Oscar
Applied AI Engineer
Job Description
Salary: £49,000 - 89,000 per year
Requirements:- Strong commercial experience developing backend applications in C# and .NET
- Experience integrating AI or LLM technologies into production software
- Understanding of RAG, embeddings, prompt engineering, and vector search
- Experience building scalable cloud-based applications using Azure
- Genuine interest in Applied AI and solving real-world product problems
- Familiarity with C#/.NET 8 or 9, .NET Core, Azure OpenAI, OpenAI APIs, Semantic Kernel, vector databases, SQL Server, REST APIs, microservices, and Docker
- Design and develop AI-powered features within our modern C#/.NET application stack
- Integrate large language models (LLMs) and generative AI into customer-facing products
- Build RAG pipelines using vector databases and semantic search
- Develop APIs and backend services that support AI functionality at scale
- Work with our Product, Engineering, and Data teams to deliver intelligent product capabilities
- Evaluate AI outputs, improve reliability, and implement guardrails and monitoring
- AI
- Azure
- Backend
- C#
- Cloud
- Support
- LLM
- RAG
- REST
- SQL
- microservices
- ASP.NET
More:
We are an ambitious technology company developing intelligent software products used by thousands of customers across the UK and internationally. We are investing heavily in AI and are looking for an Applied AI Engineer to help productionise AI-powered features in our existing .NET platform. This is a product engineering role focused on turning AI capabilities into reliable, scalable software with commercial value. The position is based in Nottingham with hybrid working, including two days a week in the office and flexible office hours. The salary is up to £80,000, depending on experience. We offer the opportunity to shape AI strategy in an established software business, a modern engineering culture with investment in AI tools and innovation, and career progression into technical leadership or AI architecture.
last updated 40 week of 2026
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About Oscar
Oscar
Nottingham
IT
Skills & Technologies
Inferred from job description
Salary Insight
£69,000
This role
£60,000
UK median
This salary is 15% above the UK median for Software Engineers (£60,000/yr).
Based on 2024–2025 UK technology sector benchmarks