AI Engineer – Legal AI Platform (London) | Equity

Matter Intelligence; City Of London; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

A leading legal tech firm in London is seeking an exceptional AI engineer to shape the future of legal work. You will design and refine production-grade LLM systems, lead evaluation framework development, and contribute to advanced prompt engineering. The ideal candidate will have expert-level Python experience and a solid grounding in NLP. This role offers a competitive salary, meaningful equity, and the opportunity to work in a collaborative startup environment.

Benefits

Competitive salary

Early-stage equity

Budget for learning and professional growth

Bi-annual team retreats

Qualifications

• Hands-on experience shipping production LLM systems.
• Ability to juggle token limits and costs.
• Experience with evaluation pipelines.

Responsibilities

• Design and build production-grade LLM agents.
• Lead development of evaluation frameworks and metrics.
• Drive prompt-engineering practice to maximize model efficacy.

Skills

Expert-level Python

Designing LLM agents

NLP fundamentals

AI evaluation frameworks

Tools

LLM systems

RAG pipelines

Job description

A leading legal tech firm in London is seeking an exceptional AI engineer to shape the future of legal work. You will design and refine production-grade LLM systems, lead evaluation framework development, and contribute to advanced prompt engineering. The ideal candidate will have expert-level Python experience and a solid grounding in NLP. This role offers a competitive salary, meaningful equity, and the opportunity to work in a collaborative startup environment.