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Salary: USD 180,000 - 220,000 / annual
Decagon is a conversational AI platform enabling enterprises to deploy AI agents for customer support and operations across voice, chat, email, SMS, and other channels. Customers include Avis Budget Group, Block's Cash App and Square, Chime, Oura Health, and Hunter Douglas.
As an Agent UX Designer on the Agent Experience Design team, you will shape what great AI conversation experiences look and sound like across channels and languages for enterprise customers worldwide. You'll work directly with customers and internal teams to improve agent quality, particularly in voice—one of Decagon's fastest-growing channels—and build systems and resources to scale your expertise.
Key responsibilities include:
- Design and optimize enterprise-grade AI conversation experiences across chat, voice, SMS, and email channels
- Serve as a trusted advisor to customers and internal stakeholders on conversation design best practices
- Evaluate voice quality and interaction patterns to maintain a high bar for naturalness and appropriateness
- Build repeatable frameworks for assessing conversation and voice performance
- Enable the Customer team to apply strong design judgment independently
- Partner crossfunctionally with Engineering and Product to investigate quality gaps and drive improvements through clear recommendations
- Share learnings and create documentation on best practices to improve consistency and raise the quality bar across deployments
This role spans research, design, enablement, and product strategy. You'll advise customers and internal teams on conversation design and voice selection, evaluate and iterate on voice quality across providers and languages, build playbooks and rubrics that scale best practices, and partner with Engineering and Product to translate field insights into platform improvements.
Decagon is backed by a16z, Accel, Bain Capital Ventures, Coatue, and Index Ventures. The company is in-office, driven by shared commitment to excellence and velocity.
Requirements:
- 3–5+ years of relevant experience (e.g., voice experience design, conversation designer, product manager, applied linguistics)
- Experience building evaluation frameworks, rubrics, or QA processes
- Strong communicator across technical and business contexts
- Comfortable working close to the product in a fast-moving environment
Preferred qualifications:
- Native or professional fluency in Spanish and/or familiarity with other languages
- Experience with TTS providers or speech synthesis tools
- Hands-on experience with frontier AI tools and deployment in enterprise or high-impact settings
About Decagon
AI / Data / Infrastructure; SaaS / Enterprise Software — AI agents for customer support and enterprise operations.
