Senior Software Engineer, Sage Intacct Integrations (.NET)

About Versapay 🚀

Versapay turns accounts receivable (AR) into a competitive advantage.

Inefficient AR processes slow cash flow and stall growth. Versapay removes friction, unlocks working capital, and accelerates momentum — giving finance leaders the clarity and control they need to drive business forward.

Versapay automates accounts receivable, removing barriers to collecting and reconciling B2B payments. Our solutions connect finance teams, customers, and business systems in one ecosystem to ensure cash flow clarity. With over 10,000 customers and 5M+ companies transacting on the platform, Versapay processes over 110M transactions and $257B annually.

Think you might be the next Veep to join? Read on!!

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.

• 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.

• 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.

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We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.