Full Stack .NET Developer – E-Invoicing & Cloud Integration

Our client is seeking a professional to develop and operate an application chain dedicated to e-invoicing and e-reporting orchestration. This role focuses on building robust integration services and technical monitoring consoles within a modern cloud-native environment.

• Develop ASP.NET Core APIs to manage internal endpoints, status tracking, and message routing.
• Implement connectors for integration platforms using REST services and resilience patterns.
• Create technical UI components with Angular and RxJS for operational monitoring and flow supervision.
• Build asynchronous processing logic using Azure Functions , Service Bus , and Queue Storage .
• Configure Azure DevOps YAML pipelines to automate builds and multi-environment deployments.
• Instrument logging and observability using Application Insights and structured dashboards.
• Collaborate with technical leads and project managers to define interface contracts and secure data flows.

• You bring experience in backend development with C# , .NET , and ASP.NET Core .
• You have experience in frontend development using Angular , RxJS , and modular architecture.
• You possess knowledge of cloud platforms including Azure Functions , Service Bus , Blob Storage , and App Insights .
• You're experienced with Azure DevOps , YAML pipelines , and Key Vault for secret management.
• You bring knowledge of resilience patterns such as retry , circuit breaker , and backoff .
• You have experience in technical payload mapping and validation using JSON and XML .
• You're proactive and solution-oriented when managing technical user stories from development to deployment.

Nice to Haves

• Knowledge of Event-driven messaging, DDD , and Clean Architecture .
• Experience with security protocols including OAuth2 , OIDC , and Entra ID .
• Familiarity with Infrastructure as Code using Bicep or Terraform .
• Knowledge of integration conventions such as SFTP and flow recovery.

• Start date: ASAP
• Contract: open to both permanent employees and freelancers