2 of 2 Remote/Hybrid FastAPI Jobs in the City of Westminster

document intelligence and custom tools, with a focus on evaluation pipelines, model routing, and agent/tool orchestration and permissions. Working with Python (including FastAPI), specifically LangChain (and LangGraph where necessary), SQL and scalable (vector) databases. Enforcing rigorous evaluation to cover edge cases and determine specific mitigations for prompt injection ...

Responsible for leading the design and development of our core applications and internal tools, including multiple production UIs built using Python-centric stacks (e.g. FastAPI, Jinja, HTMX, Tailwind). Responsible for making and guiding implementation decisions across backend services, APIs and application architecture. Contribute directly to production code, setting … pragmatic approach to debugging and system design. Comfort working in evolving environments where priorities change and ambiguity exists. Nice to Have Skills Experience with FastAPI or similar Python web frameworks. Experience with infrastructure-as-code and cloud platforms. Familiarity with lightweight frontend approaches (e.g. server-rendered HTML, HTMX, utility-first ...