Chander S. Email & Phone Number

Atlanta, Ga, Us

Denver, Co, Us

• Working as an Architect / Tech Lead to design/implement/test Micro Services for CWOW Orders using SpringBoot and Spring Cloud APIs.• Implemented CI/CD/CT pipeline for the microservices using Jenkins, Maven, Jacoco, SonarQube, Docker-Compose files, and given pipeline groovy script library.• Service orchestration in Docker Data Center and standalone docker setup using compose files.• Performs troubleshooting in docker containers in standalone docker containers and DDC environments.• Design and implement domain driven microservices which interacts with other services and query/persist data from/through multiple data stores (DB2, Elastic Search, IBM eXtreme Scale) .• Worked on creating pdf template and populating it with application data using iText library.• Created Spring Batch jobs to change status of orders when their start/end date reaches the current date.• Actively participate and contribute in Agile ceremony meetings like Backlog grooming, Sprint Planning, Sprint Demo and Retrospective.• Provide leadership through mentoring, directing and validating work of team members and creating common library/methods to create unit/integration test cases.

Bellevue, Wa, Us

• Worked as a Solution Architect to re-engineer monolith MetroPCS website into Micro Services architecture eco system.• Converted monolithic J2EE application to restful micro services architecture using spring cloud technologies.• Designed and developed a microservices framework using Spring Cloud and Dropwizard Metrics APIs that provides various capabilities like distributed tracing, monitoring, logging, centralized configuration management, easy service orchestration etc to the services implemented using it. • Implemented CI/CT by integrating Jacoco, Sonar, Spottify docker plugins into build process to generate, push the code coverage reports to SonarQube, push the docker images to JFrog Artifactory.• Created swagger Apis and developed microservices for getting and processing data from four different backend systems for MetroPCS website pages and deployed them into docker containers on AWS EC2 instances for local development.• Worked with Ops team to push microservices to Meso/marathon cloud. Service Orchestration using Eureka server for local development.• Worked on creating application for visualizing Sankey diagram for showing inter-service dependencies and using that for targeted regression testing for each release.• Refactored the angular App to make use of the new Microservices instead of calling the existing servlets.

Philadelphia, Pa, Us

• Designed and developed a highly available, fault tolerant, cloud native microservices based distributed system for processing the provisioned devices data and other back office updates; following the 12 factor app principles using Spring Cloud on Pivotal Cloud Foundry. • Integrated an external SOAP service by generating and using the client interfaces and Spring services module.• Designed and developed XNet Service (a RESTful service) as a Consumer service that retrieves the device, account information from Oracle database.• Configured maven profiles and Jenkins jobs to enable deployments to Pivotal Cloud Foundry PaaS environments.• Designed solution to integrate Spark and Kafka in the applications to read the events stream and store the events into the system.

Milwaukee, Wisconsin, Us

• Worked as an Application Architect and designed solutions in the policy module to support installment policies in the application.• Worked as Tech Lead and managed a small team in hybrid agile development mode.• Created High Level Design and Low Level Design documents for the product enhancement change requests (ECR’s).• Worked with Business Architect in collaboration sessions to capture business requirements in the form of Use Cases.• Provided leadership through mentoring, directing and validating work of team members.• Designed class and sequence diagrams for the enhancement requests using StartUML.• Designed and Developed web services using Spring, Hibernate and exposed the services to the client using Mule ESB.• Created new Session Beans, Entity beans and Message Driven Beans using EJB2.• Used XDoclet tags in the EJBs to automatically generate the interfaces and ejb descriptor files. • Implemented new Batch jobs using Spring framework and converted legacy jobs to Spring batch framework.• Used Hibernate for persistence and retrieval of Data from database.• Used JDBC/SQL for retrieving data from multiple tables with complex selection criteria.• Fine tuned the performance of application by improving SQL queries, adding appropriate indexes and removing unnecessary calls by implementing Ehcache. • Used JMS to place the requests in Queues and Topics for asynchronous processing.• Designed and Developed Drools for business rules validation.• Worked with Annotations and Generic features of JDK 1.6.• Used ANT scripts for building and deploying the application to JBOSS Server.• Used Clear Case for version Controlling and Clear Quest for defect tracking.• Used SoapUI for unit, integration and functional testing of the Web Services. • Used JUnit for unit and integration testing of the application.• Created sample input files for batch jobs using Pentaho ETL tool Kettle.

Milwaukee, Wisconsin, Us

• Worked as Sr. Programmer Analyst and managed a small team of developers and testers in agile development mode using Digite.• Participated in Sprint planning and Agile Scrum meetings on daily basis.• Created High Level Design and Low Level Design documents for the product enhancement change requests (ECR’s).• Worked with Business Architect in collaboration sessions to capture business requirements in the form of Use Cases.• Provided leadership through mentoring, directing and validating work of team members.• Used SmartBear Code Collaborator for peer code reviews.• Designed class and sequence diagrams for the enhancement requests using StartUML.• Implemented some of the services in the service layer using Session Beans (Stateless).• Used Hibernate for persistence and retrieval of Data from database.• Used JDBC/SQL for retrieving data from multiple tables with complex selection criteria.• Used JMS to place the requests in Queues and Topics for asynchronous processing.• Used Eclipse to develop J2EE Architecture.• Used ANT scripts for building and deploying the application to WebSphere App Server.• Used Clear Case for version Controlling and Clear Quest for defect tracking.• Used JUnit for unit and integration testing of the application.• Upgraded GWCC code stream to latest base product release by merging codes using Clear Case Merge Tool.• Provided production support by providing emergency bug fixes and data fixes.

Moorpark, Ca, Us

• Worked as Sr. Programming Analyst on the Acumen product development.• Participated in Sprint planning and Agile Scrum meeting on daily basis.• Created Low Level Design documents for the user stories in customer and account module.• Provided leadership through mentoring, directing and validating work of team members.• Used ClearQuest compare tool for peer code reviews.• Designed class and sequence diagrams for the enhancement requests using StartUML.• Implemented some of the services in the service layer using Session Beans (Stateless).• Used Spring framework for wiring dependencies of classes used Spring AOP for implementing boilerplate code.• Used Hibernate for persistence and retrieval of Data from database.• Used JDBC/SQL for retrieving data from multiple tables with complex selection criteria.• Used JMS to place the requests in Queues and Topics for asynchronous processing.• Used Eclipse to develop J2EE Architecture.• Used ANT scripts for building and deploying the application to GlassFish App Server.• Used Clear Case for version Controlling and Clear Quest for defect tracking.• Used JAXB and XML for writing automated regression test cases using Fiserv’s test automation framework (TAF).

Denver, Co, Us

• Worked as Senior Programmer Analyst in hybrid agile development mode.• Created High Level Design and Low Level Design documents for the product enhancement change requests (ECR’s) such as policy endorsement process, stop payment sub-category level etc.• Worked with Business Architect in collaboration sessions to capture business requirements in the form of Use Cases.• Designed class and sequence diagrams for the enhancement requests using StartUML.• Created new Service Beans, Entity beans and Message Driven Beans using EJB2.• Used XDoclet tags in the EJBs to automatically generate the interfaces and ejb descriptor files. • Used Hibernate for persistence and retrieval of Data from database.• Used JDBC/SQL for retrieving data from multiple tables with complex selection criteria.• Used JMS to place the requests in Queues and Topics for generating work items and documents asynchronously.• Worked with Annotations and Generic features of JDK 1.6.• Used ANT scripts for building and deploying the application to JBOSS Server.• Used Clear Case for version Controlling and Clear Quest for defect tracking.• Upgraded BrickStreet custom codeline to latest base product release by merging base release using Clear Case Merge Tool.• Worked on integrating Content Management System by adding links with custom URL and parameters in Claim system to their CMS system.• Worked on consuming a CMS webservice from Bill Transfer screen using CXF.• Used JMS to configure new queue in JBoss and placed the bill transferred message on it.• Design and developed new SOAP webservices using CXF to dispatch external JMS events in the application and to retrieve the claim data.• Upgraded the java version from 1.5 to JDK 1.6. Refactored the documents module that is using JAXB due to changes to JAXB APIs in java 1.6• Upgraded JBoss from 4.0 to JBoss 5.0. Configured the queues and topics in the JBoss configuration xml files.

Milwaukee, Wisconsin, Us

• Worked on enhancements in PolicyStar for AFR and PRC clients.• Designed class and sequence diagrams for the enhancement requests using Rational Rose.• Updated Session beans and helper classes for implementing the enhancements in core product.• Updated the Swings UI classes to change the UI design for the enhancements in core product.• Designed and developed enhancements in the Sysadmin application using Struts, Hibernate and JSP.• Used JDBC/SQL for retrieving data from multiple tables with complex selection criteria.• Used WebSphere Studio Application Developer (WSAD) to implement java classes.• Worked with Annotations and Generic features of JDK 1.5.• Used CVS for version Controlling and bugzilla for bug tracking.• Used WSAD patch mechanism for peer code reviews.• Used JUnit for unit and integration testing of the application. • Provided production support to clients by fixing critical and urgent bugs.

In

• Designed and developed the multi part, multi vendor part in a single order wizard.• Created new JSP files and new Action classes using Struts framework.• Used Javascript for implementing client side validations.• Used AJAX for updating particular portion of screen instead of loading the whole screen. • Used MVC design pattern to design the new enhancements creating controller and model classes.• Designed and developed enhancements in the Sysadmin application using Struts, Hibernate and JSP.• Used Hibernate for persistence and retrieval of Data from database.• Used SQL queries in Hibernate for retrieving data from multiple tables with complex selection criteria.• Used Eclipse to implement java classes and JSPs.• Worked with Annotations and Generic features of JDK 1.5.• Used CVS for version Controlling and bugzilla for bug tracking.• Used ANT scripts for building and deploying the application to Apache Tomcat Server.• Used JUnit for unit and integration testing of the application. • Provided production support by fixing critical and urgent bugs.

Hyderabad, Andhra Pradesh, In

• Worked with client in collaboration sessions to capture business requirements in the form of Use Cases.• Used Rational Rose to prepare activity diagrams, collaboration diagrams, and sequence diagrams for the requirements.• Designed the data model and architecture of the application as class diagrams.• Created new JSP files and new Action classes using Struts framework.• Used Javascript for implementing client side validations.• Used MVC design pattern as the architecture of the application.• Used Session Beans (Stateless) as the session façade of the application.• Used Hibernate for persistence and retrieval of Data from database.• Used JDBC/SQL queries for retrieving data from multiple tables with complex selection criteria.• Used Eclipse to implement java classes and JSPs.• Worked with Annotations and Generic features of JDK 1.5.• Used CVS for version Controlling and bugzilla for bug tracking.• Used ANT scripts for building and deploying the application to Oracle App Server.• Used JUnit for unit and integration testing of the application.

Bachelor Of Technology (Btech), Computer Engg.

Advance Diploma In Software Technologies., Computer Software Engineering