XA
xAIMachine Learning Engineer, Ads
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Before you apply
Salary$180k – $440k
LocationPalo Alto, CA, Palo Alto, CA
Work modeon-site
Typefull-time
SeniorityMid
Experience3+ yrs
DepartmentEngineering
EquityIncluded
Company size1,001–5,000 people
PostedDec 3, 2025 · 11mo ago
Verified live2d ago
May no longer be actively hiring
Posted by the company on Dec 3, 2025
At a glanceSummarised by Seekless from the posting.
3+ years of industry experience working on large-scale, high-throughput AI-powered advertising products
Skills
Grok
Bidding
Auction
Ranking
Prediction
Benefits
Equity
Medical coverage
Vision coverage
Dental coverage
401(k)
Short term disability insurance
Long term disability insurance
Life insurance
About the company
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.
MACHINE LEARNING ENGINEER, ADS
We’re looking for exceptional engineers who want to join us on a new project to integrate Grok into all parts of our Ads Platform. We’re looking for individuals who have built exceptional advertising products and systems at a massive scale across bidding, auction, marketplace, ranking, prediction, and product. We’re bringing SpaceXSI’s technology stack to Ads Platform and using it to transform our advertising stack.
RESPONSIBILITIES:
•
Leverage the latest Grok models to power all stages of our advertising stack, from candidate selection to ranking, auction, campaign optimization, creative generation, and advertiser experience
•
Own and operate systems and products, driving the majority of revenue
BASIC QUALIFICATIONS:
•
3+ years of industry experience working on large-scale, high-throughput AI-powered advertising products
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.
Legal
SpaceXSI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.