Full-Time

Principal .NET Software Engineer-Cloud Payments Platform

Versapay

Versapay

201-500 employees

Automates B2B accounts receivable processes

Compensation Overview

CA$160k - CA$190k/yr

Remote in Canada

Remote

Category
Software Engineering (1)
Required Skills
Microsoft Azure
Github Actions
SQL
Docker
.NET
C#
AWS
Cryptography
Observability
ISO 20022
REST APIs
Requirements
  • Significant experience (typically 10+ years) of professional engineering with expert proficiency in C#, .NET, and SQL.
  • Deep experience in payments: online payments, EMV device-based transactions, digital wallets (e.g., Apple Pay, Google Pay), PayFac/orchestration flows, bank account rails (ACH/EFT), and international/multi-currency payment flows.
  • Proven ability to modernize production financial systems into cloud-native, distributed architectures
  • Familiarity with monitoring and observing distributed systems using modern observability tooling
  • Proven ability to work cross-functionally with Product, Security, Compliance, and Operations, and to represent engineering effectively to non-technical stakeholders
  • Experience using AI-assisted development tools to enhance productivity and code quality
  • Deep hands-on experience with several of the following: ISO 8583 transaction messaging; ISO 20022 data models and payment messaging; DUKPT key-management and secure device cryptography; Hardware Security Modules (HSMs) and secure key lifecycle; EMV payment kernels and card/device authentication flows
  • Strong knowledge of: Modern API and integration design (RESTful services), asynchronous messaging/queueing, caching, event-driven architecture, high-availability patterns; AWS or Azure, containerization, orchestration, and CI/CD automation; PCI-DSS, encryption, tokenization, key-rotation, and secure coding principles
Responsibilities
  • Own and evolve core payment services for online (CNP), device-based EMV (CP), digital wallets (e.g., Apple Pay, Google Pay), and payment facilitator/orchestration flows.
  • Modernize and improve existing components into more cloud-native, distributed architectures using containers on AWS/Azure.
  • Own and extend end-to-end payment workflows: authorization, capture, void, refund, tokenization, clearing, funding, settlement, and multi-source reconciliation.
  • Expand capabilities for international payments, including multi-currency and cross-border flows.
  • Integrate with payment service providers (PSPs), EMV card readers, and device SDKs using secure, standards-based messaging.
  • Improve and maintain CI/CD pipelines in GitHub Actions (automated builds, tests, security scans, packaging, deployments).
  • Design and evolve test automation strategy, covering domain-level logic, API contracts, and integration with external processors and devices.
  • Strengthen platform reliability through observability (metrics, logs, traces), fault-tolerant design, and automated operational workflows.
  • Partner with Product, Security, Compliance, and Operations to deliver features that balance customer experience, regulatory requirements, risk, and operational robustness.
  • Mentor engineers, lead design and architecture discussions, and influence the long-term strategy for the payments platform.
Desired Qualifications
  • Experience with multi-region cloud architecture and distributed data patterns
  • Experience with modern UX/front-end development (e.g., JavaScript/TypeScript)

VersaPay automates accounts receivable for businesses using its ARC platform to streamline invoicing, payments, and customer communication through a self-service portal. Clients subscribe to ARC, invoices appear in the portal, customers pick payment methods, and payments are processed with data centralized for the business. The platform emphasizes a configurable, customer-focused experience and combines subscription fees with possible transaction charges to serve a wide range of B2B clients from small firms to large enterprises. The goal is to help businesses automate AR workflows, improve cash flow, and boost customer satisfaction and retention with a secure, easy-to-use solution.

Company Size

201-500

Company Stage

IPO

Headquarters

Toronto, Canada

Founded

2006

Simplify Jobs

Simplify's Take

What believers are saying

  • Payments network grew 5X to 5 million businesses since 18 months ago.
  • Emily Roccheggiani appointed CSO drives sales in core verticals.
  • DadeSystems acquisition in 2022 boosted AI and mid-market expansion.

What critics are saying

  • Highflyer erodes mid-market share with cheaper QuickBooks integration.
  • Billtrust's PayStand acquisition outpaces Versapay in real-time payments.
  • NCR Voyix ends partnership, slashing 15% payment volume immediately.

What makes Versapay unique

  • ARC platform offers customer-centric self-service portal for AR collaboration.
  • Integrates with ERPs for automated cash application and real-time insights.
  • Targets trucking, logistics, and real estate with B2B payment automation.

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Benefits

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Company News

PR Newswire
Jan 26th, 2026
Versapay appoints Emily Roccheggiani as chief sales officer to drive commercial growth

Versapay, an accounts receivable platform, has appointed Emily Roccheggiani as chief sales officer to lead its commercial growth strategy. Roccheggiani brings extensive fintech experience, having spent over eight years at Adyen where she joined as the sixth member of the North American sales team during its global expansion. Most recently, she served as chief revenue officer at Forma, building go-to-market teams in the employee benefits sector. At Versapay, she will drive expansion across core verticals, deepen strategic partnerships and scale the sales organisation. Versapay serves 10,000 customers and processes over $260 billion in payment volume annually across 5 million companies. The company is capitalising on growing demand for real-time payments and automation in business-to-business commerce.

PYMNTS
May 15th, 2025
From Friction To Flow: Ar Automation In 2025

01 Paper checks and manual data entry are still common elements of accounts receivable. 02 Manual processes’ delays, errors and uncertainties have a direct impact on revenue. 03 By automating AR processes, businesses can improve the timeliness of payment receipt while reducing costs and manual frictions. 04 PYMNTS Intelligence interviews Carey O’Connor Kolaja, CEO of Versapay, on why digitizing and automating payments is no longer just a nice-to-have for companies in 2025.At the core of every business, accounts receivable (AR) serves as a critical driver of growth by converting sales into cash flow. Although digital and automated transformation is ongoing, many companies are still relying on slow, manual processes to manage this essential function. These manual workflows require human input at every step — from generating invoices to collecting payments — making them prone to inefficiencies and errors

FF News
Apr 23rd, 2025
Versapay Names Elizabeth Bramlage as Chief Marketing Officer

Versapay, a leading Accounts Receivable (AR) Platform, has appointed Elizabeth Bramlage as Chief Marketing Officer.

PR Newswire
Apr 23rd, 2025
Versapay Names Elizabeth Bramlage As Chief Marketing Officer

Experienced fintech and payments leader to drive brand growth and market expansionATLANTA, April 23, 2025 /PRNewswire/ -- Versapay, a leading Accounts Receivable (AR) Platform, has appointed Elizabeth Bramlage as Chief Marketing Officer. Recognized for her proficiency in driving creative initiatives that deliver business growth, Elizabeth will oversee all aspects of marketing across the customer journey as the company broadens its market presence

PYMNTS
Oct 15th, 2024
Cutting The Checks: Boosting Commercial Payment Speed And Security With Virtual Cards

01 Corporate and commercial payment delays can tie up working capital, inhibit growth and exacerbate inefficiencies. Virtual cards offer a modern solution that minimizes cash flow volatility. 02 Traditional payment methods are increasingly susceptible to fraud, potentially leading to financial loss and reputational damage. By contrast, virtual cards offer built-in, digital safeguards against fraud. 03 Optimizing cash flow and minimizing operational friction are critical to maintaining long-term B2B relationships. Virtual cards check all the boxes for companies looking to streamline operations while increasing customer and supplier satisfaction