Backend / Systems Engineer (FastAPI / Python)

Job Description Roles & Responsibilities We re hiring an experienced Backend / Systems Engineer to take ownership of the API architecture and core backend services for a high-profile digital transformation programme. This is a critical role where you ll design and build the backend systems that power executive dashboards, enterprise workflows, operational platforms, and AI-enabled services. What You ll Own: API architecture endpoint design, request/response contracts, versioning, OpenAPI specs Authentication & Authorisation Azure AD SSO, MFA, RBAC Workflow engines approval flows, posture transitions, action tracking with immutable audit trails Session management Redis-backed sessions, token refresh, expiry handling Integration patterns enterprise systems and service orchestration Testing standards unit, integration, and contract testing CI/CD pipelines GitHub Actions, Azure App Service deployments Desired Candidate Profile Backend / Systems Engineer (FastAPI / Python) Senior / Lead Type: 12 Month Contract (transfer to perm) The Opportunity As the lead backend engineer, you ll architect the API layer that all frontends, integrations, and services depend on. Your first project will be delivering the FastAPI backend for an executive reporting portal, supporting: Budget and financial data KPI dashboards Approval workflows Action tracking Role-based access controls Longer term, you ll help shape the backend backbone for: Crisis management systems Operational dashboards AI agent service endpoints Enterprise systems integrations Communications and notification services Key Skills & Experience: Strong expertise in FastAPI and Python 3.10+ Proven experience designing scalable REST APIs in enterprise environments Deep knowledge of PostgreSQL, SQLAlchemy, and transaction management Experience with Azure AD / OAuth 2.0 / JWT / RBAC Strong hands-on experience with Redis for session handling and caching Experience with Docker, Azure App Service, and GitHub Actions Strong testing experience using pytest Experience designing state machines / multi-step workflows Excellent architectural thinking and stakeholder communication skills Company Industry IT - Software Services Department / Functional Area IT Software Keywords Backend / Systems Engineer (FastAPI / Python) Get real-time job updates only on our App