Founding AI Engineer - Build Production-Grade AI Platforms

Harrington Starr; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

Harrington Starr, a leading global investment firm, seeks a Founding AI Engineer to build and shape their AI capabilities from the ground up. This role offers autonomy and the opportunity to influence AI strategy and architecture within a high-impact environment.

The successful candidate will design and deploy production-grade AI systems, working on advanced RAG pipelines and orchestration frameworks, leveraging large language models across various ecosystems.

This is an exceptional chance to make a genuine impact in the field of applied AI while being supported by an ambitious leadership team.

Qualifications

• Proven experience shipping production AI/LLM systems used by real users.
• Strong end-to-end engineering capability — from architecture through deployment.
• Comfortable operating in ambiguity and building from scratch.

Responsibilities

• Build production-grade RAG pipelines across complex unstructured data.
• Design and deploy multi-agent AI systems.
• Own AI evaluations and governance for production systems.

Skills

AI System Design

Python Programming

Backend Engineering

Production AI Systems

Agile Methodologies

Tools

OpenAI

RAG Pipelines

Semantic Search

Job description

Harrington Starr, a leading global investment firm, seeks a Founding AI Engineer to build and shape their AI capabilities from the ground up. This role offers autonomy and the opportunity to influence AI strategy and architecture within a high-impact environment.

The successful candidate will design and deploy production-grade AI systems, working on advanced RAG pipelines and orchestration frameworks, leveraging large language models across various ecosystems.

This is an exceptional chance to make a genuine impact in the field of applied AI while being supported by an ambitious leadership team.