Sr. Machine Learning Engineer, Recommendation Systems
- Pay
- $180,000 – $330,000 per year
- Location
- Palo Alto, CA
- Listed
- 30 days ago
About the role
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.
About the role
We're seeking exceptional engineers to join a high-priority project that approximately 600 million monthly users use. This is an exciting opportunity for individuals with a engineer or scientist background to apply their skills to recommendation systems, ranking algorithms, search technologies, and many other systems. You'll work at the intersection of advanced AI development and real-world impact, enhancing the ability to connect users with relevant content, accounts, and experiences.
Responsibilities
- Designing and architecting recommendation algorithms across various product surfaces
- Leverage all of SpaceXSI's infra and AI stacks to dramatically enhance the user experience
- Write data pipelines and training jobs that continuously learn from product data
- Iterate and improve the algorithm by gathering user feedback in real time through experimentation
- Ensuring scalability and efficiency of machine learning systems
Basic Qualifications
- 5+ years of industry experience in implementing recommender systems and/or deep learning applications at industrial scale
Preferred Skills and Experience
- Experience in writing CUDA kernels
- Skilled in one or more DL software frameworks such as JAX or PyTorch
- Knowledge of data infrastructure like Kafka, Clickhouse, and Spark
Compensation and Benefits
$180,000 - $330,000 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.
Equal opportunity and legal notices
SpaceXSI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice.
From SpaceXSI's careers page, first listed on Rolev.ai on October 10, 2026. Rolev.ai is not the employer.
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Common questions
What is the salary for the Sr. Machine Learning Engineer, Recommendation Systems role at SpaceXSI?
The Sr. Machine Learning Engineer, Recommendation Systems posting at SpaceXSI states compensation of $180,000 – $330,000 per year. Final pay may depend on location, experience, and interview evaluation on SpaceXSI's official career site.
Where is the Sr. Machine Learning Engineer, Recommendation Systems job at SpaceXSI located?
This Sr. Machine Learning Engineer, Recommendation Systems position at SpaceXSI is located in Palo Alto, CA. Always check SpaceXSI's application page for specific state eligibility or relocation policies.
How do I apply for the Sr. Machine Learning Engineer, Recommendation Systems position at SpaceXSI?
This listing links directly to SpaceXSI's Greenhouse application page. You can apply directly on SpaceXSI's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.