Senior AI & Integration Engineer – C# ​/.NET​/Azure

£70,000–£75,000 | Permanent, full-time
Hybrid: four days from home, one day in the office

An established business is looking for a Senior AI & Integration Engineer to help turn its AI and automation ambitions into practical, production-ready solutions.

As its first dedicated AI engineering hire, you will report directly to the IT Director and have the autonomy to shape the technology, standards and engineering patterns behind a new capability. This is a hands‑on senior position with technical ownership and mentoring opportunities.

You will combine strong C# and .NET development with Azure, APIs and integration engineering, using Copilot Studio and Power Platform where they offer the right solution.

You will design and deliver secure AI agents, intelligent automation and integrations across a Microsoft‑centred technology estate. Projects will connect CRM, finance, payroll, document management and bespoke applications, helping teams access information, process documents and automate business workflows.

You will own solutions throughout their lifecycle, from discovery and architecture through development, testing, deployment and ongoing improvement.

• Building AI agents that retrieve information, process documents and take controlled actions, with appropriate validation and human approval.
• Developing APIs, backend services and integration components using C#, modern .NET, ASP.NET Core and Azure Functions.
• Connecting business applications through REST APIs, webhooks and custom connectors.
• Creating maintainable automation using Power Automate, Dataverse and Power Platform.
• Selecting the right approach for each requirement, balancing conventional software development with low‑code tools.
• Implementing secure authentication and access using Entra , OAuth 2.0 and managed identities.
• Establishing reliable testing, monitoring, logging and deployment practices.
• Helping define technical standards and mentoring colleagues building internal automations.

You will bring strong software engineering foundations and experience delivering reliable applications and integrations into production.

• Strong C# and modern .NET development, including ASP.NET Core Web APIs and backend services.
• Azure development, including Azure Functions.
• REST APIs, HTTP, JSON, OpenAPI/Swagger and webhooks.
• Integration patterns covering authentication, pagination, rate limits, retries and exception handling.
• Microsoft Entra , OAuth 2.0, application permissions and secure secrets management.
• Git, CI/CD pipelines, automated testing, monitoring and production support.
• Clear communication skills and the confidence to own technical decisions.

Hands‑on experience with Copilot Studio, Power Automate, Power Fx or Dataverse would be particularly valuable. Strong .NET and Azure engineers with the aptitude and enthusiasm to develop these skills are also encouraged to apply, with support available.

Other useful experience includes:

• Microsoft Graph, Teams and SharePoint integrations.
• Azure AI services, document processing and retrieval‑based solutions.
• Logic Apps, API Management, Service Bus and Key Vault.
• Type Script, JavaScript or Python.
• Docker, infrastructure as code or Model Context Protocol.

• £70,000–£75,000 salary.
• Four days working from home- one office
• Flexible working hours.
• Competitive pension scheme.
• Health cash plan.

If you enjoy combining software engineering with practical AI and automation, this is an opportunity to shape a new capability and see your work make a direct impact across an established business.