AI Tech Lead: Architect Production-Grade AI Solutions

Cluster365.ai; Greater London; On-site; GBP 120,000 - 180,000; Full time

Job summary

Cluster365.ai is seeking an ambitious AI Tech Lead/Head of Sales to drive AI adoption in businesses. The role blends hands-on engineering with architecture leadership across AI agents, LLM orchestration and production-grade AI systems. You will mentor engineers, set standards and collaborate with product to deliver scalable AI solutions.

The candidate should combine deep backend skills with strategic thinking and a preference for cross-team collaboration to accelerate growth.

Qualifications

• Must have strong hands-on AI agent development, LLM integration and RAG systems.
• Advanced Python and backend development skills.
• Experience with LangChain, LangGraph, LlamaIndex or similar.
• Strong knowledge of vector databases, APIs and production AI systems.
• Experience designing evaluation, testing and guardrail frameworks for LLM applications.
• Strong problem-solving, systems thinking and technical communication skills.
• Experience with Docker, Kubernetes, AWS/GCP/Azure or serverless environments.

Responsibilities

• Technical direction and architecture for AI solutions.
• Define engineering standards for scalable, secure and reliable AI systems.
• Lead design and development of AI agents, LLM workflows and RAG solutions.
• Guide orchestration frameworks, memory systems, retrieval pipelines and tool integrations.
• Oversee development of Python-based backend services, APIs and AI integrations.
• Ensure performance, reliability, observability and cost efficiency.
• Mentor AI engineers, review technical designs and promote engineering best practices.
• Support technical problem-solving and knowledge sharing across the team.
• Work closely with Product and Engineering teams to deliver AI-driven solutions.
• Evaluate emerging AI technologies and drive continuous improvement of the Cluster365 platform.

Skills

AI agent development

LLM integration

RAG systems

Python

backend development

LangChain

LangGraph

LlamaIndex

vector databases

APIs

production AI systems

evaluation & guardrails

problem solving

systems thinking

technical communication

Docker

Kubernetes

AWS/GCP/Azure

Job description

Cluster365.ai is seeking an ambitious AI Tech Lead/Head of Sales to drive AI adoption in businesses. The role blends hands-on engineering with architecture leadership across AI agents, LLM orchestration and production-grade AI systems. You will mentor engineers, set standards and collaborate with product to deliver scalable AI solutions.

The candidate should combine deep backend skills with strategic thinking and a preference for cross-team collaboration to accelerate growth.