Sallauddin K.
Solutions Engineer
Remote (global)
LinkedIn profile available to registered employers
Resume available to registered employers
Self-assessed English levels
ZRA Smart Invoice Integration – Zambia Revenue Authority
Developed a Java 8-based e-invoicing integration solution from scratch to connect Sage X3 ERP with the Zambia Revenue Authority (ZRA) fiscalization system. Implemented invoice data retrieval and validation across multiple database tables and data models. Developed a JAR-based integration application to handle API authentication, invoice submission, response processing, and database updates. Deployed the integration JAR on Apache Tomcat and configured communication with the ZRA-provided Virtual Data Controller (VDC). Implemented error handling and retry mechanisms to manage unsuccessful submissions and maintain invoice processing statuses within Sage X3.
MRA Smart Invoice Integration – Mauritius Revenue Authority
Developed an e-invoicing integration using C# and .NET Framework 4.8. Integrated Sage X3 invoice processes with government-provided APIs to support electronic invoice submission and response handling.
ABSA Bank Payment File Integration
Implemented a secure Sage X3 payment integration using OpenPGP-based digital signing and encryption. Researched and implemented cryptographic functionality using .NET and suitable libraries to address a banking integration documented for Linux but required in a Windows environment. Automated secure payment-file transmission to the bank using SFTP.