xAI
Software Engineer (Search Infrastructure)
Skills
2 months ago
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Important information
Contract type:
Permanent
Salary:
$150,000 – $400,000 / year
Location:
Palo Alto, CA, USA
Work mode:
Onsite
Published on:
21 October 2026
What they need
- As a backend engineer, you’ll design and build scalable, high-performance systems that power subscriptions infrastructure, new monetized products, user growth, and creator monetization
- You’ll work on mission-critical infrastructure that processes millions of transactions, optimizes user acquisition and retention, and enables creators to earn a living through their content
- This is a unique opportunity to make a large-scale revenue impact while creating products that users and businesses love
- Design and build large scale search infrastructure (real-time indexing, serving, and data pipelines) that handles massive write and query loads with strict latency and reliability requirements
- Go deep into search internals (indexing, query execution, and relevance) and help shape the technical direction of the core search infrastructure
- Operate production services end to end, including monitoring, debugging, incident response, and performance optimization
- Lead and drive incident responses and recovery with your peers. Review and contribute to incident postmortems and hold a high bar for the same
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
Proficient in high performance Rust, C++ or JVM-based languages
Obsessed performance, reliability, scalability and quality
5+ years developing large-scale infrastructure, distributed systems or experience with storage or hardware architecture
Experience with operating system internals, filesystems, networking, or database storage engines
Hands-on experience with search and indexing technologies (Elasticsearch, Lucene, or similar) and an understanding of how they work and why
Comfortable moving quickly in a fast-paced environment with shifting priorities and tight deadlines
Ability to take full ownership of problems and learn whatever is needed to solve them
Contributions to open-source search or infrastructure projects
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