Founding AI Engineer: Build AI Foundations & Impact

Runtime Group Ltd; Greater London; On-site; GBP 70,000 - 120,000; Full time

Job summary

Run-Time Group is seeking an AI Engineer to become the first in-house AI specialist, taking ownership of how AI is introduced, adopted and scaled across the organisation. You will work with Product, Engineering and Data teams to design and deliver AI-powered products that help users search information, analyse data and automate workflows.

This role offers genuine ownership and a chance to shape the company’s AI direction.

Qualifications

• Experience building and deploying AI/LLM-powered applications used by real users.
• Experience with prompt engineering, tool calling and model integrations.
• Experience designing and consuming REST APIs.
• Knowledge of RAG, information retrieval and search technologies.
• Strong understanding of structured data and analytical workflows.
• Experience evaluating model performance and improving output quality.
• Awareness of AI security risks including prompt injection, data leakage and access control.
• Strong stakeholder management and communication skills.

Responsibilities

• Building production-ready AI applications using LLMs and modern AI tooling.
• Creating retrieval and knowledge-search systems that provide accurate, traceable answers.
• Integrating AI capabilities with structured business data and analytical platforms.
• Developing conversational AI experiences and intelligent workflows.
• Establishing evaluation, monitoring and governance standards for AI solutions.
• Identifying new use cases and helping shape the organisation's wider AI strategy.
• Working directly with end users to understand problems and deliver measurable outcomes.
• Acting as the go-to AI specialist within the business.

Skills

AI engineering experience

Prompt engineering

REST APIs

Information retrieval

Structured data

Model evaluation

AI security

Stakeholder management

Production systems

Job description

Run-Time Group is seeking an AI Engineer to become the first in-house AI specialist, taking ownership of how AI is introduced, adopted and scaled across the organisation. You will work with Product, Engineering and Data teams to design and deliver AI-powered products that help users search information, analyse data and automate workflows.

This role offers genuine ownership and a chance to shape the company’s AI direction.