Applied AI Engineer

Oscar Associates Limited; Nottingham; Hybrid; GBP 72,000 - 88,000; Full time

Job summary

Oscar Associates Limited in Nottingham is seeking an Applied AI Engineer to design and deliver AI-powered features within a .NET backend stack. The role focuses on integrating LLMs, building RAG pipelines, and delivering scalable cloud-based solutions in Azure.

The position is hybrid, based in Nottingham, with two days per week in the office, offering a competitive salary and opportunities to shape AI strategy within an established software business.

Qualifications

• Backend experience in C# and .NET
• Experience integrating AI/LLM into production software
• Understanding of RAG, embeddings, prompt engineering and vector search
• Experience building cloud-based applications using Azure
• Genuine interest in Applied AI and solving real-world problems

Responsibilities

• Design and develop AI-powered features within a modern C#/.NET stack
• Integrate Large Language Models and Generative AI into customer-facing products
• Build RAG pipelines using vector databases and semantic search
• Develop APIs and backend services supporting AI functionality at scale
• Collaborate with Product, Engineering and Data teams to deliver intelligent capabilities
• Evaluate AI outputs, improve reliability and implement guardrails and monitoring

Skills

C#/.NET backend

AI/LLM integration

RAG, embeddings, vector search

Azure cloud

Applied AI interest

Tools

Azure

ASP.NET

Docker

REST

SQL

Microservices

Job description

Salary: £80,000 - 80,000 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.
• A genuine interest in Applied AI and solving real-world product problems.

Responsibilities:

• Design and develop AI-powered features within a modern C#/.NET application stack.
• Integrate Large Language Models 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 closely with Product, Engineering and Data teams to deliver intelligent product capabilities.
• Evaluate AI outputs, improve reliability and implement guardrails and monitoring.

Technologies:

• AI
• Azure
• Backend
• C#
• Cloud
• Support
• LLM
• RAG
• ASP.NET
• Docker
• REST
• SQL
• microservices

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 design, build and productionise AI-powered features within our existing .NET platform. This is a hybrid role based in Nottingham with two days a week in the office, offering a salary of up to £80,000 depending on experience. We offer flexible office hours attendance, the opportunity to shape AI strategy within an established software business, a modern engineering culture with investment in AI tooling and innovation, and excellent career progression into Technical Leadership or AI Architecture.

last updated 40 week of 2026