Software Engineer, Voice Product

X.ai; Palo Alto (CA); On-site; USD 180,000 - 440,000; Full time

Benefits offered by this job

Equity

Medical

Vision & Dental

401(k)

Disability

Life Insurance

Discounts

Job summary

SpaceXSI in Palo Alto is seeking a Software Engineer, Voice Product to design, build, and ship voice features across iOS, Android, and other surfaces. You will own backend engineering for scalable voice infrastructure and collaborate with Grok Voice model, media, and product teams to deliver end-to-end experiences.

The role emphasizes performance, reliability, and user experience at global scale, requiring a generalist with backend focus and a passion for AI-driven voice products.

Qualifications

• Experience with Python or Rust.
• Experience shipping features on iOS and/or Android.

Responsibilities

• Own backend engineering for scalable, low-latency voice infrastructure and model integrations.
• Collaborate directly with Grok Voice model, media, and product teams to deliver end-to-end experiences.
• Drive performance, reliability, and quality of voice interactions at global scale.
• Move fast across platforms and product groups as a generalist.

Skills

Python

Rust

iOS/Android

Job description

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next.

SOFTWARE ENGINEER, VOICE PRODUCT

The Grok Voice Product team builds seamless, world-class voice experiences for Grok across every platform and product surface. In this role, you will be responsible for designing, building, and shipping voice features across all surfaces. You will have the opportunity to collaborate across iOS, Android, and all product groups.

RESPONSIBILITIES:

• Own backend engineering for scalable, low-latency voice infrastructure and model integrations
• Collaborate directly with Grok Voice model, media, and product teams to deliver end-to-end experiences
• Drive performance, reliability, and quality of voice interactions at global scale
• Move fast across platforms and product groups as a generalist

BASIC QUALIFICATIONS:

• Experience with Python or Rust
• Experience shipping features on iOS and/or Android

PREFERRED SKILLS AND EXPERIENCE:

• Strong track record of writing clean, efficient, maintainable, and scalable code
• Deep interest in voice/audio AI
• Strong generalist engineer with backend focus
• The ability to work across all product groups and do whatever it takes for best user experience
• Background in AI-driven consumer products or media generation technologies
• Track record collaborating across engineering, research, and product teams to ship delightful features quickly

COMPENSATION AND BENEFITS:

$180,000 - $440,000 USD

Base salary is just one part of our total rewards package at SpaceXSI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.

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