications in BEA Weblogic, JBoss, and Tomcat servers hosted on Windows and UNIX environments.
• Proficiency in web Front-end application development using JSP/Servlets/AJAX/HTML/XHTML/CSS/ XSLT/JavaScript.
• Highly proficient in designing Enterprise applications with Java/Java EE5 design patterns/best practices/coding standards including IOC (Inversion of Control), AOP (Aspect Oriented Programming), MVC, Business Delegate, Service Locator, Session Façade, DTO, DAO, Front Controller, Factory and Singleton.
• Familiar in developing Ant/Shell scripts for building/deploying/automation of the enterprise applications, Running schedulers/Jobs, nightly builds and used tools like Build Forge, Autosys.
• Skilled in developing enterprise application testing with JUnit and logging with Log4J for n-tier component Based enterprise Web Applications.
• Knowledgeable in Database Design, Creation and management of Schemas, writing Basic Stored Procedures, functions, SQL queries. Experience in writing SQL and PL/SQL programming.
• Good on developing report engine applications by using Apache Jasper Reports.
• Proficient in enterprise application design with expertise in the application security architecture of enterprise Applications.
• In-depth knowledge and experience in multiple domains including Airlines, Online Games, Tax, Advertisement and Industrial Industries. Extensively worked in providing Application Security Solutions for Enterprise projects.
• In-Depth Knowledge of Quality Processes & IT Service Management Procedures. Experience in Planning, Estimation using Agile Methodology towards successful releases over the past 7 years.

TECHNICAL SKILLS

Languages: Java, JavaScript 1.3/1.4/1.5, HTML 4/5, Ajax, SQL, NodeJS, ReactJs, AngularJS Groovy, Unix/Bash/Perl scripting, Actionscript 3, C

Web Technologies: JSP 1.1/1.2/2.0/2.1/2.1 , Servlets 2.3/2.5/2.0, EJB 2.0, Struts 1.1/1.2, Spring 2/2.5/3, and Hibernate, Java Mail 1.1/1.2/1.3/1.4 , XML, XSL, XSLT, SAX, DOM, CSS, Java Script, HTML, AJAX, Web services, SOA, RESTful Services, Kafka

Web Frameworks: Spring 2.0/3.0/4.0/5 , Spring Boot, Spring MVC, Vaadin, Wicket, JSF, WebWorks, Jakarta Struts, JSF, SEAM, Webflow, Jquery, AngularJs, BootStrap, DOJO, GWT, Ext.js, Prototype.js EJB 2.0/3.0, HTML 4/5, CSS, Javascript, Ajax, BootStrap, Angular 1.5

SOA and Web Services: Spring Web services, Apache Axis, Web Services (WSDL, SOAP, XML), JAX-RPC, JAX-WS.

J2EE Design Patterns/Architectures: Business Delegate, Composite Entity, Data Access Object (DAO),Front Controller, Model-View-Controller (MVC), Service Locator, Session Facade, Singletons, Data Transfer Object, Builder, Factory, Facade, Chain of Responsibilities, Strategy, etc

Application/Web Servers: Apache Tomcat 5.0/6.0/7.0/8.0 and JBoss. 4.0, IIS, BEA WebLogic 8.1/9.1/10.1

Object Persistence Tools / Caching: Hibernate, Ehcache, Spring Data, JPA

Security: SSL, Spring Security/Acegi, Win 32 Crypto APIs

Databases/NoSQL: MySQL 5, Oracle 9i/10g/11.2.1/12, MS SQL 2012, IBM DB2, PostgreDB, Mongodb, Lucene, ElasticSearch, Confluent Kafka

Version Control: Subversion, Git, WinCVS, CVS

Directory Servers: Windows 2012 Server Active Directory.

Operating Systems: UNIX (Solaris, Linux), Windows 7-10

Development Tools: Eclipse, Netbeans, RAD 6.0/7.0, IntelliJ

Project Management/Architecture and UML design tools: Agile Software Development Life-Cycle, VersionOne, Waterfall Software Development Life-Cycle Model / UML, Rational Rose, ARGO UML editor, Microsoft Visio, Rational Rose, UMLs

Operating System: Windows, MAC OS, Unix, Linux

Others: Android Development, Maven 2.2 / 3, Gradle, Ant 1.8, Shell Scripting, Docker, Kubernetes, GitCI, AWS, Datadog Metrics, NewRelic, Splunk

PROFESSIONAL EXPERIENCE

Confidential

Sr. Backend Java Developer

Technologies / Environment: Java (11), J2EE, REST Webservices, Spring Boot 1.5, Spring Batch, Spring JPA, Spring MVC, Spring Security, Spring Cloud, Spring Config, Tomcat, Hibernate, Postgres, Unix Scripting, Jenkins, GIT, SVN, NodeJS, JSON, XML, Confluent Kafka, AWS EC2, AWS S3, Kubernetes, Docker, Datadog, NewRelic, Splunk

Responsibilities:

• Worked with onshore team that includes the development team, product manager and solution architect to implement the Analytics platform for customer using spring framework.
• Created base framework project using java, gradle and spring boot framework/technology as foundation for different projects. Setup Datadog Dashboard for data metrics and implemented splunk logging.
• Worked in a sdk-event core library that includes creation of inhouse platform defined kafka producer, consumer, events and avro objects and topics that are used for publishing and consuming data from the kafka proton.
• Developed Web Services using SOAP/REST APIs.
• Design and develop various features for various Cloud environment including AWS, Spring Framework, Kubernetes, docker, Spring Security, Datadog, Kafka, etc.
• Resolved troubleshooting production issues by identification of software bugs.
• Help scrum lead / manage software release and deliverables.
• Created automation for integration and acceptance testing during system changes, deployments and upgrades for different environment. Performed unit, load and performance testing activities as per best automated framework practices. Improved code coverage and implemented google standard using spotbugs, checkstyle and google style libraries.

Confidential, San Jose, CA

Sr Backend Java Developer

Technologies / Environment: Java (1.8), J2EE, REST Webservices (JAX-RS), Spring Boot 1.5, Spring Batch, Spring JPA, Spring MVC, Spring Security, Spring Cloud, Spring Config, Tomcat, Hibernate, Postgres, OracleDB, Groovy, Unix Scripting, Jenkins, GIT, SVN, NodeJS, JSON, XML, Confd, MONA, Kafka

Responsibilities:

• Working with customers, product managers, solution architect to design the next generation orchestration for virtual network services including virtual router, firewalls, load balancers for their NFV based solution.
• Contributed in feature enhancements like Image Registration, profile creation, Virtual Machine Life-Cycle(Add/Delete/Update of flavors interface).
• Developed Web Services using SOAP/REST APIs.
• Design and develop various features for various Cloud environment including Openstack, VMWare, Cisco Cloud Services Platform, AWS, etc.
• Resolved troubleshooting production issues by identification of software bugs.
• Help scrum lead / manage software release and deliverables.
• Provided support for validation testing during system changes and upgrades.
• Performed unit and performance testing activities as per automated framework and practices.

Confidential

Sr Java Developer

Technologies / Environment: Java (1.8), J2EE, REST Webservices (JAX-RS), Spring Boot 1.5, Spring Batch, Spring JPA, Spring AOP, Spring MVC, Spring Security, Spring Cloud, Spring Config, Tomcat, Hibernate, SQL Server, Postgres, OracleDB, Spock, Groovy, Unix Scripting, Jenkins, GIT, SVN, NodeJS, JSON, XML, Angular 1.6.

Responsibilities:

• Provided development expertise in building new and supporting existing interfaces, customizations and extensions as part of the Oracle E-Business suite, Eloqua, HCM, Salesforce.com and Axosoft implementations.
• Developed Web Services using SOAP/REST APIs.
• Design, implement and maintain the platform’s API. Also part of the Confidential Cloud team where converting business projects to Cloud Platform using Microservices and Spring Cloud Technology.
• Continuously improve the quality, performance and scalability of the platform’s API.
• Knowledge of Continuous Integration principles and best-practices
• Contributions to open source projects, or independent projects
• Participated on Confidential project teams as required
• Assisted in designing and implementation of software product features and distributed applications.
• Performed unit and performance testing activities as per automated framework and practices.
• Resolved troubleshooting production issues by identification of software bugs.
• Evaluated performance and progress of program execution results using Java coding systems.
• Supported project management functions by providing estimates and schedules.
• Executed software applications through coding process of specifications and documents.
• Provided engineering expertise for development of server applications and API services.
• Investigated and fixed any reported problems with the existing customizations.
• Provided consultation to Confidential ’s Business Applications Architect and BSCs on the technical functioning of, and the code behind, existing customizations; suggest possible enhancements thereof.
• Provided support for validation testing during system changes and upgrades.

Confidential , Chesterbrook PA

Sr. Java Developer

Technologies / Environment: Java (1.8), J2EE, REST Webservices (JAX-RS), Spring Boot 1.5, Spring Batch, Spring JPA, Spring AOP, Spring MVC, Spring Security, Spring Cloud, Spring Config, AWS EC2, Hbase, Tomcat, Hibernate, SQL Server, Postgres, Spock, Groovy, Unix Scripting, Jenkins, GIT, SVN, NodeJS, JSON, XML, Selenium, Cucumber, Angular 1.4.

Responsibilities:

• Involved in various phases of development Iteratively analyzed and developed the system going through Agile SCRUM Methodology.
• Imparted technical direction and guidance to the development team to create designs, develop systems, resolve issues and development schedule.
• Developed RESTful services using Spring Boot, Spring Security, Oauth2, Spring Cloud, Spring Config, Spring JPA, Spring MVC, PostgreSQL .
• Responsible with the deployment and configuration of Microservices applications in AWS EC2 environment.
• Developed Multi-threaded Producer and Consumer MQ applications using Spring boot, and PostgreSQL.
• Responsible for Installation, configu ration and maintenance of Continuous Integration and Test Automation using using GIT, Jenkins, Maven, Spock, Groovy, NodeJS, and Unix Bash scripting.
• Developed Microservices application s using Spring Boot, Spring AOP, Spring Batch, Spring Rest Template, Spring JPA, Hadoop ’s Hbase and MongoDB.
• Developed tasks automation using Unix Bash scrips, Java, and NodeJS.
• Developed front-end components using AngularJS 1.4, Bootstrap, HMTL 5 and CSS and base back end core components.
• Developed Framework for automated tests using Spock, NodeJS, Mock Server, Groovy, Selenium, Cucumber.