AI Developer (Mid–Senior)
Location: Newcastle upon Tyne or Remote (UK)- PERM
Salary: £50,000 – £80,000
We’re working with a growing technology organisation looking to expand its engineering capability with a number of AI Developers. You’ll play a key role in building intelligent, scalable features, leveraging the latest in LLMs, retrieval-augmented generation (RAG), and cloud-native technologies.
There are multiple roles available, ranging from mid-level to senior engineers, offering opportunities to both deepen technical expertise and take ownership of AI initiatives.
What You’ll Be Doing
*Design and build AI-powered features using modern LLM frameworks
*Develop and optimise RAG pipelines (vector databases, embeddings, retrieval strategies)
*Integrate AI services into existing backend systems and APIs
*Work with structured and unstructured data to improve model outputs
*Collaborate with cross-functional teams to deliver high-impact features
*Contribute to architecture decisions and help shape AI capability
*Ensure performance, scalability, and reliability of AI systems in production
Tech & Tools
*Backend: .NET / C# (or similar), REST APIs
*AI/ML: OpenAI, Azure AI, or similar LLM platforms
*RAG: Vector databases (e.g. Pinecone, Weaviate, or similar)
*Cloud: Azure, AWS, or GCP
*Frontend collaboration: any modern JS framework (desirable)
*DevOps: CI/CD pipelines, containerisation
What We’re Looking For
Mid-Level
*2–4+ years of software development experience
*Exposure to AI/ML or LLM-based applications
*Understanding of APIs, backend systems, and cloud environments
*Interest or hands-on experience with RAG or semantic search
Senior-Level
*5+ years of experience in software engineering
*Strong experience designing and deploying AI-driven systems
*Proven experience building or scaling RAG architectures
*Ability to lead projects, mentor others, and influence technical direction