About this role
Salary: £90,000 - 100,000 per year
Requirements: 5+ years of commercial Python engineering experience, including production backend systemsStrong FastAPI, REST API, asynchronous Python, PostgreSQL, and SQL experienceDemonstrable experience integrating LLMs into real applications, beyond personal or experimental projectsStrong knowledge of Docker, Kubernetes/OpenShift, CI/CD, and pytestExperience working with large codebases and safely improving existing servicesCurrent or recently held SC clearanceKnowledge of Azure, RAG, pgvector, Chroma, FAISS, Entra ID, OAuth/OIDC, Redis, Terraform, Prometheus, or OpenTelemetry would strengthen your application Responsibilities: Engineer Python backend services and APIs using FastAPI and asynchronous development patternsDesign and integrate LLM capabilities using OpenAI, Azure OpenAI, or comparable foundation modelsBuild practical RAG, enterprise search, and document intelligence solutions using embeddings and vector databasesDevelop prompt strategies and manage production considerations, including latency, cost, retries, and rate limitsExplore agentic workflows and LLM orchestration using LangChain or similar frameworksWork with consultants and customer stakeholders to translate operational problems into practical AI solutionsImprove security, testing, observability, and reliability across deployed applicationsHelp organisations explore how AI can improve complex operational processes, information discovery, and decision supportTake ideas from discovery and prototype stages into secure, reliable services, working alongside architects, consultants, and frontend engineers Technologies: AIAPIAzureBackendCI/CDDockerFastAPIFrontendSupportKubernetesLLMOAuthOpenTelemetryOpenShiftPostgreSQLPrometheusPythonRAGRESTRedisSQLSecurityTerraformpytestCloud More:
We are working with a technology consultancy expanding its AI engineering capability across major law enforcement and public sector transformation programmes. This Python Engineer role combines deep technical work with consultancy exposure and challenging public sector problems, within multidisciplinary consulting teams. We welcome you to discuss the opportunity with us.
last updated 40 week of 2026