> Markdown version of [/jobs/ext/4399252-software-engineer-search-ranking](https://www.wearedevelopers.com/jobs/ext/4399252-software-engineer-search-ranking). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer - Search Ranking - **Company:** Space X - **Location:** San Francisco, CA, United States - **Salary:** $180,000.0 - **Contract:** Permanent contract - **Skills:** Data Stores, Python (Programming Language), Search Engines, Machine Learning Operations - **Published:** October 21, 2026 - **Apply:** https://www.thejobnetwork.com/job/a7ca52c9-462f-4ac6-b1da-64d6501ef055/software-engineer-search-ranking ## About the Role * 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 ## Description 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., * 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