Sr. Maching Learning Engineer, Search Ranking

SR. MACHINE LEARNING 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.

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

BASIC QUALIFICATIONS:

• Experience in Python, Go, and Rust

PREFERRED SKILLS AND EXPERIENCE:

• Experience with vector databases, search indices, or similar data stores for search applications
• Experience working on large-scale search systems
• 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

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.