Senior AI Engineer: Production LLM Apps, Cardiff (Onsite)

SR2 REC LTD; Cardiff; Hybrid; GBP 112,000 - 147,000; Full time

Job summary

SR2 REC Ltd in Cardiff is seeking a Senior AI Engineer to shape and deliver advanced AI capabilities. This hands-on role focuses on building AI-powered features and making technical decisions with the existing engineering team.

The position involves working 2–3 days onsite per week, with Inside IR35 terms and a daily rate up to £700. You will tackle production-grade AI solutions and ensure reliability and security in regulated environments.

Qualifications

• Strong track record of building and deploying production AI/LLM applications.
• Hands-on experience with AWS Bedrock and broader AWS services.
• Excellent software engineering skills with the ability to lead technically while remaining hands-on.
• Experience with RAG, document processing, information extraction or LLM evaluation.
• Understanding of security, reliability and delivering AI in regulated environments.

Responsibilities

• Hands-on role building AI-powered features from concept to production.
• Make key technical decisions and shape architecture with the team.
• Collaborate with engineers to deliver features in production-ready state.

Skills

AI/LLM deployments

AWS Bedrock

Software engineering leadership

RAG & document processing

Security & regulated environments

Job description

SR2 REC Ltd in Cardiff is seeking a Senior AI Engineer to shape and deliver advanced AI capabilities. This hands-on role focuses on building AI-powered features and making technical decisions with the existing engineering team.

The position involves working 2–3 days onsite per week, with Inside IR35 terms and a daily rate up to £700. You will tackle production-grade AI solutions and ensure reliability and security in regulated environments.