Senior DotNet Developer – POS & Payment Integrations

About the Role

We are looking for a highly skilled Senior C# Developer with strong experience in Point-of-Sale (POS) systems, payment gateway integrations, and backend application development.

The ideal candidate should have hands-on experience working with POS vendor APIs, building scalable desktop or web-based applications, and developing reliable transaction workflows within retail or healthcare environments.

This role requires strong technical expertise, problem-solving skills, and the ability to communicate effectively within a collaborative development environment.

Key Responsibilities

• Develop and maintain POS-related applications using C#
• Integrate third-party POS vendor APIs and external services
• Work with payment gateway integrations and transaction processing systems
• Build and optimize backend services and operational workflows
• Develop frontend interfaces using Windows Forms or Blazor
• Troubleshoot system issues and improve application performance
• Collaborate with internal teams on architecture, deployment, and integrations
• Maintain clean, scalable, and secure code practices

Requirements

• Strong experience with C# / .NET development
• Hands-on experience in Point-of-Sale (POS) application development
• Experience integrating payment gateways
• Experience working with POS vendor APIs
• Proficiency in Windows Forms or Blazor
• Good English communication skills
• Strong understanding of APIs, integrations, and system architecture
• Ability to work independently and solve technical challenges efficiently

Preferred Qualifications

• Experience with desktop application architecture
• Knowledge of transaction security and payment workflows
• Experience working with healthcare, retail, or operational systems
• Familiarity with SQL databases and backend optimization

Why Join Us?

• Work on real-world POS and automation systems
• Opportunity to contribute to scalable technology solutions
• Collaborative and growth-focused environment
• Exposure to advanced integrations and payment infrastructure