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Senior Python Developer

Brussels, Belgium
  • Primary role: Senior Python Backend Developer with strong monitoring and observability affinity.
  • Functional scope: development and maintenance of monitoring checks, alerting logic, APIs, engines, automation workflows and platform integration components.
  • Technical scope: Python, API/service development, asynchronous processing, databases, identity integration, test automation, CI/CD and cloud-native deployment.
  • Collaboration scope: work with Product Owner, Scrum Master, UX, Business Analyst, IT Operations, Data Engineers, Architects and other development teams.

Must haves
  • Senior Python Backend Developer with strong experience in production-grade backend services and automation logic.
  • Practical experience with monitoring, observability, synthetic checks, log checks, alerting logic or operational tooling.
  • Solid API development capability, preferably with FastAPI or equivalent Python backend frameworks.
  • Experience with asynchronous and event-driven processing, including queues or brokers such as RabbitMQ.
  • Good database skills with SQL Server and/or PostgreSQL, preferably including SQLAlchemy or comparable data access patterns.
  • Security awareness and experience with enterprise identity patterns such as SAML, OAuth and Microsoft Entra ID.
  • Cloud-native delivery experience with containers, Kubernetes, Azure DevOps, ArgoCD or comparable DevOps tooling.
  • Strong testing discipline using Pytest and automated quality practices.

Nice to haves
  • React, JavaScript, CSS or NX micro-frontend experience for self-service and administration user interfaces.
  • .NET, C# or Blazor awareness for collaboration with components built in that stack.
  • Selenium or other end-to-end test automation experience.
  • Experience in regulated, high-availability or critical-infrastructure environments.
  • Dutch and/or French communication skills in addition to English.

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