Content Designer, Personalization

Lead content strategy for agentic products; set voice and tone standards. Design, author, and evaluate prompts and system instructions. Build reusable prompt templates, experiments, and guardrails. Write accessible in-product language (microcopy, help text, errors). Collaborate with PMs, designers, researchers, and engineers on content needs. Based in New York or Boston; remote work with some in-person meetings. Experienced content designer and UX writer with a strong portfolio. Background in conversation design and voice/tone guidelines. Hands-on with LLMs, prompt design, and evaluation; zero-shot vs few-shot. Navigates ambiguity and collaborates across teams to solve complex flows. Bonus: LLM-as-a-Judge frameworks, evaluation scaling, or scripting. Health insurance Six-month paid parental leave 401(k) retirement plan Monthly meal allowance 23 paid days off; 13 holidays; paid sick leave Equity

Key Responsibilities

• Lead content strategy for agentic products and set voice standards
• Design, author, and evaluate prompts and system instructions
• Build reusable prompt templates, experiments, and guardrails
• Write accessible in-product language (microcopy, help text, errors)
• Collaborate with cross-functional team on content needs

Required Skills & Qualifications

• Experienced content designer and UX writer with a strong portfolio
• Background in conversation design and voice/tone guidelines
• Hands-on with LLMs, prompt design, and evaluation
• Navigates ambiguity and collaborates across teams to solve complex flows
• Experience with LLM-as-a-Judge frameworks, evaluation scaling, or scripting