EXPERIENCE SUMMARY:

• 12+ Years of experience as a Software Engineer in analysis, design and development, implementation, documentation and maintenance support using Java, J2EE applications and UNIX Shell Scripting.
• Involved in complete SDLC - Requirement gathering, Analysis, Design, Development, Testing, Implementation, Production, Maintenance.
• Actively involved in developing SOA-based telecom Software Solutions using Sturts, Spring MVC and EJB framework.
• Experience working with 3rd party (JRebel), branding, presentation and finally execute JRebel in Confidential & Confidential Retail Sales and Development area as daily development IDE for large monolithic application to minimize the compile and build time.
• Experience in analysing business requirements, HLD & AD document and compose them into a release based technical use cases using UML and understanding documents.
• Functional experience includes Mobility, Retail and Customer Care & Billing applications.
• Strong software development experience in designing and developing middleware application including ETL process.
• Developed Confidential & Confidential Quick Quote tool by following ETL process which involved extensive AWK, UNIX Shell Scripting, Crontab, connect direct techniques and SQL/ PL-SQL.
• Experience in working in environments using Agile, Waterfall development methodologies.
• Experienced in comprehensive software solution for scaling agile with SAFe® to the enterprise using AgileCraft and proficient in using ClearQuest, JIRA.
• Developed application using Java WebServices for interacting Service layers and external system for data transfer by analyzing and creating the WSDL and XSD document.
• Responsible for Coding using Core Java, EJB, JDBC, AJAX, JSON, JNDI, JMS, JavaBeans, JSP, JSTL, Servlets, JQuery, HTML, CSS, DHTML, JAX-WS and JAX-RS.
• Developed the data structure of the Catalog XML generation with Java, XML, Dom4j which to be delivered to the external systems using batch jobs, FTP and connect direct.
• Managed application debugging and logging functionalities using Apache Log4j.
• Working knowledge of React js, Node js, Microservices, REST, Spring boot, Cloud computing in Confidential & Confidential IDP Platform with Hazelcast In-memory caching technique.
• Experience in working with Amazon Web Services like EC2, Amazon Simple DB, Amazon RDS on AWS Cloud platform and well versed in NoSQL database like MongoDB.
• Deployed the application in web and application servers (Tomcat, Weblogic & WebSphere) in both Development and QA environment on UNIX servers.
• Developed the application using Integrated Development environment STS, Eclipse, RAD
• Analyzed the specifications of multiple Proof of Concept provided by the clients and created/executed.
• Perform unit testing and prepare Unit Test Plan document.
• Create development package for IT/UP process using code review record and SONAR analysis document.
• Analyzed Java core dumps for JVM issues.
• Experience in using ANT, Maven for build automation.
• Experience in using version control and configuration management tools GIT, SVN & CVS
• Knowledge in Machine Learning and Data Analytics and Data visualization using R & Python
• Knowledge in Big Data Analytics on Hadoop, Hive for data extraction, NoSQL Databases, knowledge on Apache Kafka, Spark and KSQL.
• Excellent communication and interpersonal skills, fast learner of new technologies as per the need for project with proven ability to produce the highest quality results working under extremely tight deadlines and a very strong team player.

TECHNICAL SKILLS:

Operating Systems: Windows NT/2000/XP/Windows 7, UNIX

Language: C, C++, Groovy Scripting, Apache Ant Scripting, Core JAVA, EJB, RMI, JDBC, AJAX, JSON, JNDI, JMS, JavaBeans, JSP, JSTL, Servlets, JQuery, HTML, CSS, DHTML, JAX-WS, JAX-RS, SQL, UNIX-Shell Scripting, JavaScript, Struts, EJB, WebServices, XML, XSD, JAXB, WSDL, AWK scripting, React JS

Databases: Oracle, MS: Access, Sybase

Tools & Utilities: TOAD, RAD 7.5, WebLogic 10.3, EditPlus, MyEclipse, XML-Spy, Eclipse, SOAP UI, SQL Developer, CVS, SVN, ClearCase, Quality Center, JIRA, ClearQuest, Fiddler, Firebug, Developers Tool, Oxygen XML Editor, GIT, Visual Studio Code

Web/Application Server: Websphere, Weblogic, Tomcat

Case Tools: JIRA, AgileCraft, TDP

Domain Knowledge: Retail, Telecom

PROFESSIONAL EXPERIENCE:

Confidential

Technical Lead and Sr. Java Developer

Languages: Java, J2EE, JSP/Servlets, JSTL, React JS, Struts, Spring, Springboot, REST, WSDL, XSD, Unix Shell Scripting, Oracle SQL-PL/SQL, Log4j, XML, JavaScript, Ant Scripting, JNDI, jQuery UI, EJB and Java WebServices, HTML, CSS, AJAX, JSON, JMS, JavaBeans, Microservices

Database: Oracle

Tools: Eclipse, Spring Tool Suits, Microsoft Visual Studio Code, Editplus, WinSCP, SQL Developer, Weblogic, JIRA, SOAP UI, Tortoise SVN, Fiddler, postman

O/S: UNIX, Windows

Responsibilities:

• Actively involved in the Sales and Inventory development lead position and effectively involved in development, design and solution, resolve time-critical production issues in POS live payment solutions involving multiple tenders for Service Payments and Transactions including Confidential & Confidential NEXT program, Accessory Installment, Trade-In, EMV Card, Tokenize with CyberSource and FirstData for payment solution, Digital Life VAN Sale Solutions.
• Communicate with cross-functional stakeholders, external teams (includes Payment Solution, Trade-In), resource allocation, delivery plan, analysis for production performance, lead the development effort, resolve production complex and time-critical issues, risk analysis and defect management.
• Involved in developing SOA-based telecom Software Solutions using Struts, Spring and EJB framework and created microServices using Springboot on Confidential & Confidential IDP platform.
• Analyzing business requirements, HLD & AD document and compose them into a release based technical use cases using UML and understanding documents.
• Provide development task timeline and ETA of any upcoming development project/ proof of concepts to the client through thorough requirement analysis and work distribution between team members by coordinating onsite and offshore resources.
• Requirement analysis and creation of detailed design of the new business functionalities to be installed.
• Implemented optimization for build processes which reduced manual efforts which in turn contributed towards Optimization gain.
• Responsible for Coding using Core Java, EJB, RMI, JDBC, AJAX, JSON, JNDI, JMS, JavaBeans, JSP, JSTL, Servlets, JQuery, HTML, CSS, DHTML, JAX-WS and JAX-RS.
• Responsible for overseeing the Quality procedures related to the project.
• Coding for the various modules assigned as per the design document.
• Developed application using Java WebServices for interacting Service layers and external system for data transfer by analyzing the WSDL and XSD document.
• Created RESTful APIs for the client and also consumed for the third party application.
• Used UI using React JS and communicated with RESTful services for the data.
• Used jQuery UI for front page designing.
• Responsible for preparing the Unit Test Plan, Code Review document, Development Package document, Deployment Guide document.
• Took a major role in sharing the knowledge across the team and helped streamlining the processes, setting up protocols for various activities within the project.
• Worked on fortify changes for SPI/ PCA information and Cross Site Scripting issues.
• Create development package for IT/UP process using code review record and SONAR analysis document.
• Used Fiddler to debug HTTP / HTTPS request network troubleshooting, analysis, software, communications protocol development.
• Extensive use of Firebug and Developers tool for live debugging, editing, and monitoring of CSS, HTML, DOM and JavaScript during web development.
• Created and validated XSD and WSDL for java webservices project using XML-Spy, Oxygen XML Editor and Liquid XML Editor.
• Perform Regression testing on the deliverables.
• Investigated production issues, fix and monitored production logs.

Confidential

Senior Java Developer

Module: Development

Languages: Java, J2EE, JSP/Servlets, Struts, Hibernate, WSDL, XSD, Unix Shell Scripting, Oracle SQL-PL/SQL, Log4j, XML, Groovy Scripting, Ant Scripting, JNDI, jQuery UI

Database: Oracle

Tools: Eclipse, Weblogic 10.3, Toad, SOAP UI, XML-Spy, Apache Ant, Connect Direct

O/S: Windows 7, UNIX

Responsibilities:

• Created data structure and developed for the Catalog XML generation with Java which to be delivered to the external clients using batch jobs.
• Designed, Developed CPC-QQ architecture for Extract/Transform/Load (ETL) with extensive use of UNIX Shell scripting to automate the Confidential & Confidential Quick Quote application data feed.
• Coded the WebServices for Digital Life, towers, stores and device support centers catering to MTi application. Performed unit testing and code review for the same.
• Created batch for MTi batch processing for Digital Life eligibility with microcell count with the help of MapXtreme.
• Analyzed the Java core dumps.
• Coding for the various modules assigned as per the design document.
• Developed extensive client side validations scripts using Java Script.
• Used jQuery UI for front page designing.
• Used JAXB/DOM to process XML messages.
• Used Apache Ant 1.7.0 for build process as a part of software configuration management.
• Preparation of the Unit Test Plan, Code Review document, Development Package document, Deployment Guide document.
• Installation of the applications on development and QA servers.
• Created automated scripts for building on different QA/ Dev Servers.
• Preparing and reviewing Deliverables and Deployment of the applications.
• Maintenance of the Application and Created Regression testing tool and Stub Responder for defect fixing in efficient way.

Confidential

Developer/ Onsite Co-ordinator

Module: Development

Languages: Core Java, Struts, Hibernate, UNIX Shell Scripting, Oracle SQL/PL-SQL.

Database: Oracle, Sybase

Tools: RAD 7.5, WebSphere App Server, Toad

O/S: Windows, UNIX

Responsibilities:

• Provided production support, application development support and consultation to plan testing and fix defect and support the external test team during integration test, System test, end-to-end test and user acceptance testing.
• Prepared the project plan including the resource management, End to End coordination of the requirements starting from requirement gathering to development and then to Integration Testing.
• Managing releases and delivery with onsite and offshore team planning, co-ordination and communication.
• Managed documentation for all knowledge transition and co-ordination between Onshore and Offshore being the Onsite coordinator and client’s point of contact.
• Solely responsible for the maintenance of server health for development, test and production servers Confidential onsite.
• Main Interface between offshore delivery team and customer ( Confidential & Confidential ).
• Took leading role in sharing the knowledge across the team and helped streamlining the processes, setting up protocols for various activities within the project.

Confidential

Lead Developer

Languages: Core Java, Struts, Hibernate, UNIX Shell Scripting, Oracle SQL/PL-SQL

Database: Oracle

Tools: RAD 7.5, WebSphere App Server, Toad

O/S: Windows 7, UNIX

Responsibilities:

• Attended Knowledge Transition activities with direct client and Took major role for stabilizing the project for the releases.
• Took leading role in sharing the knowledge across the team and helped streamlining the processes, setting up protocols for various activities within the project.
• Requirement analysis and creation of detailed design of the new business functionalities to be installed.
• Perform the coding without any slippage of schedule and maintaining proper coding standard, proper formatting and documentation.
• Creation of several test cases and performing Unit Testing of the installed business functionalities to minimize the defect.
• Build and deployment of the code into DEV/TEST/PRODUCTION servers.
• Creation of DD, UTP docs for these, DP (Deployment Plan) docs maintaining Express One Standard and participation on the audit with QMG team.

Confidential

Production Support & Enhancement

Languages: Core Java, Struts, Hibernate, UNIX Shell Scripting, Oracle SQL/PL-SQL

Database: Oracle, Sybase

Tools: RAD 7.5, WebSphere App Server, Toad

O/S: Windows 7, UNIX

Responsibilities

• Attended Transition activities and Took major role for stabilizing the project and was leading the fallout team.
• As a lead, was responsible for direct co-ordination with client as well as Onsite co-ordinator, made optimization decision, worked with QMG group for CSAT analysis and successfully implemented that to achieve the CSAT rating.
• Prepared the project plan including the resource management and performance evaluation.
• Implemented optimization for some processes which reduced manual efforts for the entire project and there was Optimization gain in terms of saving dollars.
• Took a major role in sharing the knowledge across the team and helped streamlining the processes, setting up protocols for various activities within the project.
• System Requirement Document and creation of detailed design of the new business functionalities to be installed for the new web services.
• Designed and developed the scripts to automate the Batch production support system with UNIX scripting for the entire manual process and then implemented front end view for better monitoring the jobs running in the backend and report processing.
• For the entire team designed a tool using Servlet, JSP, JavaBeans, Struts on Weblogic Server and used Sybase as database which reduced a lot of dependencies on UNIX machine and the investigation is easy now by improving the process.
• Created a Simulator for testing of the entire RnM application which handles Synchronous as well as asynchronous requests.

Confidential

Developer

Module: Development

Languages: Java, JWS, XSD, WSDL, SQL

Database: Oracle

Tools: RAD, WebSphere App Server, Toad

O/S: Windows, UNIX

Responsibilities:

• Requirement analysis and creation of detailed design of the new business functionalities to be installed.
• Perform the coding without any slippage of schedule and maintaining proper coding standard, proper formatting and documentation.
• Creation of several test cases and performing Unit Testing of the installed business functionalities to minimize the defect.
• Build and deployment of the code into DEV/TEST/QA servers.
• Creation of DD, UTP, ITP and PR review docs for these, DP (Deployment Plan) docs maintaining Express One Standard and participation on the audit with QMG team.