SUMMARY:

• Extensive experience in Software products and services over many years.
• Involved in Full SDLC (Including Agile) - requirement, analysis, design, development, testing and implementation. Also, involved extensively in post implementation support activities.
• Worked on complex large-scale Banking & Financial solutions such as EFT, Payments Switch.
• Vast experience in Credit/Debit Card Acquiring and Issuing transaction processing domains and worked on leading card networks like VISA, MasterCard, FDR, prepaid(InComm, PaymenTech)
• Experience in ATM and Merchant POS Acquiring card processing transactions with Card networks.
• Extensive experience in HP NonStop platforms and experience in design/dev of Low Latency/High volume (TPS) Systems on HP NonStop/Unix platforms.
• Specializes in ISO8583 messages with experience in EFT products like BASE24(classic/eps), OmniPayments Product on HP- NonStop (Tandem)/Unix platforms and conversant in EMV.
• Experience in Security Key exchanges and PIN translation components for Card Payment networks.
• Worked for major clients: Confidential, Confidential, Confidential, Confidential, BCI Chile, Confidential etc.
• Strong functional, technical, analytical and problem solving skills. Excellent in providing various solutions to complex problems.
• Excellent in leadership, Communication, Client interaction and worked in Onsite/Offshore models.
• Worked in Agile based Software Development Life Cycles.

TECHNICAL SKILLS:

Technologies: C, C++, JAVA, SOAP Web services, REST, SQL, XML, JSON, ISO8583, Multithreading, STL, QT, TCPIP Socket Programming

Hardware/OS: HP NonStop/Tandem(Guardian/OSS), Unix (SUN/HP), Linux, HSM(Atalla, Thales)

HP NonStop/ Tandem: S-Series, Integrity Itanium and Blades, TACL, SQLMP, Pathway, Nowaited I/Os, Native Inspect/eInspect, Expand, SCF, EMS, FUP, TMF, Enform, Enscribe, Spoolcom, XPNET, Measure, iTP Webserver, GoldenGate-ci, BASE24, XPNET.

OLTP: BASE24(classic/eps), ATM/POS: EMV, VISA, MasterCard, STAR, FDR, FDMS, IPS

Databases: NonStop SQL MP, Oracle, Empress DB, MySQL, Enscribe.

Tools: /Utilities: GIThub, FastTest, ISO8583 simulators, VersaTest, SVN, JIRA, QC, GDB, Prognosis, Collis EMV test, Eclipse, STS, Splunk, Wireshark, SQL Developer, GoldenGate-ci

Domains Exp.: Banking & Financial, ATM/POS: Credit/Debit Card Payments, PCI, Merchant Retail

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Software Engineer/Lead

Responsibilities:

• Analysis of Requirement and new architecture requirements.
• Interacting with Client/BAs to understand requirements and prepare Tech. Specs.
• Analysis of C++ modules of SVT platform and prepare functional and technical specifications.
• Design and Development of Cashbox, TV2 and SVT server using C++, QT (UI).
• Develop and maintain existing C++ code and perform bug fixes.
• Prepare data mapping and transformation documents for new systems.
• Lead Development teams to build the new CUI app using Java and Angular.
• Provide Clarifications based on Legacy C++ code.
• Define changes for XML schema and JSON. Change DB APIs.
• Involved in WebApp JAVA integration with Cashbox.
• Interact with QA teams for Defect triage and defect fixes.

Confidential, Portland, Dallas

Sr. Software Engineer / Analyst

Responsibilities:

• Interacting with Client and understand the scope of the EMV migration on Elan and Retail ATM platforms.
• Review Requirements to assess Impact of EMV on the As-Is system.
• Prepare Technical requirements for EMV interaction and prepare design.
• Interact with Client, onsite/offshore team and vendors (Diebold, NCR) for Defect resolution.
• Worked on ATM devices: Diebold, NCR ATMs and Diebold ILTs (In-Lobby-Teller)
• Design and Development of BASE24 components customizations as per requirements.
• Analysis of Credit and Debit Card Dispute and Fraud processing in the CASPER app. Analysis of new Real Time VCR Services and its mapping with existing system.
• Prepare Technical specifications for Dispute and Fraud Case initiation/Processing.
• Lead and manage onsite/offshore team and report regular status to mgmt.
• Co-ordination for EMV Certification with Card Payment Networks like VISA/MasterCard etc.

Confidential, Chicago

Sr. Software Engineer

Responsibilities:

• Interacting with Client team and gather BASE24-eps migration requirements.
• Technical Analysis of As-Is and To-Be systems of Walgreen s Merchant acquiring BASE24-classic components (SPDH, Interfaces etc.) and the CSMs (Custom Software Modifications) done specific to Client s business needs.
• Prepare Technical Specifications based on the requirements.
• Involved in Design and Development of the interchange interfaces in BASE24-eps like MasterCard, VISA, Vantiv etc. using C++ OOP for specific Business Logic.
• Analysis of BASE24 components and analysis of the HP s evaluation reports for migration.
• Interaction with HP and ACI for BASE24-classic Blade system configuration.
• Using ACI desktop and NSK, Configuring BASE24-eps components
• Gather the Business requirements from Client to understand the scope of HP-NonStop Blade migration.
• Co-ordinate the Certification with Card Payment Networks and Prepaid Card networks.
• Performing Unit testing of the code and support & Troubleshoot SIT, UAT defects.
• Overall co-ordination with Client, onsite and offshore team and vendors.
• Work with infrastructure team to setup TCPIP connectivity with Card Networks
• Configuration and testing using VersaTest simulator.

Confidential

Sr. Software Engineer

Responsibilities:

• Interacting with Client and understand ATM and Debit Card Conversion.
• Interact with MasterCard and STAR network teams during Full SDLC duration.
• Analysis of BASE24-eps CSMs (C++) of existing system.
• Data Transformations between STAR ATM ISO, BASE24 HISO )
• Design and develop flow for ATM PIN (Single Msg) and Sign (Dual Msg) Transactions from IPS interface using C++/Unix.
• Interim ATM/POS PIN originated from STAR via IPS.
• Defining process flow of secure Key Exchange/Logon with STAR/ IPS interfaces.
• Analysis of TSS /HSM for PIN Verification, PIN Translation, Key Exchanges.
• Build and lead the development team at onsite and offshore.
• Unit Testing using Paragon FASTest simulator and Troubleshoot/fixing SIT/UAT defects.
• Analysis and validate Transaction from Batch (CHPF, DTDF etc.) and Real-Time log.

Confidential, San Francisco

Sr. Software Developer/Architect

Responsibilities:

• Interacting with Customer understand BASE24 requirements convert them into FSD.
• Analysis of BASE24 CSM (Custom Software Modifications) code and its migration
• Design and development using C++/HP NonStop of EFT infrastructure modules like Acquirer/Issuer Transaction processing,
• Acquiring Transactions: STAR ATM, Stores, Enterprise
• Issuing transactions: AMT/POS
• Card management/Network management flows.
• Check Deposit transaction sending to EWS.
• SAF, Secure Key exchanges, PIN encryptions, SOAP and business logic modules.
• Lead team and Prepare project plan and track deliverables as per plan.
• Design the new system using HP NonStop multi-threading Architecture to achieve maximum efficiency to process high volume of transactions (TPS).
• Worked on Card Payment Network Interfaces like VISA, VDPS, FDR, STAR, FDMS, PULSE, CIRRUS etc.
• Analysing ISO 8583 variants of Design of ISO 8583 parsers for Card networks
• Design and Develop ISO 8583 parsers for Card networks.
• Develop financial Transaction, Card management, Network Management messages.
• Build and configure TCIP/IP socket interfaces to replace XPNET for Card networks
• Perform Certifications with Card Networks.
• Design and development of SOAP (HTTPS/XML) interfaces to Confidential applications and orchestrate transactions to Visa-DPS over TCPIP and ISO8583.
• Build TCPIP interface to replace XPNET and configuration
• Work in HP labs for NonStop servers for Performance evaluation and improvement sessions.
• Develop Security Services like PIN Verify, PIN Translate, Key-Exchange using Atalla (HSM) etc.
• Lead onsite/offshore teams and prepare plan for deliverables.
• Involved in Certification with various Card Payment Networks like VISA, MasterCard, FDR etc.
• Support SIT / UAT and troubleshoot and fix the defects.
• Troubleshoot Production Issues and provide resolution within SLAs

Confidential

Sr. Software Engineer

Responsibilities:

• Analyse existing legacy system and native programs and understand message format.
• Design SOA based Architecture using SOAP XML for integration with Legacy system.
• Design and develop OmniDirector using C/C++ to provide SOA Framework.
• Build HTTP Parser on HP NonStop to parse SOAP XML message in C/C++.
• Onsite implementation at Client s data centre. Training to Client to build SOA services.
• Leading onsite and offshore teams.
• Production support and troubleshooting issues and providing fixes.

Confidential

Software Engineer

Responsibilities:

• Development of High Availability Router using HP NonStop Pathway.
• Development of Monitoring system which runs rules on the Entity States and executes Scenarios to take corrective action and reduce the application down time.
• Work with Architecture team to build efficient design of HAR
• Built Multithreading using HP NonStop architecture.
• Change the code for Itanium customizations and Recompilation of HAR on Itanium.
• Migration of application components to Itanium servers
• Co-ordinate with Client and Onsite implementation and Troubleshoot Production Issues

Confidential

Software Developer

Responsibilities:

• Developed Business Logic modules using C++ and COBRA middlewere.
• Developed Web interface Console using iTP Webserver in C/C++
• Involved in the testing the Security framework modules and console.
• Troubleshoot SIT/UAT/Production Issues and provide fixes.