Chithara Achyuta

Experience

• 

  Cognizant

  Aug 2006 - Apr 2014

  • Offshore Tech-lead: manages the offshore team, Provided 24x7 on call support in production environment on rotation basis and increased effectiveness through resolving issues. • Maintained the Production and Test systems. Monitored production system alerts and provided triage support for priority one and two system outage.• Worked on bug fixing and enhancements which come in as OTW – immediate requirement for the client.• Implemented and supported Spring Batch jobs for updating the system with the data from the external vendors and for reporting system available within Speedpass. Perform job abend/failure diagnosis and resolution to deliver a regular production cycle without delay. Show less • Module-lead: manage the activities related to Customer Care module of the application, • Analysed the requirements to define business process and workflow for each of the Use cases, developed UML Use-Case diagrams, Sequence and Collaboration diagrams, class diagrams.• Actively interacted and supported the UI web design team for creating UI design.• Created POC for migrating legacy application's (ASP) component to Java based application using latest frameworks to prove the improvement of application performance and usability.• Designed and developed UI screens with ICEfaces and JSF to provide interactive screens to display data.• Extensively used Spring IOC handling the configurations with annotaions. • Used Spring MVC framework concept for the business level and DAO level implementation of the various modules. Designed and integrated the full scale Spring and Hibernate Persistence Solution with the application architecture. Show less • Onsite coordinator – coordinating and delegating the development activities with the offshore team; coordinated the technical activities with onshore peers.• Involved in the fusion workshops with the clients during requirement analysis phase.• Involved in the high level and low level designing of the requirement and prepared activity diagrams, sequence diagrams and class diagrams from various use cases using Rational Application Developer(RAD) and visio.• Performed project builds in integrations, QA environments. Developed Ant script and shell scripts for building the project using Harvest version control tool.• Production support – responsible for monitoring the system activities during market hours.• In case of issue or connection drop between systems, would set up conference calls within 5 minutes to engage respective team to coordinate action plan and bring up the application.• Developed custom utility application to automate the monitoring process and execute the necessary DB scripts automatically based on the real time data using complex joins, temporary tables and hierarchical queries.• Maintained the Production and Test systems, monitored production system alerts and provided triage support for priority one and two system outage.• Boosted efficiency by scheduling jobs for automated tasks and notification of failures and alerts through email. Show less • Involved in the high level and low level designing of the requirement and prepared activity diagrams, sequence diagrams and class diagrams from various use cases using Rational Application Developer(RAD) and visio.• Contributed to project by working on end to end flow - developing JSP's, Servlet, business service class and to database front by writing various SQL queries and Stored Procedures in SQL and DB2 database.• Developed supporting JAVA classes that controlled the whole flow of the module as per specifications.• Developed MDBs using JMS to exchange messages between application and the mainframe system.• Involved in Unit Testing, System Testing, Integration Testing, User Acceptance Testing, User confirmation Testing. Coordinated with testing team to all release activities.• Designed and developed SQL scripts for creation of tables in DB2 for different modules. Coordinated the execution of those scripts in higher environment by creating incident report against the SQL team. Show less • Acted as technical onsite coordinator and involved in high level design preparation with the stakeholders.• Interacted with business analyst for developing business requirement using use case and sequence diagram of the application using visio and RAD.• Identified and fixed pre-existing concurrency and cursor issues related to database and application. • Setting up test environments and configuring various components of the application using JDBC API to establish a connection with DB2 database and sysbase database.• Involved in deploying the application in Web Sphere server and involved in fixing the production issues; provided 24/7 production support on rotation basis and increased effectiveness through resolving issues.• Involved in Unit Testing, System Testing, Integration Testing, User Acceptance Testing, User confirmation Testing. Coordinated with testing team to all release activities. Executed performance testing with the scripts available using Load Runner.• Designed and developed SQL scripts for creation of tables in SQL for different modules. Coordinated the execution of those scripts in higher environment by creating incident report against the SQL team. Show less • Understanding business requirement by interacting with users and created architectural designs to the senior management for Legacy Conversion project.• Design and Implement various screens for intranet based application with single sign-on using Spring Acegi Security framework which reduces the most of high level security vulnerabilities available in most of the applications.• Created a new deamon thread which reads the scanned images and creates case ids for the customer care representative and assign those cases appropriately to them based on their authorization.• Written hierarchical queries, stored procedures, triggers, and cursors using DB2 SQL.• Involved in various SDLC phases of the application till production turn over and involved in deploying the application to Web sphere application server.• Created JUNIT test case and prepared test plan for the team and was responsible for delivering the product with high quality.• Supported deployment of the application to Integration and QA environment using All Fusion Harvest Change Manager as Version control.• Apart from project, migrated the overall poorly performing and outdated connection pooling architecture using flat files to Web sphere’s connection pooling for MQ Series using JNDI and JMS for Bank of New York Mellon.• Created POC of struts application using required action class and frontend struts tiles.• Worked heavily with the Struts tags- used struts as the front controller to the web application.• Designing and developing multi threading daemon batch process using Java to integrate various sub systems using SQL Queries, Stored Procedures for interacting with DB2 database and Java Messaging Services for interacting with IBM MQ Series to cater this transaction.• Fine tuning SQL statements and fixing memory leaks, transactional issues while writing daemon batch process. 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  • Senior Associate

    Jul 2013 - Apr 2014

  • Associate

    Jun 2011 - Jul 2013

  • Associate

    Feb 2010 - May 2011

  • Associates - Projects: Team lead focus

    Jun 2009 - Jan 2010

  • Programmer Analyst

    Jan 2009 - May 2009

  • Programmer Analyst

    Aug 2006 - Dec 2008
• 

  ANZ

  Oct 2016 - now

  Java Developer

  • Prepared detailed designs and technical specification in collaboration with Designers.• Participated in designing and development of software using agile development practices.• Resolved all technical and application related issues by research and proper resolution.• Implemented infrastructure automation using Puppet and uDeploy.Specialties: Agile/Scrum, Test-driven, Cucumber, JAVA, J2EE, Spring, JWT, Gradle, uDeploy, OSGI, Weblogic, Bamboo, Puppet, SourceTree, Oracle Access Manager. Show less