Senior Software Engineer, Sage Intacct Integrations (.NET)

Versapay is a company that transforms accounts receivable into a competitive advantage. They are seeking a Senior Software Engineer with Sage Intacct integration experience to support and evolve their integration platform, focusing on various financial workflows.

Responsibilities:

• 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

Requirements:

• 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
• Modern frontend experience, including React