Muhammad Gammanur

.NET Developer with experience developing and maintaining business applications using VB.NET, C#, .NET Framework, and relational databases. Experienced in ERP-related workflows, internal desktop applications, reporting and printing processes, API integration, and technical troubleshooting. Also brings a background in data processing and end-user IT support.

.NET Developer at PT 360 Teknologi Indonesia — assigned to PT Indomarco Prismatama (Indomaret Group) (2024-12 – Present)

• Develop and maintain VB.NET and C# desktop applications on the.NET Framework for internal business operations.
• Enhance existing business applications by implementing new features, modifying legacy modules, and maintaining data-processing workflows across application forms and database tables.
• Build and maintain database-driven workflows using MySQL and Microsoft SQL Server.
• Develop and maintain reporting and label-printing workflows using Crystal Reports and supported printer devices.
• Integrate internal applications with APIs, including notification workflows connected to SuperAPP.
• Write and troubleshoot SQL queries and database-processing routines using MySQL and Microsoft SQL Server to support business transactions, reporting, and operational data reconciliation..
• Implement QR-based approval workflows using Base64-encoded data, HMAC validation, and internal intranet endpoints to support business approval processes.

IT Consultant at PT Evergreen Hans (2023-02 – 2024-11)

• Developed and supported ERP programs using VB.NET tailored to each client preferences.
• Processed and managed business data using Microsoft SQL Server tailored to each client preferences.
• Provided IT support and troubleshooting network and various devices for the internal of Evergreen Hans staff.
• Supported clients with application issues and IT requirements based on the problems tailored for each client.

Bachelor's Degree in Informatics Engineering – Gunadarma University (2016 – 2021)