Senior GenAI Engineer — Lead Production AI & Agentic Systems

Lynx Recruitment; City of Westminster; On-site; GBP 90,000 - 130,000; Full time

Job summary

Lynx Recruitment is seeking a Senior AI Engineer to lead production-grade GenAI and agentic systems. You will own architecture, prototyping, deployment, and observability while guiding clients and senior stakeholders. A hands-on role, you’ll mentor engineers and establish guardrails for responsible AI.

Based in the UK, you will design secure AWS deployment architectures and build CI/CD pipelines to deliver production-ready AI applications with end-to-end ownership.

Qualifications

• 3+ years software or machine learning engineering experience.
• 2+ years building and deploying GenAI/LLM applications in production.
• Strong Python development skills.
• Hands-on experience with LangGraph, LangChain, LlamaIndex, CrewAI or similar.
• Experience with AWS Bedrock, Lambda, ECS, EKS or SageMaker.
• Strong understanding of RAG, agentic AI and multi-agent architectures.
• Experience with CI/CD, cloud infrastructure and deployment.
• Comfortable working directly with clients and senior stakeholders.
• Experience leading technical workstreams or small engineering teams.
• 2:1 or above IT/Tech/Business degree.

Responsibilities

• Design and deliver production GenAI and multi-agent systems.
• Build agentic workflows, RAG solutions, tool use and multi-step orchestration.
• Define evaluation strategies and implement AI observability.
• Design secure AWS deployment architectures.
• Build CI/CD pipelines and production-ready AI applications.
• Lead technical discussions with clients and senior stakeholders.
• Mentor engineers and provide technical leadership.
• Establish best practices around prompt design, guardrails and responsible AI.

Skills

GenAI development

LangGraph

LangChain

LlamaIndex

Python

RAG architectures

Multi-agent systems

CI/CD

AWS deployment

Client leadership

Education

2:1 IT/Tech/Business degree

Tools

LangGraph

LangChain

LlamaIndex

CrewAI

Job description

Lynx Recruitment is seeking a Senior AI Engineer to lead production-grade GenAI and agentic systems. You will own architecture, prototyping, deployment, and observability while guiding clients and senior stakeholders. A hands-on role, you’ll mentor engineers and establish guardrails for responsible AI.

Based in the UK, you will design secure AWS deployment architectures and build CI/CD pipelines to deliver production-ready AI applications with end-to-end ownership.