Dileep Varma

Full-Stack Software Engineer — ECMI Invoicing Software (Maritime Domain)

Project: Web-based GST-Compliant Invoicing Platform for Ship-Chartering Operations

• Designed and built a secure, role-based invoicing platform to replace manual, spreadsheet-driven workflows in maritime ship-chartering operations.
• Built domain-specific logic aligned with charter contracts, including daily hire calculations, off-hire deductions, bunker charges, port charges, and annexure-based breakdowns.
• Developed a GST calculation engine that dynamically applies tax rules based on place of supply (0 % offshore, 18 % domestic), ensuring regulatory compliance.
• Created professional invoice exports in PDF, Excel, Word, and HTML, including mandatory annexure pages with period-wise calculations and GST summaries.

Tech Stack:
ASP.NET Core MVC & Web API, C# 11, .NET 9, Razor Views, SQLite, Entity Framework Core, Bootstrap 5, PdfSharp, EPPlus, OpenXML, xUnit

• Designed and built a complete web portal for Eastern Petro, allowing internal teams to manage operational data and workflows.
• Implemented secure authentication, CRUD modules, dashboards, and export features using C#, .NET, and SQL Server.
• Integrated Azure App Service for hosting and automated deployment.
• Configured Azure SQL Database, connection security, environment-based configuration, and role-based access.
• Set up Azure Monitoring & Application Insights for performance tracking and reliable operation.
• Ensured high availability and faster load times by optimizing server configuration and SQL queries.

Tech stack: .NET, C#, SQL Server, Azure App Service, Azure SQL, JavaScript, GitHub Actions

• Built a full ASP.NET + SQL Server application for pipeline tag-number management used by 2 departments.
• Delivered a Bulk Upload module with ClosedXML supporting thousands of records with validation, update/insert logic, and error reporting.
• Created a role-based dashboard system with dark mode, authentication, authorization levels, and consistent UI.
• Designed a unidirectional ODBC data flow that syncs SQL Server tag properties into E3D 3D modelling software, eliminating manual entry errors.
• Developed, debugged, deployed, and maintained the system end-to-end, pushing regular feature updates.
• Strengthened database reliability by standardizing engineering tag formats and improving SQL indexing & performance.