Quick overview
Job description
• Design and build Python backend services and REST/Fast APIs, including event-driven pipelines that react to UI edits (re-validation, re-indexing, impact analysis).
• Build a responsive React and TypeScript front end, following the client's existing UI standards.
• Model and query graph data in Neo4j (Cypher), working with the knowledge graph architect on schema, constraints and performance.
• Integrate LLM services through an approved, model-agnostic gateway: prompt orchestration, structured outputs, guardrails and evaluation hooks.
• Implement SSO integration, role-based access (viewer, editor, steward, admin) and audit logging.
• Write tests, set up CI/CD, and deploy to on-premises environments through the client's release process.
• Work in a small cross-functional squad with data engineers, a KG architect and the client's governance stakeholders; demo regularly and turn feedback into working software.
Must have
• 6+ years of professional software engineering, with at least 3 years building full-stack production applications.
• Strong Python backend skills (FastAPI, Django or Flask): API design, async processing, background jobs and workflow logic.
• Strong React and TypeScript, including complex forms, data grids, file upload and state management.
• Hands-on experience integrating LLMs into applications: prompt design, structured or JSON outputs, retrieval, and handling non-deterministic outputs safely.
• Solid engineering practice: clean architecture, automated testing, code review, Git, CI/CD and containerisation (Docker; Kubernetes a plus).
• Experience shipping software into regulated or enterprise environments with SSO, access control and audit requirements.
Nice to have
• Neo4j or another graph database (Cypher, graph data modelling).
• MCP servers, agent frameworks (LangGraph or similar) or tool-calling APIs.
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