Rohit Bhatnagar Email & Phone Number

Chesterfield, Mo, Us

Birmingham, Alabama, Us

Purchase, Ny, Us

Managing Cloud Transformation of Enterprise Applications. Providing guidance to adopt various Cloud services including data lake transitions and championing ML and AI driven infrastructure management options.Strong advocate of adopting robust development techniques leveraging modern Continuous Integration/Deployment (CI/CD) services for Mastercard as service owner. Managing application stacks for multiple programs/products running 700,000+ pipeline jobs for 700+ applications covering development, testing, and deployment to multiple release environments.• Providing architectural guidance for applications to adopt modern cloud computing techniques.• Developing solutions using multiple technology stacks (C/C++/C#/Java/Python/Groovy/NodeJS) including mobile app development using NET MAUI and Flutter.• Developed plugins/extensions/libraries ranging from security (MFA using SAML), Operational Metrics Collectors (measuring KPIs for platform including application performance) as well as enforcing templatized design patterns for faster development and wider-adoption.• Integrated Azure Kubernetes cluster with docker containers adhering to RBAC/PBAC based Namespace rules for multiple programs and application stacks.• Enhanced DevOps platform architecture resiliency to 99.97% availability from earlier 91.67% by implementing high availability architecture using JNLP and optimized Java/Groovy scripting.• Mentoring 10,000+ builder community with adopting best practices and leveraging best scalable design patterns for enterprise/cloud-based development/testing.• Developing PoC(s) for adoption of Microservices patterns using REST/GraphQL including migration to Data Lakes through various Cloud providers AWS/GCP/Azure, transforming Enterprise design and development techniques.• Managing engineering teams across multiple countries.

Purchase, Ny, Us

Managed and led software engineering teams for CORE switching platform servicing billion+ financial transactions daily at Mastercard for settlement, clearing and transaction processing platforms. Supported data analysis research and performance enhancements to multiple product lines - MI International (payment processing platform for Asia/Pacific region), Emirates Digital Wallet (digital cashless payment and money transfer solution), MDES (digital payment tokens for more secure payment experience) by working with teams located in 3 different regions.• Improved performance efficiency for Mastercard Debit Systems (MDS) running on HP Non-Stop systems by tuning the Crypto Service Platform (Pin validation) service to support 900+ TPS (transactions per sec) from 150 TPS by improving the efficiency of in-memory queues.• Pioneered performance led development efforts towards IBM Mainframe thread safe usage for CICS open TCB (Transaction Control Block) for Open Transaction Environment (OTE). Improving MIPS efficiency usage by 30% to support 6000+ transactions per second (growing 15% annually).• Developed performance engineering tools to simulate Mastercard transaction processing for end-to-end experience with Goldman Sachs (issuer), CoreCard (transaction processor) and Apple Card (Apple’s digital credit card). This effort helped to improve performance and launch Apple Card on-time supporting 600+ authorization transactions per sec and 200+ digital wallet provisions/sec.• Helped enhance and mentored performance engineers for Mastercard Integrated (MI) product offering in India market to fine tune entire platform achieving 500+ TPS per switch, helping Mastercard to migrate Indian banks from legacy issuing and acquiring platforms to new efficient and robust transaction processing platforms.

Purchase, Ny, Us

Responsible for working with product management and end-to-end design, development, and delivery of financial industry’s first biometric platform for payment services offered by MasterCard. Led a team of 30+ software engineers and managed a budget of ~10MM to build the target Identity check platform.• Integrated biometric authentication/verification for the first time within Mastercard, servicing mobile banking users via Mastercard’s SecureCode (used for 2-factor authentication).• Integrated BMO (Bank of Montreal) corporate credit card offering enabling cardholders verify transactions using facial recognition and fingerprint biometrics for online purchases.• Partnered with biometric vendor Daon and developed APIs to abstract vendor’s biometric implementation for future integration flexibility with other partners.• Led the team to adopt Scaled Agile Framework (SAFe) to jointly plan the deliverables in working with stakeholders following planned quarterly release using 14 days sprint cycles.

New York, New York, Us

Served in the Architecture leadership team for Citi’s Global Consumer Banking (GCB) and led KYC (Know your customer) re-platforming efforts and onboarding of Costco’s portfolio of cards (~94MM) and users to Citibank.• Researched and architected re-platforming efforts for KYC implementation of Global Consumer Banking cards (including GCB-managed branded and retail cards) for APAC and LATAM markets.• Helped manage creation and maintenance of Customer Master Record (CMR) with various credit card product processors totaling ~155+MM accounts (retail, branded and specialized).• Mentored and influenced developers and architects to design and implement KYC models to integrate CMR from global to regional financial centers.• Partnered and helped design onboarding of Costco 94+MM card members from AMEX to Citibank’s VISA offering.

New York, New York, Us

Responsible for design and development of biometric based single-sign-on capabilities for North America financial center applications. Led and mentored 10+ strong developers for end-to-end delivery and experience of biometric capabilities, positioning Citibank as an early adopter for biometric based authentications.• Pioneered and implemented biometric based Single-Sign-On authentication model integration with 90+ critical financial applications for 1000+ US Citibank, N.A. retail branch servicing 20,000+ agents.• Helped reduce new account opening time period from 120+ minutes to under 30 mins using efficient biometric based SSO techniques.• Integrated SSO security and servicing architecture with external partners like Travelex for foreign currency exchange as well as AAMVA (American Association of Motor Vehicle Administration) for securing Auto Secured Loans.• Advanced old cryptographic context from 3DES and Blowfish encryption techniques to more modern AES algorithms securing PCI/PII customer data. • Architected and implemented security controls for financial center agents' database (credentials, roles, authorizations) using AES for data at rest and TLS for data communication.

San Jose, California, Us

Responsible for development and enhancement of Sniffer and Distributed Sniffer Pro network protocol analyzer tools. Integrated and developed over 100+ networking protocol decodes (TCP/IP, IPSec, ATM, BGP, COPS, DLSw+, VOIP - H.323, SSL/TLS, 802.11b, etc.) and helped enhance primary framework (decode engine) for Sniffer product line.• Designed proper foundation (including processes, standards, tools, and communication mechanisms) for distributed network-based solutions for Sniffer Pro product. • Submitted multiple white papers to enhance and unify internal networking products, adopting componentized based architecture and removing dependency on vendor tools. • Helped synergize research in McAfee antivirus electronic Policy orchestrator (ePO) policies with Sniffer Pro’s network Policy orchestrator (nPO).• Worked with major clients (Microsoft) researching IPSec protocol decode for their Network Analyzer tool (NetMon). Implemented Common Open Policy Service (COPS) protocol used by insurance companies (All State Insurance and GEICO).• Represented Network Associates at Bell Labs, Colorado, researching video compression of HDTV broadcast and decoding VOIP (H.323) compression protocols.

Led a small team to successfully deliver a generic eCommerce platform using upcoming J2EE technologies, covering all aspects of project design, development, and deployment.• Designed and helped develop an eCommerce product eRetail supporting inventory and order return management from both user-experience (UX) to backend integration.• Developed and bridged middle layer with front-end for various portfolio of products with backend database like MS SQL Server.• Performance tuned web architecture supporting high-volume transactional model for eRetail product (web portal).• Developed and enhanced server communication libraries to handle multiple simultaneous requests and automated ‘disaster’ recovery

Developed and improved specifications for a reverse engineering case tool called X-Analysis, enhancing features from user-interface to the backend communication with AS/400 server.• Developed and enhanced data modeling capabilities - Data-Flow-Diagrams (DFD), Sequence-Flow (SF) and Data-Modeling-Diagrams (DMD) grouping 1000+ database objects for clients like Maruti Suzuki.

Mba, General Mba

B.S., Computer Engineering