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Gravitas Recruitment Group (Global) Ltd

Integration Engineer

Remote

United kingdom

£ 450 /day

Freelance

25-11-2025

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Skills

C# PowerShell Visual Studio SQL CI/CD DevOps Azure DevOps Azure Functions Problem-solving Architecture Azure .NET Visual Studio Code CI/CD Pipelines

Job Specifications

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.

About the Company

Gravitas is an internationally renowned recruitment group supporting niche roles within technology, insurance, and banking. We help fuel innovation by supporting specialisms that underpin development, transformation, and growth. As niche specialists, we partner with our clients to create strategic hiring solutions that deliver the best, skilled, niche, talent - fast. We balance speed and excellence with compliance and integrity. That’s why we are trusted! Our proactive, people-focused approach to specialist recruitment, me... Know more