Staff Software Engineer, Gustie Assist

📋 Description

• Design and build across the Otto platform, including the runtime and agent graph, the tool/action
• Expand what the agent can safely do: autonomous, tool-using actions with human-in-the-loop
• Build the eval and observability systems (LLM-as-judge + deterministic scorers, offline gates and
• Work directly with LLMs, including prompting, tool/function design, retrieval, and the feedback
• Partner closely with Product, Data, Design, and CX teams to turn advocate and customer pain into
• Mentor engineers and set the bar for how we build agentic systems responsibly and at scale

🎯 Requirements

• Typically 8+ years of software engineering experience, owning systems end-to-end
• You\'ve built and shipped LLM-powered or agentic systems in production, including
• Strong full-stack range. Must be comfortable moving between backend services, an LLM runtime, and
• Experience owning multi-quarter projects that make measurable user impact at scale
• Sound judgment about safety and blast radius when software takes real actions on real accounts
• Ability to mentor engineers and raise the bar around you

🎁 Benefits

• Competitive base pay, benefits, and equity (RSUs) — because everyone who helps build Gusto should
• Opportunity to work with AI and grow fluency as the technology evolves