Sierra

Technology

SoftwareEngineer,Voice

$230–390k San Francisco, California, United States FULL TIME
Market Sentiment
HIGH DEMAND

Neural analysis suggests this role is
optimal for Mid candidates.

The Brief

“Software Engineer, Voice at Sierra. Skills: AI products, Full-stack solutions, Speech technology. Enable accurate speech-to-text. Enable automatic speech recognition”

What You'll Achieve.

Achieve customer impact

Industry & Context.

Technology
Problems you'll solve

Overcome obstacles

What They're Looking For.

Must Have

4+ years hands-on experience, Build and ship full-stack solutions, Degree in Computer Science or related field, Equivalent professional experience

Nice to Have

Experience building AI-powered products, Experience with Go, Experience with Typescript, Experience building developer tooling, Experience building programming languages, Experience building databases, Leadership experience on technical projects, Leadership experience on technical teams

What You'll Do.

Enable accurate speech-to-text

Enable automatic speech recognition

Build infrastructure for low latency

Generate precise speech

Match customer brand and style

Adapt agentic loop for audio streams

Handle interruptions reliably

Handle disconnects reliably

Handle transfers reliably

Build infrastructure for millions of calls

Build real-time integrations to telephony

Build real-time integrations to call centers

Make outbound phone calls

Full Job Description

ABOUT US - At Sierra, we’re creating a platform to help businesses build better, more human customer experiences with AI. We are primarily an in-person company based in San Francisco, with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Japan, and Sydney. - We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These values are the foundation of our work, and we are committed to upholding them in everything we do. - Our co-founders are Bret Taylor https://www.linkedin.com/in/brettaylor/ and Clay Bavor https://www.linkedin.com/in/claybavor/. Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace.  WHAT YOU’LL DO - Transcription: How do we enable accurate speech-to-text and automatic speech recognition across 100s of languages? What infrastructure do we need to do this at low latency? - Synthesis: How do we generate speech that is precise and matches each customer’s desired brand and style? - Runtime: How do we adapt our agentic loop to accept real-time streams of audio, instead of just text? How do we ensure we handle interruptions, disconnects, and transfers reliably? - Scaling: Build the infrastructure to enable Sierra to handle millions of calls a day. - Telephony: Build real-time integrations to telephony systems and call centers to enable Sierra to pick up the phone, and make outbound phone calls, reliably. WHAT YOU'LL BRING - A passion for being on the frontier of AI products. - Motivation and

Free ATS check

Applying for this Software Engineer, Voice role?

Most applicants get filtered before a human reads their resume. See if yours makes the cut.

How to Apply on Ashby

  • Ashby is a fast modern ATS — most applications take under 3 minutes.
  • The resume parser is strong; verify parsed experience dates and job titles.
  • Custom screening questions are often scored algorithmically — answer completely.
  • Location field affects geo-based screening; use your actual metro area.

ANONYMOUS · UNFILTERED

What do employees actually say about Sierra?

Real rants from real employees. Read before you apply.

Read Company Rants →