Senior AI Software Engineer (GenAI)

Infosec
Cardiff, South Glamorgan, CF10 2AF, United Kingdom
3 weeks ago
£500 – £700 pd

Salary

£500 – £700 pd

Job Type
Contract
Work Pattern
Full-time
Work Location
Hybrid
Seniority
Senior
Education
Degree
Security Clearance
Required
Posted
30 Jun 2026 (3 weeks ago)

Benefits

25 days holiday Pension contribution Private healthcare Remote working allowance Professional development budget

Senior Generative AI Engineer / AI Software Engineer

6 Month Contract (potential to extend)

We're looking for a hands on Generative AI Engineer to build, deploy and secure production grade AI applications within a regulated enterprise environment.

This is not a research or proof of concept role. We're looking for someone who has delivered real world GenAI solutions and can clearly explain both the concepts and the implementation behind them.

Essential Experience

Building and deploying production LLM applications

Strong experience with RAG including:

Document ingestion

Chunking strategies

Embeddings

Vector search and retrieval

Context engineering

Prompt orchestrationLLM deployment experience, not just experimentation

Azure OpenAI, Ollama and/or Vertex AI

Python, FastAPI and REST API development

LangChain and/or LangGraph

AKS, Kubernetes, Docker and Helm

Secure AI development and DevSecOps practices including:

RBAC

Azure AD

Key Vault

Secrets management

Secure deployment patterns

Auditability and governanceLLM evaluation and optimisation including:

Grounding

Hallucination detection

Response quality measurement

Accuracy testing

Prompt and context engineering

What We're Looking For

You should be able to confidently explain:

What RAG is and how to build it end to end

How embeddings and vector databases work

How to deploy and operate LLMs in production

How to secure AI systems and protect sensitive data

How to evaluate and improve model performance

How to expose AI capabilities through APIs and enterprise applications

Desirable

Azure AI Foundry

Agentic AI

MCP

Private LLM deployments

Enterprise security and regulated environments

Not Suitable If

❌ Experience is primarily notebooks, research or experimentation

❌ No production LLM deployment experience

❌ No RAG implementation experience

❌ Limited software engineering or API development background

If you've built, deployed, secured and evaluated GenAI solutions in production and can explain the architecture and decisions behind then either;

Call Claire Thomas, add on Linkedin or apply to this advert & I will come back

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