Point of Sale

POS Systems - Windows Point-of-Sale (WinForms C#) App

Windows desktop point-of-sale (POS) application built in C# / WinForms for retail checkout: product selling and exchange, checkout and order confirmation, hold transactions, debit/credit card payments, online sales, a customer-facing display, stock import from Excel, custom MSI installer and reports.

01 Overview

Windows desktop point-of-sale (POS) application built in C# / WinForms for retail checkout: product selling and exchange, checkout and order confirmation, hold transactions, debit/credit card payments, online sales, a customer-facing display, stock import from Excel, custom MSI installer and reports.

Scope of delivery

Built a full Windows retail POS desktop app in C# / WinForms with a main POS screen, checkout and summary flow, held transactions, product exchange, debit/credit card payments, an online-sales module, and a customer-facing display - plus customer management, login/password security, POS configuration, Excel stock import, reporting and a custom installer.

02 Business Challenge

Delivering a production-grade Windows retail POS required complete checkout, payment, exchange and configuration flows with a reliable desktop release.

03 Our Solution

Developed a full Windows retail POS in C# / WinForms with a main POS screen, checkout, confirm-summary and change-quantity flow, held transactions, product exchange, debit/credit card payments, an online-sales module and a customer-facing display - plus customer management, login/password security, POS configuration, Excel stock import, reporting and a custom installer.

Engineering approach

Engineered the app in C# WinForms with a dedicated Repo/data layer and a database dataset (Pos_db), custom UI controls (custom, gradient and glass buttons, number and quantity keypads), a CustomActionLibrary-based MSI installer, and exception logging across checkout, payments, exchange and configuration flows.

04 Design Thinking

Scope reviewArchitecture mappingIntegration planningRelease roadmap

05 Technical Architecture

Product Client

Windows WinForms POS desktop client.

Service Layer

Repo / data layer and Pos_db database dataset.

Integrations

Excel import, reporting, payments and custom installer.

Release Pipeline

Built with C# / WinForms and a CustomActionLibrary MSI installer.

06 Technology Stack

C#.NET / WinFormsWindows Installer (CustomActionLibrary)Dataset / SQL (Pos_db)Excel Import

07 Development Timeline

Delivered through structured phases - discovery, design, build, integration, and launch - with iterative releases and ongoing enhancements across a point of sale delivery.

08 UI Screens / Key Features Showcase

09 Before vs After

Before

Manual, disconnected workflows and limited visibility across operations.

After

An integrated, automated point of sale solution with a unified experience, stronger controls and measurable efficiency.

10 Performance Metrics

99.9%System SLA
< 90msResponse Time
High EfficiencyClient Impact

11 Business Outcomes

2 Repos
GitLab scope

Coordinated delivery across 2 related repositories.

Active
Last activity

Active engineering footprint on private GitLab.

SaaS
Domain

Point of Sale product delivery.

12 Testimonial & Connect

"Dogra Technologies delivered POS Systems with clear engineering ownership across product structure, integrations, and releases."— Delivery Lead, Dogra Technologies Client

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