.NET Developer - Windows Applications for Retail Operations

About Us

Founded in 2015, MishiPay (https://mishipay.com/) brings the best of the online checkout experience to physical stores. We do this with our Scan, Pay and Go technology. Using our native apps on Android or iOS, or our web app available on the user’s browser, customers scan the products they wish to buy in store using their own phone, pay instantly and can then simply exit the store with their items. As the leading Scan and Go provider, we work with some of the world’s largest retailers including MUJI, Virgin Megastore, Flying Tiger Copenhagen, Paradies Lagardère, Dubai Duty Free, Grandiose Supermarket. What’s more, we are backed by fantastic investors including American Express, Nauta Capital and United Ventures.

MishiPay is growing at a very fast pace with our users increasing by over 600% year-on-year. The work is challenging and requires you to be on top of your game but if the adventure and journey excites you then this is the place for you. We want to make sure that in exchange for this commitment from our team, we offer them the best package possible in terms of options, salary and bonus linked to the success of the business. You’ll also quickly see the impact of your work in the real world as MishiPay is live in 14 countries across the globe.

About The Role

We are seeking an experienced .NET Developer to join our team and build robust Windows applications for retail operations. The ideal candidate will have hands-on experience developing desktop applications that solve real-world business challenges in commercial environments.

Key Responsibilities

• Design, develop, and maintain Windows desktop applications using .NET Framework/.NET 6+
• Build intuitive user interfaces using WPF, WinForms, or modern UI frameworks
• Integrate with POS systems, inventory management, and payment processing APIs
• Develop offline-capable applications with local data storage and synchronization
• Implement barcode scanning, receipt printing, and hardware integration features
• Optimize applications for performance in high-transaction environments
• Collaborate with product managers and stakeholders to understand business requirements
• Maintain and enhance existing Windows applications
• Write clean, maintainable, and well-documented code
• Participate in code reviews and follow development best practices
  
  

Required Qualifications

• 3+ years of experience in .NET development (C#, .NET Framework/.NET Core/.NET 6+)
• Proven experience developing Windows applications for retail or food & beverage operations
• Strong proficiency in WPF, WinForms, or MAUI for desktop application development
• Experience with database integration (SQL Server, SQLite, MySQL)
• Knowledge of REST APIs and web services integration
• Understanding of POS system integration and payment processing
• Experience with hardware integration (barcode scanners, receipt printers, cash drawers)
• Familiarity with offline data storage and synchronization strategies
• Knowledge of Windows deployment and installation packaging
• Understanding of retail/F&B business processes (inventory, orders, payments, reporting)
  
  

Preferred Qualifications

• Experience with Windows Service development for background processing
• Knowledge of cloud platforms (Azure, AWS) for data synchronization
• Familiarity with DevOps practices and CI/CD pipelines
• Experience with multi-location retail chains or franchise operations
• Understanding of compliance requirements (PCI DSS, data security)
• Knowledge of reporting and analytics implementation
• Experience with third-party integrations (accounting software, loyalty programs)
• Familiarity with Agile/Scrum development methodologies
  
  

Technical Skills

• Programming Languages: C#, VB.NET
• Frameworks: .NET Framework, .NET Core/.NET 6+, WPF, WinForms, MAUI
• Databases: SQL Server, SQLite, MySQL, Entity Framework
• Development Tools: Visual Studio, Git, Azure DevOps/GitHub
• Additional Technologies: XML, JSON, RESTful APIs, SOAP services
• Testing: Unit testing frameworks (NUnit, MSTest, xUnit)
  
  

Industry Experience

• Retail Applications: POS systems, inventory management, customer management
• Food & Beverage: Restaurant management systems, kitchen display systems, order management
• Commercial Operations: Multi-location synchronization, reporting dashboards, staff management
  
  

Why MishiPay?

You’ll work with an inspirational multi-cultural team, based in our central London HQ, the US, Dubai and Bangalore, who are redefining the retail industry globally. We offer a tight-knit, collaborative and exciting work environment, coupled with the opportunity to see the apps we develop live in action within some of the world’s largest retailers, impacting the lives of millions of shoppers.