Original Land, a Swiss tech company in Lugano building private-AI and Web3 solutions, is hiring a full-stack developer to work on AI-agent features (multi-agent architectures, RAG pipelines, streaming chat), on-chain tools, and backend APIs/dashboards. Core stack: TypeScript/Node.js, LangChain, MongoDB, Redis/BullMQ, AWS. Hybrid role based in Lugano, ~50k CHF/year.