Software Engineer, Voice

Enterprise conversational-AI platform that helps businesses build and operate customer-experience agents across channels.

San Francisco, United States
About Sierra

Sierra provides an AI platform for businesses to build, deploy, analyze, and optimize customer-facing agents across chat, SMS, WhatsApp, email, voice, and ChatGPT.

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Skills

Candidate Availability

Required and preferred rules are kept separate and reflect the wording in the original posting.

About the Role

You will build speech transcription and synthesis capabilities, adapt agent runtime systems for real-time audio, handle call interruptions and transfers, scale infrastructure for millions of calls, and integrate telephony and call-center systems.

Requirements

  • 4+ years of hands-on experience building production products and systems
  • Full-stack development
  • Computer science knowledge or equivalent professional experience

Responsibilities

  • Build speech-to-text and automatic speech recognition infrastructure
  • Build speech synthesis capabilities
  • Adapt agent runtime systems for real-time audio streams
  • Handle interruptions, disconnects, and transfers reliably
  • Scale infrastructure for millions of calls
  • Build telephony and call-center integrations

Benefits

  • Flexible unlimited paid time off
  • Medical, dental, and vision benefits for employees and families
  • Life insurance and disability benefits
  • Retirement plan dependent on country of employment
  • Parental leave
  • Fertility and family-building benefits through Carrot
  • Lunch, snacks, and coffee
  • Discretionary benefit stipend
  • Free alphorn lessons
  • Equity plan participation