Software Engineer (Search Ranking)

• The X Search team is responsible for building and operating the core search engine that powers discovery on X. We own the full end-to-end search stack — from real-time retrieval and indexing to ranking and the end-user search experience
• Our goal is to create the most relevant, fast, and intelligent search experience on the internet by combining state-of-the-art information retrieval systems with Grok’s reasoning capabilities
• 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

Benefits

• Health and wellness: Comprehensive health insurance including medical, dental, vision, and disability coverage
• Life and family: Life and AD&D insurance and fertility benefits to ensure our team’s well-being and peace of mind
• Flexible vacation: We work hard but avoid burn out. Take time off when you need it
• Visa sponsorship: We support international talent with visa sponsorship to join our team
• 401(k) plan: Retirement savings plan to secure your financial future

• Take full ownership of problems and learn whatever you need to solve them
• Have worked with vector databases, search indices, or similar data stores for search applications
• Tech Stack: Python, Go, Rust
• Have worked on large-scale search systems
• Can move quickly in a fast-paced environment with shifting priorities and tight deadlines
• Have deep experience building or working with production ML systems