Mandar Khatavkar Email and Phone Number

Projects Undertaken:1. POS Acquiring & Switch integrations Integration of POS devices with acquiring switches via payment aggregator middleware to process card transaction authorization2. Pine Acquiring – Multi acquiring inhouse switch Inhouse multi-acquirer end to end acquiring switch ecosystem to integrate directly with card schemes for transaction authorization, clearing and settlement3. DCC (Dynamic Currency Conversion) Transaction Processing on Aggregator rails Processing non-INR currency card transactions by doing dynamic currency conversion in merchant local currency and doing merchant settlement in its local currency4. Centralized Card Scheme BIN repository Collating card BINs from all card schemes at centralized BIN repository which can be accessed with APIs by all internal applications for performing various BIN based and card-product based decisions making and calculations5. Amex OptBlue integration with acquiring switches for processing Amex card transactions Processing Amex card transactions via acquiring switches to increase Amex card acceptance on existing merchant base of acquiring banksExternal Connects:Direct client interaction for requirement understanding, managing card scheme (Visa, Mastercard, Rupay, Amex) relationship, project status updates to clients and management, product functional presentations, vendor analysis for their offered products/services.Within Org:New requirement BRD analysis, writing PRD, designing work flows, writing user stories, define acceptance criteria, story grooming with development team, defining success matrix and tracking product success, product KT and handover with SOP and relevant documents to operations and support teams, functional changes in existing products for better performance and user experience.

Projects Undertaken:1. POS Acquirer Integration Develop and integrate POS device with acquiring switch by translating POS incoming transaction into acquirer specific ISO message format and vice versaTechnologies: Core Java, Postman, ISO-8583 Standards, Lego FrameworkRole: Lead Developer, Integration Testing, Terminal L3 certification with card schemes2. ATM Device Driving Implementation of various customizations with respect to ATM download, supporting new transaction types and production bug fixingTechnologies: Core Java, Oracle PL-SQL, NCR Authentic SwitchRole: Lead Developer, Unit testing, Production bug fixingPost-implementation application maintenance and enhancement support to the client with regard to the software applicationInterfaced with clients for gathering business needs, analyzed & reviewed business, functional and high-level technical requirements and finalized technical/ functional specifications for the project. Rendered post-implementation, application maintenance & support to the client with regard to the product/ software application. Cooperated & communicated with other team members for efficient management work.

Client RelianceProduct - Jio Money prepaid wallet.Jio Money is a prepaid wallet application where MAS is used as an accounting application for doingmerchant settlements into bank accountsTechnologies: C++, Oracle PL-SQL, Perl and Shell Script, UNIXRole: Scrum SPOC from FIS, Developer, Unit testing, Production bug fixingReward:o Rare - Pat on Back Award for superlative customer satisfaction by Reliance

Project Undertaken:1. Customizations and production support on EFT acquiring and issuing switch for Indian and Global Banks A electronic fund transfer switch is an integrated application system with the ability to accept, authorize and securely route financial transactions as per defined rulesTechnologies: Pro*C, C, C++, Unix, Oracle, PL-SQL, Postman, HSM, Key Management, ISO-8583, HPDH Protocols Simulators: Finsim, VTS, MAS, MDFSRole: Developer, bug fixing, unit testing, production support, implementation of card scheme bi-annual mandates,Highlights : Mentor juniors and switch training starting from basic payments concepts till end to end transactions processing, technical documents review, new customization deliveries, production deployment, production issue analysis, client weekly calls for status updates.

Projects Undertaken:1. Customizations and production support on EFT acquiring and issuing switch A electronic fund transfer switch is an integrated application system with the ability to accept, authorize and securely route financial transactions as per defined rules.Technologies: Pro*C, C, C++, Unix, Oracle, PL-SQL, Postman, HSM, Key Management, ISO-8583, HPDH ProtocolsSimulators: Finsim, VTS, MAS, MDFSRole: Developer, bug fixing, unit testing, production support, implementation of card scheme bi-annual mandates.2. Onsite Project – Implementation & Certification of Mastercard (CIS) and Visa (BASEI) interfaces Migrate Visa and Mastercard processing interface of Mastercard (CIS) and Visa (Base I) into clients licensing environment and do debit, credit, prepaid issuing certificationsTechnologies: Unix, Oracle, PL-SQL, Postman, HSM, Key Management, ISO-8583 Certifications: Visa and Mastercard Issuing (Debit, Credit, Prepaid)Simulators: VTS, MAS, MDFSRole: Solo onsite implementor, client interaction, bridge between client and offshore team, issuing host certification for debit, credit and prepaid cardsKey Result Areas:Interfacing with clients for gathering business needs, analyzing & reviewing business, functional and high-level technical requirements and finalizing technical/ functional specifications for the project.Employing the best practices for coding and architecture; ensuring high quality development of internal and external applications; Conducting scrum calls and updating on sprint statusPost-implementation, application maintenance and enhancement support to the client Acknowledged with:o Heart Award for customer appreciation (IndusInd Bank) for quick production issue resolutiono Heart Award for being a team representative for system architectural change and set-up

C on Linux, net-snmp-5.4.2.1, MIB2C utility, MIB browser and compiler •Development of MIB•Implementing functionality with net-snmp and mib2c utility•Testing the functionalityFax Send and Receive with AT commands on C

Project : Incif Online University PortalRole : Trainee Engineer• Database SQL Query Handling• All database and release management on production server• Implementing new functionality as per requirement• Testing• Tackling the queries of clients and resolving them• Client Interaction