SUMMARY

• Over 9.2 years of working experience in Java - J2ee based large scale enterprise distributed applications
• Having good experience working onsite at customer location
• Good exposure to Service Oriented Architecture(SOA, WebServices, Micro services and Cloud computing)
• Accomplished, Results Oriented, ‘hands on’ specializing in Financial Industry
• Strong work experience in technologies Core Java, Spring, Spring Boot, Cloud foundry, Hibernate, DevOps model
• Very good understanding of cloud environments like Amazon web services(AWS), GAIA hybrid cloud platform
• Good working experience with distributed in-memory caching solutions like Gemfire, Terracotta
• Good work experience in messaging technologies like JMS, MDB, and WebSphere MQ
• Good experience in unit testing application with Selenium,JBehave, Junit and Mockito, PowerMock frameworks
• Proficient in database related technologies like Oracle, DB2, SQL, PL\SQL and Cassandra NoSQL database
• Very good experience with SSL certificates, Web server configurations, mod Jk
• Expertise in tools like Git, Maven, Jenkins and Log4j
• Good experience with XML,SOAP, XSD and XSLT
• Good experience in developing applications on Unix/Linux platforms
• Adept with debugging skills in large scale distributed applications
• Exposure to Agile(scrum) and waterfall software development methodologies
• Self-motivating individual with quick learning and good communication skills
• Experience in mentoring peers in diverse technical issues and leading technical assignments

TECHNICAL SKILLS

• Core Java
• AWS
• JSP, Servlets, JDBC
• SoapUIWeb Services, SOA, JAX-WS, SOAP, REST.
• Maven, Subversion, Git
• JQuery, JSON, Junit, Mockito, Selenium,JBehave
• Java Script, Node JS
• Hibernate, Spring, Springboot, Micro ServicesJenkins, Jules CI CD
• JMS, MDB, MQ Series, WebSphere MQ
• Unix, Shell scripting, Python
• Tomcat, JBoss
• MS Visio
• Eclipse, IntelliJ, RAD for WebSphere, HP QC, AutoSys
• Cassandra
• XSD, XML,SOAP, XSLT,XPATH, HTML
• Cloud Foundry, Gemfire, Terracotta

PROFESSIONAL EXPERIENCE

Confidential

Java Developer

Technology stack: Core Java, SpringBoot, GAIA cloud, Gemfire, Terracotta, Tomcat, Oracle, Cassandra, Spring, Hibernate, GWT, Subversion, Spring IOC, Spring AOP, IntelliJ, Jenkins, REST, Junit, JBehave, Selenium, GIT, Unix, Drools

Responsibilities:

• Integration of external application reference data Hub to source the asset information
• Configured load balancer between application components with mod Jk and Apache httpd server fronting and AJP protocol connectivity between Apache and tomcat servers
• Developed and deployed Springboot based micro services in GAIA cloud and configured dependency services
• Implemented SSL certificates and JKS keystores between internal and external applications developed automation shell scripts for creating deployment bundles in AIM Global File system
• Performed garbage collection tuning and updated settings for various memory intensive JVM components on physical servers
• Built solutions for the operations and production support team to effectively monitor, diagnose and generate data reconciliation reports from the system
• Migration of the source code repository from Subversion to Git
• Initial setup and automation of Continuous integration jobs,configurations, build release deployment scripts, acted as an SME for CI CD setup
• Preparing automation test cases using JBehave and selenium frameworks
• Migration of distributed caching systems from Terracotta to Pivotal Gemfire. setting up of high-availability Gemfire cluster topology with replicated data regions and addressing modified existing WAR files to deploy and run as Spring boot applications on Pivotal cloud foundry based internal private cloud GAIA
• Peer code reviewing and best coding practices
• Knowledge transition to other stakeholders in the project, providing critical support during the production deployments and normalization support post-production.
• Remediation of Cyber security vulnerabilities reported during the static code analysis test, Ethical Hacking Test, Black duck and Penetration Tests

Confidential

Technology stack: Core Java, tomcat, Sybase, Spring MVC, Servlets, JSP, MyBatis, extJS, JQuery, extJS, mybatis, Subversion, Spring IOC, Spring AOP, Eclipse, Jenkins, REST,JIRA, Junit, Mockito

Responsibilities:

• Requirement gathering from Business users/SME and preparing requirement document and technical design document
• Development & Coding of the application as per technical design document.
• Responsible for developing of heartbeat monitoring system of various external services to enable the ops team better diagnose the issues
• Involved in reviewing the tasks/code and providing directions to the development team.
• Debugging/analyzing issues whenever required and providing on-time solutions.
• Responsible for interaction with client deliverables progress.
• System Monitoring - Improving system performance and stability by identifying and proposing application optimization opportunities.
• Responsible for providing unit test cases and automation of unit test cases through continuous integration system
• Resolving Deployment and Installation related Issues arising at the Customer end.

Confidential

Responsibilities:

• Developed rich user interface functionality with dojo, JQuery, and JSON technologies
• Implemented functionality to generate excel reports using Apache POI API created back end Stored procedures
• Implemented persistence layer with hibernate mappings
• Provided pre-production and post-production normalization support
• Worked on performance improvements
• Worked on static code analysis fixes
• Worked on migration of build scripts from ANT to Maven.

Confidential

Technology stack: Core Java, WebServices, Jax-WS, WebSphere AppServer, Oracle, JMS, Struts, JDBC, Subversion, MyEclipse Blue IDE, Jenkins

Responsibilities:

• Developed user interface for the contract import functionality involving technologies like JSP and JQuery created and modified the applications using ANT build framework
• Implemented application authentication with BASIC authentication type using both tomcat server and Websphere application servers.
• Worked in resolving browser compatibility issues using the web debugging tools like firebug, IE developer tool kit worked in setting up and testing of static code analysis tools like Parasoft Jtest and jenkins continuous integration systems
• Prepared and verified various application knowledge database documents
• Provided ad-hoc and application normalization support during production launch

Confidential

Technology stack: Core Java, WebServices, Jax-WS, WebSphere AppServer, WebSphere MQ, Oracle, JMS, Struts, JDBC, AccuRev, IBM RSA, SoapUI, AIX

Responsibilities:

• Implemented and tested WebServices for the new ASAP 8BIN CPA enhancement
• Worked on Prototyping and development of new Screens and related server side functionality with customized struts framework
• Designed various UML diagrams using Rational Software architect
• Worked in resolving issues raised during WebSphere application server migration from WAS 6.1 to WAS 8.0

Confidential

Technology stack: Core Java, J2EE, WebSphere 6.1 Server, MQ Series, DB2, Parasoft Jtest, AIX, IBM RAD

Responsibilities:

• Worked on data processing module enhancements from the requirements understanding phase to the development and testing
• Corrected all severity issues reported after the Static code analysis for all the key modules
• Configured and Documented the most complicated data processing stand alone instance successfully to run in developer RAD Environment locally for debugging
• Worked in resolving interoperability issues with MQ issues
• Actively participated in all the Manufacturing Technology Learning Forum events and presented a session on the Java WebServices development

Confidential

Technology stack: Core Java, JMS, Ejb, WebServices, JSP, Struts,TopLink ORM, JBoss, Axis, oracle, Lexicon OpenRules, Exolab Castor, SOA, WebSphere MQ, Microsoft web technologies, Power Builder, Win XP, Linux

Responsibilities:

• Implemented and tested Xcelys SOA Services
• Created XSD files for Xcelys SOA services
• Written JUnit Test cases
• Updated the Ant Build Scripts and Defect Fixing in java code and in other areas
• Self trained on Lexicon OpenRules and written several Business Rules
• Implemented and automated Build process with CruiseControl Continuous Integration tool
• Proactively involved in architecture team activities and assisted Architects with Xcelys Product Bench marking using JMeter and SoapUI
• Assisted Architects with testing of WebSphere MQ configurations to JBoss server
• Assisted Architects with Transaction Sequencing for all SOA services in JBoss MQ and IBM WebSphere MQ Series
• Implemented 2-way SSL authentication between the MQ server and Xcelys client applications
• Involved in the evaluation of the OpenSource Java/J2EE tools and developing Proof-Of-Concepts
• Performed application Profiling using NetBeans IDE Profiler
• Developed validations in Java Scripts
• Provided critical support over interim patch and Major product releases
• Provided cross over training sessions to the Engineering team on the implemented product enhancements