Staff AI Engineer
On-siteLondon, England, United Kingdom
Job Summary
Design and implement complex, high-impact agentic AI solutions that drive shopper experience, platform automation, and internal efficiency. Establish robust evaluation strategies for LLM agents focusing on performance, latency, and quality, while owning deployment, scaling, and monitoring of agentic applications in production. Define agentic platform architecture, enable best practices across the engineering organization, and translate frontier developments in models and toolchains into actionable building standards. Work closely with product, design, and machine-learning teams to accelerate delivery using our AI-native development harness.
Required Qualifications
- Deep understanding and hands-on experience with modern agentic development frameworks (e.g. Pydantic AI)
- Familiarity with designing and implementing complex, multi-step agentic workflows, including planning and reasoning capabilities
- Proven ability to design and implement robust evaluation strategies for LLM agents, including metrics for performance, latency, and quality
- Expertise in advanced context management techniques, including retrieval-augmented generation (RAG), memory structures, and context window optimisation
- Experience deploying and monitoring agentic applications in production environments, including scaling, monitoring (OTEL), cost, and token usage
- You've taken agentic systems from concept through to production and are comfortable being accountable for how they perform in the real world
Desired Qualifications
- Comfort with backend development and event-driven architecture. Our stack includes Python, FastAPI, Postgres, Kafka, and MQTT
- Experience with IoT, edge computing, or hardware-adjacent systems
- Familiarity with retail technology, commerce platforms, inventory systems, loyalty programs, or customer personalisation
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