Expertise

Complex systems, clearly designed.

CelTom combines transaction-processing experience with modern .NET development.

Business domains

  • Payment & transaction processing
  • Loyalty, gift cards & vouchers
  • Fleet, access & membership
  • POS- and terminalintegration
  • Real-time authorisation and switching

Technology

  • C#, .NET 10, Blazor and Razor
  • SQL Server and T-SQL
  • REST/JSON and SOAP/XML
  • ISO8583, IFSF and TLV
  • Webapps, backoffice and APIs

What to expect

  • Pragmatic software architecture
  • Hands-on implementation
  • Security, performance and continuity
  • Maintainable solutions
  • Clear communication