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Software Engineer (Search Infrastructure)

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Onsite

Software Engineer (Search Infrastructure)

xAI

Software Engineer (Search Infrastructure)

Skills

RustElasticsearch

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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