AutoCount Accounting SDK/API Developer (n8n Integration)

We are looking for an experienced developer who has hands-on experience with AutoCount Accounting SDK/API to automate our procurement workflow. We already have AutoCount Accounting Version 2.2 running on Microsoft SQL Server 2012 SP2 Express Edition and n8n installed locally on our server. We prefer to use the official AutoCount SDK/API and do not want any direct SQL database modifications. Project Scope Integrate our internal Purchase Request form with AutoCount using the official SDK/API. Automate the entire procurement approval workflow. Integrate everything with our existing self-hosted n8n server. Build any middleware/API required between n8n and AutoCount. Workflow User submits a Purchase Request through our web form. Procurement receives the request and reviews it. Once Procurement approves, the system automatically creates a Purchase Order (PO) inside AutoCount using the SDK/API. The newly created PO is automatically submitted to the respective Head of Department (HOD) for approval. Once the HOD approves, the workflow continues automatically. An email notification is sent to the requester and, if applicable, directly to the vendor/supplier together with the PO details or PDF. Requirements Strong experience with AutoCount Accounting SDK/API. Experience integrating AutoCount with external applications. Experience with n8n workflow automation. Experience with C#/.NET or VB.NET. Experience with REST APIs and Windows Server environments. Understanding of AutoCount business logic and document creation. No direct SQL database writing. Deliverables Fully working AutoCount SDK/API integration. Automated procurement approval workflow. Auto Purchase Order creation. HOD approval workflow. Email notification automation. Source code. n8n workflow files. Installation and technical documentation. Error handling and logging.