SUMMARY

• 12 years of experience in software life cycle development involving in analysis, design, development, integration, and support of large scale, object - oriented, distributed, web-based, and enterprise applications.
• Worked on architecture models and application stacking / layering to provide business with suitable technology alternatives with in Java/J2EE technologies.
• Worked on various Spring framework modules like Spring MVC, Web, ORM, DATA, AOP and persistence layers JPA and Hibernate.
• Experience in Architecture design using object modeling tools and implementation in high data volume, large user base, high performance, scalable applications.
• Expertise in Spring, Hibernate, Struts, Big Data Frameworks, OOAD, applying design patterns. Worked in all phases of the SDLC ranging from analysis and design through production maintenance and operation support using methodologies like waterfall, Kanban and agile models.
• Worked on Hadoop stack (Map Reduce Programming Paradigm) and key-value store technologies such as Cassandra.
• Ability to learn new concepts together with excellent interpersonal skills, lead development team in fast paced environment.
• Responsible for Design and Functional issues with internal and external, technical and non-technical teams.

PROFESSIONAL EXPERIENCE

Java Consultant

Confidential

Responsibilities:

• Designing and Developing web-based applications using Spring framework.
• Implemented back-end Web Services Spring MVC.
• Implemented common components using Spring Boot, Spring Data, JPA and AOP.
• Worked on POC to develop the Orchestration Layer usingSpring.
• Worked on database data modeling, complex queries and queries optimization.
• Implementation of lazy initialization, named queries and caching to optimize the performance of the DB operations.
• Implemented Caching mechanism using Hibernate EH cache for back-end services.
• Implemented web security using Spring security.
• Migrating existing applications into Micro services architecture using Spring technologies.
• Experience with GIT, SVN and other Client internal tools for maintaining code and bug fixes.

Environment: JDK 1.8, Spring Boot MVC AOP DATA, Rest Web Services, Oracle, JPA, Hibernate, JUnit, Maven, Tomcat 8, GIT, SVN.

Consultant

Confidential

Responsibilities:

• Requirement gathering and requirement clarification from respective application owner.
• Worked on Prototyping and Implementation using Java, Node JS, AWS with Slacker platform.
• Developed internal services using Java and Node.js
• Developed Milk Music backend API services
• Wrote internal and external API services using Node.js modules
• Implemented REST and SOAP web services and integrated with client services.
• Implemented extendable Kafka-based logging modules used by backend APIs
• Wrote end to end unit tests based on mocha framework
• Experience working with and implementing AWS.

Environment: JDK 1.7, Spring, Node JS, Eclipse, XML, MySql, Hibernate, Cassandra, SOAP&REST Web Services, Angular JS, JUnit, Maven, JBOSS 6, Mocha, GIT, Agile

Sr. Java Consultant

Confidential

Responsibilities:

• Worked on Requirement analysis, high level design and design review related activities for RCAST.
• Requirements review and preparation of database design.
• Development of reusable components using Java, Spring core, batch, integration and Hibernate.
• Responsible for back-end components and transaction management.
• Worked on Design Prototype and Implementation using Spring Batch and Integration.
• Used design patterns like MVC, DAO, factory and business delegate.
• Participated in Scrum Team Stand Ups, Sprint Reviews.
• Implemented Rest Web Services using Jersey to expose to consumer applications.
• Performed code reviews and code profiling to improve standards and performance.

Environment: JDK 1.7, Eclipse, JSP, XML, Oracle, Spring, Spring Batch and Integration, Hibernate, SOAP&REST Web Services, Ext JS, JUnit, Maven, Tomcat 7, JQuery, Selenium, Agile.

Lead Engineer / Solution Architect

Confidential

Responsibilities:

• Developed design for the Integration of multiple Network elements.
• Work with Developers on Design Prototype and Implementation.
• Developed custom Map-Reduce programs using Hadoop to perform Data Transformation and analysis as per requirement.
• Performed transformations, cleaning and filtering on imported data using Map Reduce, and loaded final data into HDFS.
• Prepared High-level Design Doc, walk through with development team and responsible for Design Implementation.
• Implemented on distributed EH Cache with hibernate.

Environment: JDK 1.6, Spring 3.1, Hibernate, Mongo DB, NodeJS, JBoss, REST Web Services, Hadoop, Pentaho, XML, JQuery, HTML, DOJO, Rally, Maven, MYSQL, JUnit, Sahi, TDD, Agile.

Sr. Java Developer

Confidential

Responsibilities:

• Requirement gathering and requirement clarification from respective application owner.
• Responsible for creating High Level Design Document.
• Design and development of Spring based processing components and UI portal.
• Worked with internal LDAP and Java mail API for common services.
• Development of Work Flow Diagram.
• Working with Off-shore and On-shore team and product owner.

Environment: Spring 3.0, Hibernate, Tomcat 5.0, Web Services (Apache AXIS), Hadoop, Agile, Selenium.

Sr. Java Developer

Confidential

Responsibilities:

• Worked on SRS documents and Design documents preparation.
• Implemented Framework Level Services like Autosuggest and Pagination
• Rule Engine implementation.
• Worked on Unit testing and Systems integration testing.
• Worked on development of various test cases and scripts.
• Responsible for Production Release Notes preparation and review.
• Developing Spring MVC Controller, EJB, Service and DAO layers using design patters.
• Worked on bug fixing and functionality enhancements in the maintenance phase.
• Responsible for technical issues with internal and external, technical and non-technical teams.

Environment: Spring 2.0, Hibernate, EJB 3.0, Oracle10g, Rest Web Services, JBoss 4.2, DOJO, Flex, Enterprise Architect, Ant, JUnit

Java Developer

Confidential

Responsibilities:

• Handling Client interaction weekly and need based for requirement clarification.
• Worked on Unit testing and Systems integration testing.
• MVC pattern implementation using Spring.
• Designed and developed applications on Spring, JSP and CSS for UI components.
• Developed Controller, Service and DAO layers.
• Accessing data using Hibernate API.
• Developed User Administration and Product Management.
• Developed Account Activity and report generation.
• Worked on Action classes, form Beans and JUnit Test Cases.

Environment: Spring, Hibernate, EJB 2.0, Oracle, Web Logic 8.1.JavaScript, JSP, JDBC, Clear Case, RAD

Java Developer

Confidential

Responsibilities:

• Worked on Requirement Analysis and Low Level Design document preparation.
• Developed the application using MVC Architecture.
• Integrated Struts with Enterprise Java Beans and created JSPs.
• Performed building and deployment of EAR, WAR, JAR files on test, stage, and production systems in Web logic Application Server.
• Development of helper classes and JSP for this section.
• Worked on enhancements and Maintenance of the product. Implementation of logging using Log4j.
• Used Oracle 9i as database and developed stored procedures for data access logic
• Developed several JSPs, Action classes, and Java Beans for various modules.
• Worked on testing and bugs fixed arises in production environment.
• Responsible for technical issues with internal and external team.

Environment: Struts 1.2.7, Oracle, Web Logic 8.1, JSTL, JSP, Java Script, AJAX, JUnit