Senior AI Engineer: Architect Production-Grade LLM & RAG Systems

Myn; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

Myn seeks a Senior AI Engineer to own end-to-end intelligent systems, architect LLM-based applications, RAG workflows, and agentic frameworks. You will prototype, deploy at scale, and monitor performance, ensuring reliability and cost-efficiency while mentoring engineers and shaping engineering standards across teams.

Ideal candidates bring 5+ years in software or AI/ML, strong Python, cloud (AWS/Azure/GCP), Docker, and experience delivering production-grade AI solutions.

Qualifications

• 5+ years of experience in software engineering or AI/ML systems development.
• Expertise in Python and modern software engineering practices, including CI/CD, automated testing, and version control.
• Proven experience designing and deploying production-grade LLM applications, RAG systems, and agentic workflows.
• Strong proficiency with cloud platforms (AWS, Azure, or GCP) and containerisation technologies like Docker.
• Deep understanding of AI evaluation frameworks, system observability, and performance monitoring metrics.
• Experience with vector databases and managing data pipelines for AI/ML systems.
• Ability to translate complex business problems into scalable, reliable, and secure AI architectures.
• Demonstrated experience in technical leadership, mentoring junior engineers, and cross-functional stakeholder management.

Responsibilities

• Own the end-to-end lifecycle of intelligent systems, architecting LLM-based applications, RAG systems, and agentic workflows.
• Prototype to scalable deployment with continuous monitoring and cost-efficient operation.
• Collaborate across teams to translate business needs into robust AI architectures and set engineering standards.

Skills

Python

CI/CD

Automated testing

Version control

LLM apps

RAG systems

Agentic workflows

Cloud platforms

Containerisation

System observability

Performance monitoring

Data pipelines

Technical leadership

Tools

Docker

Job description

Myn seeks a Senior AI Engineer to own end-to-end intelligent systems, architect LLM-based applications, RAG workflows, and agentic frameworks. You will prototype, deploy at scale, and monitor performance, ensuring reliability and cost-efficiency while mentoring engineers and shaping engineering standards across teams.

Ideal candidates bring 5+ years in software or AI/ML, strong Python, cloud (AWS/Azure/GCP), Docker, and experience delivering production-grade AI solutions.