APIs using Python and FastAPI or Flask. Develop application functionality using Elasticsearch and other search or data services. Implement secure authentication and authorisation, including OAuth2 and Microsoft Entra ID integrations. Produce clean, maintainable, version-controlled, and well-tested code. Integrate frontend applications with internal APIs, services, and data sources. Diagnose … commercial experience with React, Next.js, and TypeScript . Experience designing and consuming REST APIs. Knowledge of Elasticsearch or comparable search indexing technologies. Experience with OAuth2 authentication flows , ideally involving Microsoft Entra ID. Experience with Git and modern source control practices. Knowledge of automated testing and software quality practices. Understanding ...