Content Designer
zof aiMillbrae, CA
About the role
Compensation Competitive salary
Plus meaningful equity
Location San Francisco, CA
Job Details Full-time
Mid-level
On-site
About This Role Zof AI is seeking a Content Designer to shape how our AI talks to the people who depend on it: tone, flow, and above all how it handles uncertainty. When the AI is confident, unsure, or wrong, what it says next is a designed decision, and this role owns it. Sitting between design, product, and AI engineering, the ideal candidate treats language as an interface, tests their work against real transcripts, and knows that trust in an AI product is won or lost sentence by sentence.
Responsibilities:
Design the conversational behavior of Zof AI products: tone, personality, and flow.
Design how the AI handles uncertainty: when it hedges, asks, or escalates.
Write and test system prompts and response guidelines with AI engineers.
Design human-handoff moments so escalation feels safe, not broken.
Review real transcripts and iterate on how conversations actually go.
Partner with the evals team to make conversation quality measurable.
Keep a consistent voice across product surfaces and channels.
Raise the bar for how the product communicates under every condition.
Requirements:
Experience in conversation design, UX writing, or content design.
Working understanding of how LLM systems behave and fail.
Excellent command of tone, clarity, and voice.
Ability to prototype and test conversational flows.
Comfort collaborating closely with engineers.
Attention to detail and a high quality bar.
Clear communication.
Comfort operating in a fast-moving environment.
Nice to have:
Experience designing for chatbots, agents, or voice interfaces.
Experience with prompt engineering or system prompt design.
Background in linguistics, writing, or human-computer interaction.
Experience designing for trust, safety, or escalation flows.
What we provide in San Francisco Mac Book Pro
Premium AI development tools
Cursor Ultra
Claude Code Ultra
OpenAI Codex Max or equivalent advanced AI tooling
Access to a high-performance AI product environment
Close collaboration with leadership, engineering, and customers
Opportunity to work in the San Francisco AI ecosystem
Wellness and productivity support where applicable
Competitive startup environment
High ownership
Direct product impact
Benefits:
Benefits may depend on role and final offer terms.
Conversation DesignUX WritingAI Behavior Voice and Tone Prompt Design
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JOB OVERVIEW
Experience level
Senior
Location
Millbrae, CA
Occupation
Web and Digital Interface Designers
Industry
Software Publishers
Posted
yesterday
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