5+ years Python API development experience Experience integrating services with a central orchestrator or comparable routing layer Experience building document / artifact generation and export endpoints Solid REST API design skills Senior-level Python engineer with strong system design skills Hands-on FastAPI and LangGraph experience Proven experience decoupling monolithic orchestration logic into modular, independently deployable services 5+ years backend engineering experience with a security / trust-and-safety focus Experience with content-filtering or policy-enforcement engines Familiarity with human-in-the-loop review workflow design and prompt-injection defenses Robust Python skills 3+ years data engineering experience with API integration and pipeline design Experience with source-grounding / citation pipeline design Experience with risk-management or lessons-learned enterprise workflow data a plus