Senior .NET/Azure Engineer — AI & Modernisation

Areti Group | B Corp™; Greater London; On-site; GBP 720,000 - 1,199,000; Full time

Job summary

The Areti Group | B Corp™ is seeking a Senior Software Engineer to join a major modernisation programme in London. You will help build and evolve cloud-native applications while contributing to AI-driven initiatives, focusing on C#/.NET and Azure.

Ideal candidates have strong experience with C# and .NET, Azure, cloud APIs, and delivery in complex enterprise environments. This role is a 6-month contract with three days onsite in London City.

Qualifications

• Strong commercial experience with C# and .NET.
• Excellent knowledge of Microsoft Azure.
• Experience building modern, scalable cloud applications and APIs.
• Experience in modernisation / transformation programmes.
• Comfortable working in complex enterprise environments.
• Genuine interest in AI, GenAI and Agentic AI.
• Any hands-on exposure to LLMs, Azure OpenAI, AI agents, RAG or AI-enabled applications would be highly advantageous.

Responsibilities

• Develop and evolve cloud-native applications on Azure.
• Collaborate with engineering and product teams on AI features.
• Support modernisation and transformation programmes.
• Deliver scalable APIs and maintain code quality.

Skills

C# / .NET

Azure

APIs

Cloud-native

AI interest

LLMs exposure

Job description

The Areti Group | B Corp™ is seeking a Senior Software Engineer to join a major modernisation programme in London. You will help build and evolve cloud-native applications while contributing to AI-driven initiatives, focusing on C#/.NET and Azure.

Ideal candidates have strong experience with C# and .NET, Azure, cloud APIs, and delivery in complex enterprise environments. This role is a 6-month contract with three days onsite in London City.