Close is hiring a Software Engineer embedded in the Support function (USA only, remote) to design and ship internal AI drafting tools, autonomous reply systems, workflow automation, reporting dashboards, and customer self-service diagnostics. The role requires 3+ years of software engineering experience, fluency in languages such as Python, Rust, Go, or TypeScript/JavaScript, and experience with information retrieval/semantic search/RAG; the engineer will work closely with Support and report to the Director of Support.