Hello! I'm Zain Arobinto, a Software Developer and IT Professional with experience in developing business applications, process automation solutions, database management, and technical support.

I specialize in building custom desktop applications, automating business processes, and creating efficient data management solutions using , C#, Microsoft SQL Server, Excel VBA, and Microsoft SharePoint. My experience includes developing Customer Information Systems (CIS), Billing Systems, Customer Relationship Management (CRM) solutions, and business productivity tools that help organizations streamline operations and improve efficiency.

One of my key strengths is creating automation solutions using Excel VBA and SharePoint Lists. I have experience developing automated reports, data validation tools, workflow solutions, and database-driven applications that reduce manual tasks and improve data accuracy. I also utilize SharePoint Lists as a lightweight database solution for internal business applications, dashboards, and workflow management systems.

Throughout my career, I have developed systems such as:

• Payroll Management Systems
• Warehouse Inventory Systems
• Sales and Cash Inventory Systems
• Library Management Systems
• Customer Information Systems (CIS)
• Billing and CRM Solutions
• Excel VBA Automation Tools
• SharePoint-Based Business Applications

My technical expertise includes:

• Development
• C# Development
• Microsoft SQL Server
• Excel VBA & Macros
• Microsoft SharePoint Lists
• Database Design & Management
• Business Process Automation
• Data Analysis & Reporting
• Technical Support & Troubleshooting
• System Documentation

Beyond software development, my experience as a Technical Support Specialist, Subject Matter Expert (SME), Customer Service Representative, and Strategic Collection Analyst has strengthened my communication, analytical thinking, and problem-solving skills. This allows me to understand both technical and business requirements and deliver solutions that provide real value to clients.

I am committed to delivering high-quality work, maintaining clear communication, and meeting project deadlines. Whether you need a custom application, Excel automation, SharePoint solution, database design, reporting tool, or business process improvement, I am ready to help transform your ideas into practical and reliable solutions.

Skills

C#
Microsoft SQL Server
Excel VBA
Microsoft Excel Automation
SharePoint Online
Microsoft SharePoint Lists
Power Automate
Database Design
SQL Queries
Business Process Automation
Desktop Application Development
Data Analysis
Reporting & Dashboards
Technical Support
CRM Systems
CIS Systems
Problem Solving
Process Improvement
System Documentation