SYSTEM ONLINE // LEAD SOFTWARE ENGINEER @ GLOBAL PAYMENTS

VIJAY SINGH RANA

15+ Years Architecting Enterprise .NET Ecosystems, Core Banking Microservices & High-Volume Payment Facilitation Platforms.

Based in Pune, India. Spearheading mission-critical payment gateway architectures at Global Payments Inc. (ProPay). Specialized in high-throughput RESTful APIs, .NET Core microservices, cloud-native deployments (AWS/Azure), and PCI-compliant transaction engines processing global card networks.

15+
Years Exp.
4
Major Card Rails
99.99%
Core Uptime
E2 / Top
Appraisal Tier
vijayrana.live@gmail.com +91-8699500665
Pune, Maharashtra
ID // VSR-ARCH-01 LEAD ENG
Vijay Singh Rana
VIJAY SINGH RANA
Global Payments Inc.
ROLE: Lead Software Eng.
DOMAIN: Core Banking / PayFac
STACK: .NET Core • C# • AWS
// CURRENT MISSION CRITICAL ARCHITECTURE (MAR 2024 – PRESENT)

Global Payments Inc. — ProPay Ecosystem

epay.propay.com

Engineering core payment facilitation (PayFac) and merchant acquiring solutions for ProPay (a Global Payments company). Designing resilient backend pipelines that empower Independent Software Vendors (ISVs), marketplaces, and enterprises to onboard sub-merchants seamlessly, process multi-rail card transactions, and handle automated settlement & split-funding at scale.

Integrated Global Card Acquiring & Clearing Rails:
VISA
Auth & Settlement
MASTERCARD
Clearing & Interchange
AMEX
OptBlue & UTF-8 Specs
DISCOVER
Global Network Rail

Payment Facilitation (PayFac)

Sub-merchant underwriting APIs, real-time KYC verification, dynamic split-funding, and automated clearing house (ACH) disbursement workflows.

PCI-DSS & Security Compliance

End-to-end cardholder data tokenization, ProtectPay® encryption, OWASP Top 10 remediation, SAST security auditing (Snyk), and zero-trust API gateways.

High-Throughput .NET Core

Distributed .NET Core microservices, Angular portals, fixed-width UTF-8 settlement file processors, and Test-Driven Development (TDD) on AWS & SQL Server.

// CHRONOLOGICAL LOG

15-Year Engineering Trajectory

Lead Software Engineer Mar 2024 – Present (2.8 Yrs)
Global Payments Inc. (ProPay) • Pune, India

Leading engineering squads for the ProPay core banking and payment facilitation platform. Architecting .NET Core microservices, Angular interfaces, and high-availability SQL databases to process Visa, MasterCard, American Express, and Discover transactions globally.

Senior Technical Lead Jul 2021 – Feb 2024 (2.8 Yrs)
HCL Technologies (Client: BMO Harris Bank)

Spearheaded the BMO Wealth API digital banking transformation. Engineered loosely coupled RESTful microservices using .NET Core, MVC Web API, Angular, and Oracle to transition wealth management workflows completely paperless. Awarded top Exceptional Performance rating.

Associate Process Manager Jun 2017 – Jul 2021 (4.2 Yrs)
eClerx Services Ltd. • Chandigarh, India

Held complete technical ownership for Cox Communications' Dispatch Support ecosystem. Architected scalable web applications, Aspect Dialer integrations, SignalR real-time telemetry, and cross-platform mobile apps for field technicians. Honored as Analyst of the Year 2018.

Team Leader & .NET Developer Aug 2011 – Jun 2017 (5.11 Yrs)
Kindlebit Solutions Pvt. Ltd. • Chandigarh, India

Rose from .NET Trainee to Team Leader. Delivered the mission-critical Swissphone Firefighter Response System (FFRS), Twilio Studio IVR telephony suites, and cloud-hosted enterprise solutions on Azure and AWS.

// CAPABILITY MATRIX

Technical Arsenal

01 // BACKEND & CORE

.NET Ecosystem

.NET Core 6/8 C# ASP.NET MVC RESTful Web API Microservices Entity Framework LINQ & ADO.NET SignalR / WCF / WPF
02 // CLOUD & DATA

Data & DevOps

AWS Services Microsoft Azure MS SQL Server Oracle DB MongoDB CI/CD Pipelines Git / GitHub / TFS
03 // FRONTEND & TELEPHONY

UI & Communications

Angular 13+ React JavaScript / jQuery Twilio API & Studio Aspect Dialer / VoIP Selenium & AHK
04 // FINTECH & SECURITY

Payment Engineering

PayFac Onboarding Card Acquiring Rails PCI-DSS Compliance OWASP Top 10 / Snyk TDD & nUnit Agile / Scrum Lead
// DEPLOYED SYSTEMS

Flagship Enterprise Projects

FINTECH // PAYFAC GLOBAL PAYMENTS

ProPay ePay & ProtectPay

Core payment facilitation platform enabling sub-merchant underwriting, multi-brand card clearing (Visa, MC, Amex, Discover), split settlement, and PCI-compliant token vaults.

.NET Core • Angular • C# • MS SQL • AWS • TDD
CORE BANKING // API BMO HARRIS BANK

BMO Wealth Microservices

Loosely coupled RESTful microservice architecture digitizing wealth management operations, eliminating manual paperwork, and accelerating agile release cycles.

.NET Core • MVC Web API • Oracle • Angular • CI/CD
TELECOM // AUTOMATION COX COMMUNICATIONS

Dispatch Support Suite

Enterprise KPO & field-technician platform featuring real-time SignalR chat portals, route optimization, Aspect Dialer automation, and iOS/Android mobile companion apps.

C# • SignalR • React • Aspect Dialer • Selenium
EMERGENCY TELEMETRY SWISSPHONE

Firefighter Response (FFRS)

Real-time emergency incident alerting platform providing live responder telemetry, automated SMS/voice dispatch, RFID tracking, and scheduling engines.

.NET Core • Azure • SignalR • Twilio • RFID
VOIP // TELEPHONY US ENTERPRISE

Twilio Studio IVR & Power Dialer

Inbound/outbound voice & SMS automation suite for real estate enterprises, featuring automated appointment routing and SIP trunking.

C# • MVC • Twilio Studio • SIP • SQL Server
HEALTH TECH // EU & AU NUTRITION COMPLETE

Nutrition Complete Portal

High-traffic consumer health platform across Australia and Europe offering interactive meal planners, caloric telemetry, and automated health reporting.

ASP.NET • C# • SQL Server • JavaScript • jQuery
// VERIFIED CREDENTIALS

Honors, Appraisals & Education

ECLERX // ANNUAL HONORS

Analyst of the Year (2018)

Recognized across the organization for spearheading the Aspect Dialer integration and iOS/Android mobile dispatch suite, generating substantial operational savings.

Analyst of the Year 2018
ARCHIVE_01 // CEREMONY CLICK TO EXPAND
HCL & ECLERX // EXCELLENCE

Top Tier Performance & Accolades

Awarded Exceptional Performance (E2) at HCL Technologies for North America Banking delivery, alongside multiple Spot & Annual awards at eClerx.

Performance Recognition
ARCHIVE_02 // CREDENTIALS CLICK TO EXPAND
ACADEMIC & CERTIFICATIONS

B.Tech — Computer Science

Punjab Technical University (PTU)
Full-Time Bachelor of Technology in Computer Science & Engineering (2007 – 2011 • First Division, 72%).

// VERIFIED MILESTONES
HCL Rating: Exceptional Performance
Analyst of the Year 2018 Winner
Spot Award — Cox Dispatch Scaling
15+ Yrs Enterprise SDLC Leadership