We are seeking a Senior Software Engineer with Sage Intacct integration experience and strong .NET backend development expertise. This role focuses on supporting and evolving our embedded Sage Intacct integration platform, with emphasis on invoicing, payments, order management, reconciliation, and accounting workflows. You will partner with product and business stakeholders to translate accounting and operational needs into reliable, secure integration solutions. Modern frontend experience, including React, is a plus.
What You'll Do
- Design, build, and maintain integrations between our platform and Sage Intacct for invoicing, payments, order management, reconciliation, and accounting workflows.
- Develop backend services and APIs in C# and .NET to support integration workflows, retries, error handling, and idempotent processing.
- Own end to end delivery, including design, implementation, testing, release collaboration, and production support.
- Partner with product, engineering, and finance stakeholders to translate business and accounting requirements into scalable technical solutions.
- Build secure, maintainable data flows across internal and external systems.
- improve reliability through observability, alerting, and strong operational practices
- Contribute to cloud architecture and deployment patterns in Azure or AWS.
What You'll Bring to the Team:
7+ years of experience building backend services and applications using C# and .NET.
3+ years of hands-on experience integrating with Sage Intacct ERP.
Strong Sage Intacct experience across core financial and operational modules, including Accounts Receivable, General Ledger, Cash Management, Order Entry, Inventory Control, Taxes, and related platform services.
Strong understanding of integration patterns and data flows, including retries, idempotency, reconciliation, and support.
Experience with Azure or AWS and containerized application environments; Kubernetes experience is a plus.
Demonstrated ability to build secure, scalable, maintainable systems with strong quality and reliability.
Strong problem-solving skills, clear communication, and the ability to work independently in a senior individual contributor role.
Top Skills
What We Do
Versapay is focused on changing the way companies do business together by offering Customer-Centric Order-to-Cash solutions for mid-market and enterprise businesses. We help our clients offer a superior customer experience, enabling CFOs to accelerate cash conversion, reduce costs, and eliminate paper, checks and manual business processes. Based in Toronto with offices in Atlanta, Cleveland, Baltimore and Las Vegas, Versapay is owned by Great Hill Partners, a Boston-based technology investment firm.







