Lead AI Systems Engineer — LLM Pipelines & Production

Bjak; City Of London; On-site; GBP 70,000 - 100,000; Full time

Job summary

A self-funded AI group in the UK is seeking a Principal Engineer to lead the design and implementation of their AI systems. You will build core AI applications, optimize model quality, and mentor engineers. The ideal candidate has over 6 years of engineering experience, strong skills in machine learning, and is proficient in Python along with a backend language. This role is a unique opportunity to work on impactful projects in a high-performance team.

Qualifications

• Minimum 6 years of engineering experience required.
• Hands-on experience with machine learning is essential.
• Familiarity with production-level LLMs and RAG necessary.

Responsibilities

• Design and implement end-to-end AI systems.
• Build training, inference, and evaluation pipelines.
• Write production orchestration and feedback code.
• Optimize latency, cost, and model quality.
• Review PRs and mentor junior engineers.

Skills

Engineering experience

Machine Learning

Production LLM / RAG experience

Python

Backend development experience

Job description

A self-funded AI group in the UK is seeking a Principal Engineer to lead the design and implementation of their AI systems. You will build core AI applications, optimize model quality, and mentor engineers. The ideal candidate has over 6 years of engineering experience, strong skills in machine learning, and is proficient in Python along with a backend language. This role is a unique opportunity to work on impactful projects in a high-performance team.