Aug 2016 – Jul 2021 · 4 yrs 11 mos · Greater St. Louis Area

• Transaction Switching Network: Mastercard’s Core global authorization network containing 3,500+ customer servers, regional payment gateways, global data centers, APIs etc.
• Responsibilities:
• Requirement gathering and analysis, design documents, reviews, development, testing and deployment of application enhancements.
• Run the Business activities i.e. worked in ISO 8583 transaction authorization supporting Tier-0 and Tier-1 transaction processing applications built on high availability and various application related issues.
• Created different application dashboards using Splunk.

Nov 2013 – Jul 2016 · 2 yrs 8 mos · Pune Area, India

• SIA middleware application within CenturyLink is transactional based middleware architecture and connects SIA clients with host system which uses different gateways such as TIBCO BW, BUS interface, CORBA. I have assigned for the development and maintenance of the SIA application and have used C++, Java with UNIX/Linux operating system for feature development, oracle for database, and different tools such as TIBCO BW, BUS Interface, EA Maps, Caliber, and Dimension for version control.
• Role : Team Lead
• Responsibilities:
• Involved in all the phases of software development from the Gathering and Analysis of Business
• Requirements, Design(UML and Database), Coding, Unit and Integration Testing
• Prepare effort estimation for the activities based on the requirement and design document
• Review High Level and Low-Level Design Documents.
• Participated in code review.
• Involved in Jacada migration activity for SIA 1.0 and 2.0 major releases.
• Worked on the developing of the UI frameworks and visual studio for creating and modifying projects using MFC library.
• Experience on developing the features using MFC, Win32 interfaces.
• Conducted data modeling, performance, and integration testing.
• Troubleshoot the issues found in the application during the deployment in Prod Servers.
• Responsible for post-production support

Apr 2013 – Oct 2013 · 6 mos · Pune Area, India

• WEM (Web element manager) application executes FCAPS functionality. It interacts with the NE (network element). It performs various functionalities like fault management, Configuration management, account management, performance management and security management.
• Role Senior Developer
• Environment C, C++, Unix, Shell scripting, SNMP, CDETS, Oracle
• Responsibilities:
• Developed the FCAPS features to interpret network real time network repots.
• Developed Controllers, view and directives for the application.
• Prepare effort estimation for the activities based on the requirement and design document
• Participated in Design and Code Reviews.
• Deployed Services in Stage environment.
• Troubleshoot the issues found in the application during the deployment in Alpha, Beta and Prod
• Servers
• Prepared Impact Analysis Document.
• Recommended improvement and provided post production support.

May 2011 – Apr 2013 · 1 yr 11 mos · Bengaluru Area, India

• Mediation application supports, monitors, process the CDR from the switch and send the details further to LATIS for billing which actually creates invoices for the customer.
• Role Senior Software Engineer
• Environment C,C++, Java, Unix/Linux, Oracle, Shell scripting, Remedy, Dimension, Caliber
• Responsibilities:
• Development of Modules using C and UNIX environment.
• Oracle table analysis and modification in data whenever required
• Development of Daily Fraud system features which monitor, detect and protect against
• unauthorized usage or abuse on the Qwest worldwide network, across all products and services.
• Development of Automatic trunk installation system features which generates reports for the
• customer day wise, monthly etc. using C, shell scripting in UNIX environment.
• End to end development and unit, integration testing for modules like RADAR, LEC Billing and
• LATIS EDI.
• Has also been a primary resource for Radar, LEC billing and LATIS EDI projects nearly for a year in
• addition to above roles and responsibilities.
• Hands on experience in troubleshooting performance issues (optimization of queries, network
• traffic, Database configuration, indexes and partitions), data fixes, providing bug fixes to core
• application defects.
• Have provided Demo to the Users on the new functionality release.
• Recommended improvement, and provided guidance during the component testing process.

Jun 2008 – Apr 2011 · 2 yrs 10 mos · Bengaluru Area, India

• ACE convergent system for telecom rating and charging was responsible for Tariff Configuration and Subscriber Management which includes provisioning subscribers, management of subscriber credit in terms of bundles, interfacing with external billing systems, for retrieving or altering subscriber’s credit depending on subscriber subscription to operate network resource utilization.
• Role : IT Consultant
• Responsibilities:
• Requirement discussion and clarifications in use cases with Business Team.
• Strongly involved in designing and developing various modules such as Provisioning, SMSD,
• Rating and Notification Server.
• Backend -Worked on SQL queries and SQL stored procedures in Oracle.
• Involved in development execution plan reviews.
• Testing –Developed and executed test cases for classes.
• Creation of Test Cases for various flows.
• Troubleshoot the issues found in the application during the deployment in Prod Servers.
• Responsible for post-production support