Senior .net Backend Engineer (m/f)

PM-International AgSchengenworkinluxembourgpublished 09/21/2026
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Must-have:AzureBackendFinTechSenior

Description:

We are hiring a Senior .net Backend Engineer within our IT Payments Team with a Fixed-Term Contract for 6 months to join our international team based in Schengen, Luxembourg immediately.

WHAT ARE YOUR RESPONSIBILITIES:

  • Build REST APIs in .NET 10 powering customer onboarding, payments, accounts, and risk systems
  • Integrate with different Payment Service Providers
  • Integrate SEPA messaging workflows and external payment providers
  • Integrate with Card Issuers (BIN sponsors, issuer processors)
  • Build out monitoring, observability, logging, and alerting patterns
  • Provide architecture guidance on service decomposition, API contracts, data modelling and integration patterns

WHAT ARE THE REQUIREMENTS:

  • 10+ years backend engineering including driving architecture decisions
  • Fintech / EMI / Payments background
  • Nice to have: Azure knowledge (Bicep, Service Bus, Container Apps, Key Vault, APIM)
  • Nice to have: Familiarity with fraud and risk systems
  • Nice to have: Familiarity with KYC/AML processes in a financial institution