Staff Software Engineer, Applied AI

Ruxlo is hiring a Staff Software Engineer, Applied AI to set technical strategy and build production AI systems across its real estate platform. The role spans LLM-powered product features and autonomous agents, including their architecture, evaluation, safety, reliability, and cost.

Responsibilities:

• Own the architecture of Ruxlo's AI systems end to end: model access and routing, retrieval, prompt and tool layers, agent runtime, evaluation and cost
• Ship LLM-powered product features, including natural language search, summarization, structured extraction and classification over property, ownership and contractor records
• Ship autonomous background agents that verify, reconcile and enrich records and keep them fresh
• Ship agents that act on a user's behalf, such as requesting quotes, following up with contractors, importing work history and filing documents, with the user's consent at each consequential step
• Design durable, long-running agent workflows on a durable-execution engine such as Temporal, with retries, timeouts, idempotent tool calls and safe resume after failure
• Stand up evaluation for every AI feature: golden datasets, offline evaluation, regression gates in continuous integration and production sampling
• Set the standards for safe AI use, including prompt-injection defense, least-privilege tool access, delegated authority scoped to what the user could do themselves, and audit trails the user can review
• Make sound build-versus-buy calls across model providers, frameworks and vector stores, and treat cost and latency as first-class constraints alongside
• Build shared AI tooling, skills and Model Context Protocol servers, and mentor engineers on building with AI