SUMMARY:

• 8 years of Software development experience with full project life - cycle development using Hadoop, Java/J2EE, Hibernate, development background, XML,JDBC, Servlets technologies
• Strong Java/J2EE application with experience in defining technical and functional specifications, maintenance and support for Enterprise applications
• Experienced in Retail domain and worked with major retailers like Confidential. Worked as a design engineer and module lead.
• Experienced working in production support/maintenance applications and handling high severity incidents and providing resolutions within SLA by implementing quick breakfix
• Experience in developing web applications using Spring MVC Frameworks
• Extensive experience in using various design patterns such as MVC, Singleton, Prototype in the development of Multi-Tier distributed Enterprise Applications
• Experience in development and design knowledge in Hadoop, Hive, Sqoop, Spark
• Experience in Quartz Scheduler API and Oozie for job schedule
• Experience in working in cloud computing platform Pivotal Cloud Foundry
• Developed custom defined dashboard tools for monitoring Hadoop jobs and application status
• Implemented REST web services using Spring MVC and Webpshere-DB2 stored procedure
• Experience in the backend database activities using Spring JPA
• Implemented security for the micro services using token based authentication(JWT-JSON Web Token)
• Experience working in authentication using LDAP server.
• Extensive experience in developing applications using agile methodologies like Test Driven Development (TDD) and Waterfall model
• Hands on experience with various Application Servers and Web Servers including Tomcat server, IBM WebSphere with wide variety of development tools like Eclipse, IBM RAD and Net Beans
• Proficient in RDBMS & ORM concepts and worked with MySQL, Oracle, DB2 and Sybase.
• Proficient in writing java unit test cases using Junit and configuring project dependencies using Maven
• Experience in using Version Control using Perforce and Tortoise SVN
• Worked on different OS of Ubuntu Linux and Windows
• Good team player with ability to solve problems, organize and prioritize multiple tasks
• Excellent communication and inter-personal skills

CORE COMPETENCIES

• S/W development life cycle methodologies
• Requirements definition and functional specifications.
• Implementing projects, end to end testing and user acceptance testing.Data analysis and impact analysis based on business requirements.
• Prepare Business requirement mapping and documents.

TECHNICAL SKILLS:

Software Methodologies: Agile, Waterfall

Frameworks/ORM: Hibernate, Struts, MVC, Spring Boot

J2EE Technologies: Servlets, Spring JPA, XML, JMS, JDBC, Hibernate,JSP.

Web Services: SOAP, Rest

Databases: Oracle, DB2, My SQL, Sybase, Maria DB

Hadoop Technologies: HDFS, Hive, Sqoop, Oozie,Pig and MapReduce

Big Data Environments: Pivotal and Hortonworks

Tools: IBM RAD 7.0, Eclipse, TOAD, MS Office

Cloud Computing Platform: Pivotal Cloud Foundry(PCF)

PROFESSIONAL EXPERIENCE:

Confidential

Developer

Technologies: Spring Boot, Spring JPA, Spring Batch and JMS(Point-to-Point messaging),MYSQL, Pivotal Cloud Foundry

Responsibility:

• Interacts with business analysts and prospective application managers to gather requirements.
• Involved in preparing the Solution Design Document and Application Design Document.
• Involved in the design of data model.
• Involved in the development of various modules like authentication against LDAP server, withdrawal process and replenishment of trays.
• Implementation of micro services and securing them using JWT (JSON Web Token Authentication).
• Implemented all the backend database activities using Spring Data.
• Deployment of application in Pivotal Cloud Foundry.

Confidential

Big Data Developer

Technologies: Hive, Oozie, HDFS, Scala with Spark, Sqoop, Oozie, Pig and MapReduce

Responsibility:

• Interacts with business analysts and prospective application managers to gather requirements, guide implementations and production rollouts for ETL batch & real-time applications.
• Created Base Data Layer module which has set of common tables derived which can be used across each and every capability in Assortment Discipline tool.
• Developed Store Clustering Module across 1000 demographics variable, later fed into R program to form reclassified store clustering.
• Calculated and Developed Substitutability model for determining best substitutable item from the distance calculated using two point formula.
• Developed and Implemented Yules Q model by deriving household counts on visits and other aggregated metrics values.
• Analyzed and developed item loyalty with household based on the visits and items purchased.
• Performed data processing using HIVE.
• Built customer analytical attributes using HIVE.
• Enhanced HIVE queries performance using TEZ.
• Involved in loading data from UNIX file system to HDFS.
• Performance Management & Monitoring of ETL applications to monitor the health of the environments to proactively address potential issues
• Analyze customer patterns based on the attributes Understood the business needs and lead the team accordingly for deliverables.

Confidential

Developer

Technologies: Spring, Core Java, Apache Tomcat, Sybase, Hibernate, Shell Script(Basic)

Responsibility:

• Co-ordinate with Business associates and clients and get project requirements.
• Design of prototype screens for approvals.
• Involved in preparation of Effort estimation for the activity based on the Requirement and Design.
• Coding and Implementation.
• Unit testing the functionality of application and running unit test cases for projects under development.
• Preparation of Specification document, Analysis and Design document, Code Review Documents and Unit Testing documents.
• Bug Fixing and issue resolution.

Confidential

Developer

Technologies: Spring, Core Java, Apache Tomcat, Sybase, Hibernate

Responsibility:

• Involved in requirement analysis
• Involved in design phases.
• Created JavaScript and Servelet classes
• Responsible for Bug fixing and unit testing during all phases.

Confidential

Developer

Technologies: Spring, Core Java, Apache Tomcat, Sybase, Hibernate

Responsibility:

• Responsible for d evelopment of client side screens and making the application compatible across various browsers and resolutions.
• Responsible for Bug fixing and unit testing during all phases.

Confidential

Developer

Technologies: Spring, Core Java, Apache Tomcat, Sybase, Hibernate

Responsibility:

• Involved in documentation, design, development of the screens, retrieving and storing data in DB and testing the application.
• Responsible for Bug fixing and unit testing during all phases.

Confidential

Developer

Technologies: Spring, Core Java, Apache Tomcat, Sybase, Hibernate

Responsibility:

• Preparation of Analysis and Design document for Supplier application
• Development of various modules involved in the project
• Unit Testing and Quality Assurance of the application
• Code Review
• Extended production support for the Supplier & Purchase Order applications
• Documentation of the system
• Documentation for implementing the project into production