Integration Architecture, Orchestration, Apis, Sql, Typescript, Linux, Marketing Automation, Webrtc, Python, Evaluation and guardrails, Contact centre systems, Cloud platforms, Contact centre platforms, VoIP, Agents and tool calling, Retrieval-augmented generation, Real-time voice or telephony, LLM application architecture, SIP, Networking fundamentals, CRM, LLM application or multi-agent frameworks