Cresta · 15 hours ago
Voice Expert
Cresta is a company focused on transforming customer conversations into competitive advantages through AI and human intelligence. The Voice Expert will create and deliver exceptional voice experiences for Cresta’s AI Agents by collaborating with clients, managing voice creation processes, and establishing best practices in voice design.
Telecom & CommunicationsArtificial Intelligence (AI)Intelligent SystemsMachine LearningNatural Language ProcessingTelecommunications
Responsibilities
Define and champion the creative vision for the voice experience of Cresta’s AI Agents, establishing Cresta’s credibility and thought leadership in voice experience design
Collaborate with Cresta customers (client facing role!) to co-create a "voice brand" specific to each customer’s unique business requirements/needs. Lead customer-facing workshops to translate brand voice requirements into specific voice selections or professionally cloned voices (PVC)
Produce the complete end-to-end PVC process with Text-to-Speech (TTS) vendors, including voice actor sourcing, coaching/directing, recording, audio editing/engineering, and voice fine-tuning
Curate a diverse selection of voices to optimize for various industries and use cases and business categories
Develop and document voice experience best practices tailored to verticals, personas, and brands
Partner with Conversation Designers to design natural-sounding micro-interactions and define prompts for Large Language Models (LLMs) that optimize transcripts for TTS read-aloud quality
Continuously refine the evaluation criteria for voice experience in collaboration with NLP specialists, and evaluate voices from various vendors
Qualification
Required
Voice Experience Mastery — The ability to define, evaluate, and craft what 'great' sounds like. This includes prosody, pacing, emotional tone, turn-taking, and repair strategies that make AI conversations feel human and intentional—not mechanical. They know how to direct or tune voices until every moment feels natural, expressive, and brand-aligned
Brand & Persona Design — Skill in translating a company's identity and values into a consistent brand voice. They can codify tone, timbre, rhythm, and emotional nuance into style guides and voice recordings that make the AI sound distinct, trustworthy, and alive across every interaction
Product & Creative Leadership — The vision and drive to connect user experience, technology, and brand goals into a cohesive roadmap. This person partners across design, product, and engineering, sets measurable quality bars, and ensures that improvements to voice experience actually move core business metrics and customer perception
Preferred
Basic Fluency in Speech Technology & Evaluation — Solid working knowledge of ASR, TTS, and real-time interaction systems—enough to collaborate with engineers, read metrics like MOS, latency, and WER, and make informed tradeoffs
Audio Editing – Working experience with audio editing (e.g., podcast, music, movie) and sound engineering
Benefits
Comprehensive medical, dental, and vision coverage with plans to fit you and your family
Flexible PTO to take the time you need, when you need it
Paid parental leave for all new parents welcoming a new child
Retirement savings plan to help you plan for the future
Remote work setup budget to help you create a productive home office
Monthly wellness and communication stipend to keep you connected and balanced
In-office meal program and commuter benefits provided for onsite employees
Company
Cresta
Cresta uses artificial intelligence to assist sales and service agents in the quality of customer service.
H1B Sponsorship
Cresta has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (9)
2024 (6)
2023 (2)
2022 (10)
2021 (4)
2020 (3)
Funding
Current Stage
Late StageTotal Funding
$276MKey Investors
Qatar Investment Authority,World Innovation LabTiger Global ManagementSequoia Capital
2024-11-19Series D· $125M
2022-03-17Series C· $80M
2021-03-31Series B· $50M
Recent News
Global Venturing
2026-01-21
cresta.com
2026-01-21
2026-01-21
Company data provided by crunchbase