Software Engineer - Search Ranking
xAI· Engineering
Palo Alto, CA$180k - $440kFull-timePosted 5mo ago
About the role
The X Search team builds and operates SpaceX/XSearch core search engine powering discovery on X. Focused on end-to-end search stack from real-time retrieval and indexing to ranking and user search experience, integrating Grok reasoning with state-of-the-art information retrieval systems.
Responsibilities
- Build search and retrieval algorithms that scale to millions of users
- Build and operate large scale search engine and search infrastructure
- Train state of the art ML ranking models
- Integrate Grok in search systems and products
Qualifications
- Tech Stack: Python, Go, Rust
- Have worked with vector databases, search indices, or similar data stores for search applications
- Have worked on large-scale search systems
- Have deep experience building or working with production ML systems
- Take full ownership of problems and learn whatever you need to solve them
- Can move quickly in a fast-paced environment with shifting priorities and tight deadlines
Benefits
- equity
- comprehensive medical, vision, and dental coverage
- access to a 401(k) retirement plan
- short & long-term disability insurance
- life insurance
- various other discounts and perks
Last updated Oct 14, 2026. Interested? Apply on the company site.
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