Founding CTO: Enterprise AI Platform with Regulated Systems

trg.; Greater London; Hybrid; GBP 120,000 - 180,000; Full time

Benefits offered by this job

Equity

Hybrid work

Job summary

trg. is building an agentic AI platform that automates complex, document-heavy operational workflows for regulated enterprises in London.

This founding-level CTO role will own the technical direction and architecture, lead a small, high-calibre engineering team, and be the technical voice of the business in front of enterprise customers and investors. Expect a real split between building with the team and sitting in the room with senior customer stakeholders.

Qualifications

• Experience as a CTO, Head of Engineering or senior technical leader in a startup with growth expectations.
• Track record of shipping software at scale in regulated environments (e.g., financial services).
• Hands-on expertise with LLMs and agentic systems, backed by LangChain/LangGraph/LlamaIndex/Ollama.
• Experience deploying into large enterprise environments, including security and integration work.

Responsibilities

• Own the technical direction and architecture for the platform.
• Lead a small, high-calibre engineering team and serve as the technical voice to customers and investors.

Skills

Technical leadership

Shipping at scale

LLMs

Security/compliance

Enterprise adoption

Tools

LangChain

LangGraph

LlamaIndex

Ollama

Job description

trg. is building an agentic AI platform that automates complex, document-heavy operational workflows for regulated enterprises in London.

This founding-level CTO role will own the technical direction and architecture, lead a small, high-calibre engineering team, and be the technical voice of the business in front of enterprise customers and investors. Expect a real split between building with the team and sitting in the room with senior customer stakeholders.