Integration Engineer

Integration Engineer

Posted Today by Gravitas Recruitment Group (Global) Ltd

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£450 Per day
Outside
Remote
United Kingdom
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.NET Framework Azure DevOps Back End (Software Engineering) C# (Programming Language) Cloud Computing Cloud Governance Cloud Technology Continuous Integration and Continuous Delivery DevOps Infrastructure as Code (IaC) Microsoft Azure Microsoft Visual Studio Scripting Software Development Solid Principles SQL (Programming Language) Technical Documentation Windows PowerShell YAML

Summary: The role of Senior .NET / Azure Developer involves modernizing critical back-end systems for a Transport Client as part of an IT transformation program. The successful candidate will upgrade legacy .NET applications to .NET 8/9, develop cloud-native services, and implement CI/CD pipelines using Azure DevOps. This position requires strong problem-solving skills and a commitment to delivering high-quality code in complex environments.

Key Responsibilities:

  • Upgrade .NET Framework services to modern .NET 8/9 platforms.
  • Re-platform legacy workloads into Azure using Logic Apps, Azure Functions, and Azure Container Apps.
  • Develop secure and scalable C# services using clean architecture and SOLID principles.
  • Create unit and integration tests to ensure code quality and reliability.
  • Build and maintain CI/CD pipelines.
  • Manage Infrastructure-as-Code with Bicep for consistent cloud environment provisioning.
  • Automate environment deployments and scripting through PowerShell.
  • Align solutions with Azure Landing Zone governance, including enterprise controls and Zero Trust principles.
  • Document development activities and produce handover materials.

Key Skills:

  • Strong experience with C# and modern .NET (8 or 9) development.
  • Proven hands-on expertise in Azure: Logic Apps, Functions, Container Apps, Service Bus, Key Vault.
  • Good understanding of Azure Landing Zones and cloud governance within large-scale environments.
  • Experience building CI/CD pipelines in Azure DevOps (ideally using YAML).
  • Proficiency with IaC tools, especially Bicep, and scripting in PowerShell.
  • Experience writing robust unit and integration tests in .NET.
  • Familiarity with AI-assisted development tools (such as Claude and Codex).
  • Comfortable with modern development tools (such as Visual Studio Code, Rider, and SQL tooling).

Salary (Rate): £450 daily

City: undetermined

Country: United Kingdom

Working Arrangements: remote

IR35 Status: outside IR35

Seniority Level: Senior

Industry: IT

Detailed Description From Employer:

We are currently working with a Transport Client who are seeking a highly skilled and motivated Senior .NET / Azure Developer to play a critical role in the modernisation of multiple business-critical back-end systems. This opportunity is part of a wider IT transformation programme aimed at delivering scalable, cloud-native solutions. The successful candidate will be responsible for upgrading legacy .NET Framework applications to the latest .NET 8/9, building secure and maintainable cloud-native services, and implementing fully automated CI/CD pipelines using Azure DevOps. This role requires excellent problem-solving abilities, and a genuine passion for delivering high-quality code in complex enterprise environments.

Role Details:

  • Start Date: January
  • Day Rate: £400-450 per day
  • IR35: Outside
  • Contract: 3 months
  • Location: Mostly remote (occasional travel to Yorkshire, once per month)

Key Responsibilities:

  • Upgrade .NET Framework services to modern .NET 8/9 platforms.
  • Re-platform legacy workloads into Azure using Logic Apps, Azure Functions, and Azure Container Apps.
  • Develop secure and scalable C# services using clean architecture and SOLID principles.
  • Create unit and integration tests to ensure code quality and reliability.
  • Build and maintain CI/CD pipelines.
  • Manage Infrastructure-as-Code with Bicep for consistent cloud environment provisioning.
  • Automate environment deployments and scripting through PowerShell.
  • Align solutions with Azure Landing Zone governance, including enterprise controls and Zero Trust principles.
  • Document development activities and produce handover materials.

Essential Skills & Experience:

  • Strong experience with C# and modern .NET (8 or 9) development.
  • Proven hands-on expertise in Azure: Logic Apps, Functions, Container Apps, Service Bus, Key Vault.
  • Good understanding of Azure Landing Zones and cloud governance within large-scale environments.
  • Experience building CI/CD pipelines in Azure DevOps (idealy using YAML).
  • Proficiency with IaC tools, especially Bicep, and scripting in PowerShell.
  • Experience writing robust unit and integration tests in .NET.
  • Familiarity with AI-assisted development tools (such as Claude and Codex).
  • Comfortable with modern development tools (such as Visual Studio Code, Rider, and SQL tooling).

Success Measures & Deliverables:

  • Stabilised and modernised applications running on the latest .NET platform.
  • Legacy workloads efficiently re-platformed into the Azure ecosystem.
  • All deployments executed through reliable, automated CI/CD pipelines.
  • Comprehensive technical documentation and smooth handover to internal teams.
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