SUMMARY

• Hands - on, Application Development with more than 12 years of experience in design and development of high performance, large scale software applications using OO design methodologies, service oriented architecture, in financial services industry using Java/J2EE technologies for trade processing, Risk Technology, compliance, health care and airlines data systems.
• Extensive SDLC experience including Requirement Analysis, Preparations of Technical Specifications Document, Design, Coding, Application Implementation, Unit testing, System Testing, Documentation, Production Support, Functional and Regression Testing.
• Experienced in Core Java 6, 7, 8 And Java collections, data structures, Transaction Management, algorithms, multi-threading, concurrency, asynchronous processing
• Hands on experience on Spring Core Annotations for Dependency Injection Spring DI and Spring MVC for REST API s and Spring Boot for micro-services.
• Worked on the performance profiling usingProbeand enhancement of the application which involved identifying thememory leaksand memory consumption and continuously monitoring the performance.
• Experienced in spring framework development, Spring batch, Spring data, Hibernate, Batch Programming, Spring MVC, Spring WS, Spring Boot, Junit testing, Testing framework.
• Extensive used project build tools such as Maven, Jenkins, and Ant.
• Experience in J2EE and related technologies like JSF, EJB, JDBC, JTA, JTS, JSTL, JNDI, JAXB, JAXR and JAX-WS.
• Experience with Soap based web services, WSDL, RESTful web services, XML, JSON. Handle the security implementation for web services using SAML.
• Expertise in XML and related technologies like XSL, XSLT, XPath, XSD, XSLFO, XQuery, parsers like JAXP (SAX, DOM) and JAXB.
• Strong Experience in EJB s (Session Beans, Entity Beans, Message Driven Beans), SOAP, HTML5, JMS, JSP, Servlets, JDBC, JNDI, Struts and UNIX.
• Worked on Hibernate for mapping the java objects to relational database and SQL queries to fetch the data, insert and update the data from the database
• Extensively handle the implementation and deployment of Telecom, Banking and Financial, Insurance, Energy & Utilities web application along with security implementation like SSL configuration and Digital Signing and Application Servers clustering
• Excellent understanding of relational databases involved in application development using several RDBMS like Oracle 8i/9i/10g, MS-SQL, PostgreSQL SQL SERVER, LDAP.
• Expertise in developing highly interactive rich Web UI using HTML5, JavaScript, JQuery, Ajax, AngularJS, JSF 2.0, Rich faces 3.0 and Wicket.
• Experienced in development and deployment on IBM WebSphere 6.0, BEA WebLogic 8.1/10/11, JBoss Application Server3.2.5, 5.1.0 and Tomcat 6.0/7.0
• Hands on experience in using relational databases like Oracle, SQLite, PostgreSQL and MYSQL databases.
• Experienced in the use of various software development tools as database management (SQL Query Analyzer, Navigator, DB Visualized, TOAD), source code control (SVN, Subversion, VSS, CVS, Rational clear case), profiling and debugging tools (Eclipse), IDE (Eclipse and RAD).
• Experience in writing ANT, Maven build scripts, providing logging facility using Log4j and Writing JUnit test cases.
• Experience in Object Oriented Analysis and Design using UML and developing Use Cases, Class diagrams and Sequence Diagrams with Rational Rose.
• Experience in different design patterns like MVC (Model-View-Controller), Singleton, Factory, DAO, Builder, Business Delegate, and Session Facade in the development of Multi-Tier distributed Enterprise Applications.
• Knowledge on Big Data technologies like Hadoop, HBase, HDFS, Apache Spark, Apache Scala.
• High development skills and ability to meet project delivery deadlines.
• Good analytical skills, commitment to co-operative teamwork and developing high quality software s meeting exacting requirements of the customer.
• Excellent interpersonal skills, including the ability to coordinate and motivate team members.
• Strong interest and high caliber to learn new tools, methods, and technologies

TECHNICAL SKILLS

Core Java: Java (7,8), Multi-threading Inter-process communication Algorithms Collections Generics Memory management Concurrency Design patterns.

Design Patterns: MVC, Factory, Session Façade, Service Locator, Front Controller, Singleton Pattern, View helper.

JEE: JSP, Servlets, JDBC, JMS, JNDI, JCA, JTA, JPA, JSTL

MVC Frameworks: Struts, Spring, JSF (MyFaces1.0, RichFaces3.0, Prime Faces), Ajax4Jsf1.1.

ORM Frameworks: Hibernate, JPA

IDE: Eclipse, NetBeans. Spring Tool Suite (STS)

Frameworks: Struts, Spring, Hibernate

Databases: MS SQL Server 2014, Oracle 8i/9i/10g, MySQL, MS-Access 2003, Sybase, DB2

Web/App Server: IBM WebSphere 6.0, BEA WebLogic 8.1, JBoss3.2, Tomcat 5.x/6.0/7.0, IIS Server

Web Service Imp: Axis, CXF, Jersey

Web Service Specs: JAX-RPC, JAX-WX, JAX-RS(Restful)

Bug Tracking Tools: JIRA, IBM Clear Quest

Testing Frameworks: JUnit, Easy Mock, Power Mock, Selenium, Mocha. SOAPUI

PROFESSIONAL EXPERIENCE

Confidential - Mclean, VA

Java Tech Lead - Micro-Services

Responsibilities:

• Design and develop new Microservices based on new requirements and extracting functionality from existing code base
• Build microservices for the delivery of software products across the enterprise
• Develop strategy for integrating internal security model into new projects with Spring Security and Spring Boot Experience building REST and SOAP web services using Java
• Create RFP (Request for Proposal) microservice to provide RESTful API utilizing Spring Boot
• Create and configured the continuous delivery pipelines for deploying microservices using Jenkins CI server
• Strong understanding of Java concurrency, concurrency patterns, experience building thread safe code
• Experience with development tools like STS - Eclipse, Git, Sonar Qube, Jenkins, Jira, Artifactory etc
• Experience with Tomcat web application server.
• Experience with TDD, code testability standards, JUnit.
• Strong understanding of OOP & SOA principles, design patterns, industry best practices
• Experience with scripting and working in a Linux environment
• Experience working on large and medium scale software projects
• Experience building distributed systems at Internet scale
• Strong written and verbal communication skills
• Strong interpersonal skills and time management skills
• Strong analytical and troubleshooting skills
• Expertise in MVC Architecture using spring framework and implementing custom tag libraries.

Environment: Java 8, Spring Boot, Spring Framework, REST/JSON Web service, SOAP, Maven, JUnit, AWS, Micro services, Confluence. Tomcat, Web sphere, SonarQube, JMeter

Confidential - Washington DC

Senior Java/AWS Developer

Responsibilities:

• Involved in deploying systems on Amazon Web Services Infrastructure services S3
• Build micro services using spring boot for the delivery of software products across the enterprise.
• Created Python scripts and updated the scripts as per the requirement
• Designed and implemented a database migration to centralize multiple local MySQL database instances to a single Amazon Aurora S3 instance.
• Create RFP (Request for Proposal) micro service to provide RESTful API utilizing Spring Boot with Spring MVC.
• Configuring application server for Performance Auditing/logging and managing memory.
• Developed an Analytics and Reporting application in Java to gather database metrics, store them in a Orient DB graph database and produce a daily snapshot report from a Java application running in Tomcat.
• Created SQL queries, PL/SQLStored Procedures, Functions for the Database layer by studying the required business objects and validating them with Stored Procedures using DB2. Also, used JPA with Hibernate provider.Proficient in Java Multi - Threading and Concurrency.
• Monitor performance usingJProfilerfor memory leaks and thread deadlocks.
• Hands on experience using multi-threading in back end java beans
• Implemented business logic using Spring MVC and Hibernate framework
• Taken care of Java multi-threading, concurrence in common java classes / library.
• Expertise in MVC Architecture using spring framework and implementing custom tag libraries.

Environment: Java 8, Spring MVC, Hibernate, Postgres, REST/JSON Web service, REST, JMX, ANT, Maven, JUnit, SVN, Kafka, S3, Bamboo, Microservices, Confluence, Concurrency, Multi-threading, Memory Model.

Confidential, Washington DC

Senior Java Developer/Lead

Responsibilities:

• Developed application service components and configured beans using Spring IoC, creation of Hibernate mapping files and generation of database schema.
• Oversee and develop Notification Service micro service to use across the enterprise.
• Created shell scripts and updated the scripts as per the requirement
• Developed API using Hibernate to interact with the Oracle database
• Developed scripts for inbound and outbound of the data on servers
• Used spring framework for dependency injection and integrated with Hibernate
• Proficient in Java Multi - Threading and Concurrency.
• Hands on experience using multi-threading in back end java beans
• Implemented business logic using Spring MVC and Hibernate framework
• Taken care of Java multi-threading, concurrence in common java classes / library.
• Expertise in MVC Architecture using spring framework and implementing custom tag libraries.
• Utilize Camel to integrate micro services with other micro services and RabbitMQ messaging exchanges.
• Oracle is used as the persistence layer, configured, and optimally indexed for searches
• Experience with SQL and basic CRUD operations
• Developed stored procedures, triggers, and functions with PL/SQL for Oracle database
• Used JDBC to connect to the information model tier.
• Develop innovative and quality solutions by making use of latest tools and technologies like Apache CXF, Spring Core, and Spring AOP.
• Developed Rest architecture based web services to facilitate communication between client and servers.
• Developed application using Eclipse Ganymede for rapid development.
• Use of WebLogic application server to deploy the application and connect through the data source using JNDI name
• Developed JUnit test cases for all the developed modules.
• Designed and implemented four Agile Scrum teams for product development
• Developed the UML Use Cases, Activity, Sequence, and Class diagrams using Rational Rose.
• Developed application code using Eclipse IDE and configured with Maven and Apache tomcat
• Developed framework using Java, iText, MySQL and web server technologies
• Worked with ILog Jrule engine, to trigger the business rules in the rules execution engine configured in WebLogic application server.
• Worked with business teams using agile methodology to integrate business line of apps with SOA in a seamless fashion.

Environment: Java 7, Concurrency, Microservices, Threading, Spring MVC, Hibernate, XML, Oracle, REST/SOAP Web service, REST, JMX, ANT, Maven, JUnit, SVN.

Confidential

Senior Java Programmer

Responsibilities:

• Developed a Java, Oracle, Spring MVC, and Hibernate based Web application.
• Built an end to end vertical slice for a JEE based billing application using popular frameworks like
• Spring, Hibernate, Maven2, and Ajax by applying OO design concepts, JEE & GoF design patterns and best practices.
• Integrated other sub - systems like loans application, equity markets online application system, and documentation system with the structured products application through JMS, MQ, SOAP based Web services, and XML.
• Tuned SQL statements, Hibernate mapping, and Web logic application server to improve Performance, and consequently met the SLAs.
• Gathered business requirements and wrote functional specifications and detailed design documents.
• Improved the build process by migrating it from Ant to Maven2.
• Built and deployed Java applications into multiple Linux based environments and produced both unit and functional test results along with release notes.
• Environment: Java 1.6, Spring MVC,, Ajax, JQuery, XML, Hibernate, Oracle, PL/SQL, Spring-ws, SOAP
• Web service, JMX, ANT, Maven2, Continuum, JUnit, SVN, TDD, and XP.
• Used Web Services (SOAP) for transmission of large blocks of XML data between two interfaces.
• Developed the Web Services Client using SOAP, WSDL description to verify the credit history of the new customer to provide a connection.
• Eclipse as an IDE for developing the application, Subversion for software version control. Used JUnit framework for unit testing of application and Log4j to capture the log that includes runtime exceptions.
• Developed AJAX scripting to process server side JSP scripting and JSPs using EL language and JSTL tags.

Environment: Java 7, Concurrency, Threading, Spring MVC, Hibernate, XML, Oracle, REST/SOAP Web service, REST, JMX, ANT, Maven, JUnit, SVN.

Confidential

Senior Software Engineer

Responsibilities:

• Extensively used Core Spring Framework for Dependency Injections of components.
• Developed API using Hibernate to interact with the Oracle database
• Used spring framework for dependency injection and integrated with Hibernate
• Proficient in Java Multi - Threading and Concurrency.
• Developed SOAP web services utilizing business logic for CRUD functionality
• Worked on PL/SQL and created views, triggers, procedures, function, and stored procedures.
• Created complex SQL and used JDBC connectivity to access the database
• Developed Java and EJB in Mainframe DB2 environment
• Used Eclipse as an IDE for developing the application
• Used JUnit framework for unit testing of application and Log4j to capture the log that includes runtime exceptions.
• Designed and developed the application using agile methodology and followed TDD, Scrum.
• Designed UML diagrams using UML and Rational Rose.
• Used the Eclipse as IDE, configured and deployed the application onto WebLogic application server using Maven build scripts to automate the build and deployment process.
• Used Web Services for creating rate summary and used WSDL and SOAP messages for getting insurance plans from different module and used XML parsers for data retrieval.
• Design, implementation, and development of Oracle ECM workflows to meet the requirements of the business user
• Created user interface and backend server application using Java, Google Web Toolkit, Spring, Tomcat, and GIS
• Usage of version control repository SVN (Subversion by apache), JIRA/ Quality Center for ticketing, Wiki for documentation, Jenkins for nightly build

Environment: Java 7, JavaScript, Concurrency, Threading, Web service, JDBC, Spring MVC, Hibernate, Oracle, PL/SQL, Tomcat 7.0, ANT, CVS, and JUnit.