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About the Role

We are seeking an experienced Senior Conversation Designer to join our team building and iterating on our generative AI voice system. This role requires a designer and builder mindset to advance our product, crafting exceptional conversational experiences that feel natural, intuitive, and helpful to users across voice and chat.

Responsibilities

Dig into conversation transcripts and metrics to identify user friction points.
Evaluate model performance in production.
Partner with engineers to define prompts and guardrails for generative AI.
Create a consistent voice, tone, and personality.
Debug fallback paths.
Push prompt changes into GitHub.
Report to the Head of Product.
Partner with the Lead Conversation Designer to apply and contribute to design standards and processes.
Collaborate with product, engineering, and operations to align conversation design with product strategy.
Drive research and testing, including user research, usability testing, A/B testing, QA, and regression testing.
Design end-to-end conversational flows for generative AI capabilities, for both voice and chat, that incorporate conditional logic, parameter handling, and tool calls.
Build robust error handling and fallback mechanisms for conversation recovery.
Create and test dialog that maintains a consistent voice, tone, and personality across the product.
Analyze conversation transcripts, audio, and metrics to identify friction points and turn them into concrete design improvements.
Define and document conversation design standards, best practices, and reusable patterns that scale across experiences.

Requirements

7+ years of experience designing conversational interfaces (voice assistants, IVR systems, or any kind of voice AI).
Demonstrated expertise with both traditional NLU frameworks and generative AI/LLM technologies.
Experience contributing to design standards and following established processes.
Experience evaluating generative AI agents and with metrics-driven design.
Proven ability to design and build technically complex flows with multiple logical branches.
Experience with parameter extraction, validation logic, and dynamic response generation.
Strong understanding of programming concepts like variables, loops, and conditional statements.
Proficiency implementing conversation flows that integrate with external systems via APIs.
Proficiency with conversation design tools and prototyping platforms.
Excellent written and verbal communication skills, with an ear for natural language.
Active, hands-on use of AI tools in your daily workflow.
Strong understanding of linguistics, conversation analysis, and pragmatics.
Experience with evaluation and analytics tools for measuring conversation performance.
Understanding of accessibility considerations in voice and text interface design.
Experience in the restaurant or hospitality industry.
Familiarity with prompt engineering for large language models.
Background in content design, content strategy, or UX/UI design.
Fluency in Spanish or French.

Skills

Generative AI
Voice AI
Chat AI
NLU frameworks
LLM technologies
Prompt engineering
API integration
Conversation design tools
Prototyping platforms
Natural language processing
Linguistics
Conversation analysis
Pragmatics
Accessibility design
Content design
Content strategy
UX/UI design

Location

NYC HQ

Work Type

Hybrid
Full-time

Experience Level

Senior

Salary/Compensations

$155,000 – $198,000

Benefits

Competitive salary and equity package
Comprehensive benefits, including health, dental, and vision insurance
Professional development support

About the Company

Slang's conversation design practice holds itself to the highest standards in the industry, valuing both user-centered thinking and technical fluency.
Our conversation designers are embedded in the engineering team, hold the vision for the overall product implementation, and advise engineers on what to build.
We have backgrounds building product at companies like Spotify, BuzzFeed, the New York Times, and OpenTable, shipping experiences that have reached hundreds of millions of users.
We are using our backgrounds to build a culture that puts product and human-centered design above all else while fostering constant learning and growth.
Calling a business shouldn’t feel like a robot-hostage situation, where you’re forced to listen to horrible music and can’t reach a human, while enduring a soulless voice uttering “I’m sorry, I didn’t quite get that” on repeat for eternity. That’s why we started Slang AI.
We use the latest AI and audio wizardry to make transacting via voice so enjoyable it’s more human than human.
By 2030, we will save businesses and consumers 1 billion minutes of precious time while transforming voice channels into the preferred mode of communication (it’s faster and easier than text).
Our Values: AI Native. Overachiever Fever. Humility Ability. Be a Good Host.