AI Platform Engineer

Oliver Bernard; Greater London; On-site; GBP 150,000 - 200,000; Full time

Job summary

Oliver Bernard in London is seeking an AI Platform Engineer to turn models into reliable, production-grade products. You will own APIs connecting data, models and user interfaces, and manage authentication, permissions, logging and monitoring. You’ll also handle model orchestration and cost tracking.

The role emphasizes LLM endpoint integration, observability and frontend support for internal tooling. PhD candidates are welcome; the position offers a 4-day week in Central London.

Qualifications

• API design experience using FastAPI or similar.
• Experience integrating LLM APIs and model endpoints.
• Strong grounding in observability, logging and production reliability.
• Frontend ability to support internal tooling.

Responsibilities

• APIs connecting data, models, and user interfaces.
• Authentication, permissions, logging & monitoring.
• Model/tool orchestration.
• Usage, cost & error tracking.
• Review queues and audit trails.
• Internal tools powering research and client-facing content.

Skills

API design experience

LLM API integration

Observability & reliability

Frontend tooling for internal use

Education

PhD background

Job description

AI Platform Engineer - £150-200k - 4 days a week in Central London

We are working with a fast-growing financial research and technology firm that builds AI-driven investment products for institutional clients, combining deep domain expertise with large language models to generate data-driven insights and trade ideas. Our client is part of a larger group but operates with its own distinct, entrepreneurial culture.

They're now hiring an AI Platform Engineer to turn their team's models and agents into reliable, production-grade products.

You'll own:

• APIs connecting data, models, and user interfaces
• Authentication, permissions, logging & monitoring
• Model/tool orchestration
• Usage, cost & error tracking
• Review queues and audit trails
• Internal tools powering research and client-facing content

What you'll need:

• API design experience (FastAPI or similar)
• Experience integrating LLM APIs / model endpoints
• Solid grounding in observability, logging, and production reliability
• Enough front-end ability to support internal tooling

Ideally targeting candidates from a PhD background

AI Platform Engineer - £150-200k - 4 days a week in Central London