Founding Engineering Leader (CTO / VP Engineering)

Company: McGregor Boyall
Apply for the Founding Engineering Leader (CTO / VP Engineering)
Location: London
Job Description:

We’re partnering with one of the most ambitious AI startups in Europe, building a proactive AI assistant designed to help billions of users automate conversations, workflows and everyday tasks.

The product is being built around autonomous AI agents, persistent memory, multi-step reasoning and reliable task execution‑solving some of the hardest engineering challenges in production AI.

We’re looking for a Founding CTO to define the company’s technical vision and build the engineering organisation from the ground up.

What you’ll own

  • Define the long‑term technology strategy
  • Architect highly scalable AI‑native systems
  • Build reliable multi‑agent and autonomous AI platforms
  • Lead decisions across LLM infrastructure, distributed systems and developer platforms
  • Recruit and mentor a world‑class engineering team
  • Establish engineering culture, technical standards and hiring practices
  • Partner directly with the founders on product and company strategy

We’re interested in CTOs who have built products involving:

  • AI Agents
  • LLM platforms
  • Generative AI
  • Autonomous workflows
  • Distributed systems
  • Cloud‑native platforms
  • Large‑scale backend architecture
  • Event‑driven systems
  • Developer platforms
  • Production AI infrastructure

Experience with technologies such as OpenAI, Anthropic, LangGraph, LangChain, Kubernetes, Kafka, Vector Databases, RAG, MCP, Temporal or similar would be highly advantageous.

Ideal backgrounds

  • Chief Technology Officer
  • Founding CTO
  • Technical Co‑Founder
  • VP Engineering
  • Head of Engineering
  • Distinguished Engineer
  • Principal Engineer leading large technical organisations

From AI startups, AI infrastructure companies, developer tooling, cloud platforms, productivity software or high‑growth technology businesses.

You’ll be successful if you’ve:

  • Built engineering organisations from the ground up
  • Taken products from concept to production at scale
  • Made architecture decisions that balanced speed with long‑term scalability
  • Led teams building distributed systems and cloud‑native platforms
  • Hired exceptional engineers and technical leaders
  • Enjoyed remaining hands‑on whilst operating at executive level

Why join?

  • Founding executive position
  • Significant equity opportunity
  • Work directly with an exceptional founding team
  • Solve genuinely difficult AI systems challenges
  • Shape the engineering culture from day one
  • Build technology with the potential to impact millions of users globally

Desired Skills and Experience

  • Artificial Intelligence
  • Generative AI
  • GenAI
  • LLM
  • Large Language Models
  • AI Agents
  • Agentic AI
  • Autonomous Agents
  • AI Platform
  • AI Infrastructure
  • Prompt Engineering
  • Reasoning
  • Agent Orchestration
  • MCP
  • Model Context Protocol

McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.

If you’re excited by building category‑defining AI products rather than optimising existing platforms, I’d welcome a confidential conversation.

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Posted: July 17th, 2026