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C4 Group

Senior Cloud Developer

C4 Group

Cloud Architect and Developer managing a hybrid procurement portal project in Stuttgart. Consulting and developing for internal procurement system with Azure Cloud and modern software development methodologies.

Posted 7/1/2026contractStuttgart • 🇩🇪 GermanySeniorWebsite

Tech Stack

Tools & technologies
AzureCloudCypressDockerEntity FrameworkKubernetesMicroservices.NETSelenium

About the role

Key responsibilities & impact
  • Our client is seeking a partner for consulting, development and operational support of an internal procurement portal (live since 2016).
  • The platform connects the client with external suppliers for digital order processing.
  • Scope: stabilization and further development of the Azure cloud infrastructure, frontend modernization, and operational support escalation.
  • EDIT: We require 2–4 FTE: Lead Cloud Architect, Senior Fullstack Developer (DevOps), QA Tester

Requirements

What you’ll need
  • Lead Cloud Architect (m/f/d) 10+ years cloud architecture & solution design Microsoft Azure (Event Grid, Cosmos DB, Azure Functions, App Service)
  • Bicep / Infrastructure-as-Code
  • Azure DevOps, Application Insights, Monitoring
  • Security: Zero-Trust, GDPR, Well-Architected Framework
  • Consulting, stakeholder management, technical leadership
  • Proven track record: several years operating complex cloud platforms
  • Senior Developer .NET (m/f/d) 8+ years C#/modern .NET (Core 6+, ideally .NET 8)
  • Entity Framework Core, async/await, REST APIs, Web API design
  • Azure services: Functions, Cosmos DB, App Service
  • SOLID principles, Clean Code, unit testing (NUnit / xUnit)
  • CI/CD, DevOps, code review, microservices & design patterns (nice-to-have)
  • Proven experience: production environments, quality gates
  • DevOps/SRE Engineer (m/f/d) 6+ years cloud infrastructure, focus Microsoft Azure
  • Bicep / Infrastructure-as-Code, Azure App Service, Azure Functions
  • Azure DevOps stack (not GitHub), CI/CD pipelines
  • Application Insights, Log Analytics, Monitoring
  • Azure Key Vault, secrets management, Managed Identity
  • RBAC, Entra ID / Azure AD, Security & DevSecOps
  • Docker (required), Kubernetes/AKS (optional)
  • Alerting, SLO definition, Observability, Proven experience: stable operation of production cloud infrastructure
  • QA/Test Automation Specialist (m/f/d) 5+ years test automation C#/.NET (for backend alignment)
  • Testing frameworks: NUnit, xUnit, MSTest
  • API testing (Postman or similar), UI testing: Selenium/Cypress (desirable)
  • Test strategy & test coverage, Agile testing, bug tracking
  • CI/CD & automated test gates

Benefits

Comp & perks
  • Important note: Only permanent employees can be considered for this project.
  • Freelancers, single-person GmbH/UG/GbR entities, etc. cannot be engaged.
  • Profiles that do not fully meet the mandatory requirements cannot be considered in the selection process.

ATS Keywords

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Hard Skills & Tools
Cloud ArchitectureSolution DesignC#ASP.NET CoreEntity Framework CoreREST APIsCI/CDTest AutomationMicroservicesSecurity (Zero-Trust, GDPR)
Soft Skills
Stakeholder ManagementTechnical LeadershipConsulting