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Mint Selection Logo Mint Selection · IT - Software Development

Head of AI

United Kingdom, London · Job Posted May 27, 2026
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Job Description

We are looking for an AI Systems Architect/Head of AI to own the design, build and deployment of AI systems across the business. This is an implementation-focused role for someone who can translate operational, commercial and trading challenges into working, production-grade solutions. This is not an advisory or strategy-only position. The successful candidate will be hands-on, building systems end to end while operating as a senior technical and commercial leader within the business. The ideal profile is a highly capable senior software engineer with 8 to 20 years of experience building production systems at scale, who has spent the last several years moving deeply into AI and LLM-based systems. AI is now their primary focus, but their credibility comes from engineering excellence and a track record of delivering complex systems in commercially demanding environments.

Job Responsibility

  • Own the architecture and deployment of AI systems across the business, including model selection, tooling, infrastructure and integration with core business systems
  • Work closely with the CEO and senior leadership team to identify high-impact AI opportunities across operations, trading and commercial functions
  • Design, build and deploy AI solutions from prototype through to production, including prompt engineering, data pipelines, evaluations, integrations and operational rollout
  • Provide engineering capability across the algorithmic trading and software development estate, including building, deploying and supporting trading algorithms, internal tooling and development systems
  • Hire, lead and grow a high-performing technical team
  • Operate as a peer to the senior leadership team, translating technical capability into commercial outcomes and owning key architectural and implementation trade-offs
  • Ensure AI systems are robust, scalable, measurable and commercially effective

Requirements

  • 15 to 20 years of experience building and operating production software systems at scale
  • Demonstrable experience delivering multiple successful production systems in commercially demanding environments
  • 1 to 3 years of hands-on experience with LLM-based systems, including agentic workflows, RAG architectures, evaluations, integrations and fine-tuning
  • Strong software engineering capability across the full stack, with deep understanding of production infrastructure and deployment
  • Experience leading and scaling small technical teams
  • Commercial fluency and the ability to engage effectively with senior business leadership
  • Remains highly hands-on technically, capable of coding, debugging, prompting, evaluating and deploying systems directly
  • Comfortable operating within industrial, asset-intensive or operationally complex businesses
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