Software Engineer - Search Infrastructure

X AI
Palo Alto
Workplace: OnsiteFull timeUSD 150,000 - 400,000Function: Software EngineeringSkills: ["Communication","Prioritization","Ownership","Reliability focus","Fast-paced execution"]

Design and build scalable, high-performance search infrastructure for subscriptions, monetized products, user growth, and creator monetization. You’ll develop real-time indexing and query pipelines, deep-dive into search internals to shape technical direction, and operate production services end to end with monitoring, debugging, and incident response. This role delivers mission-critical reliability and latency at massive transaction scale.

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FursaFursa
X AI
X AI
19 hours ago

Software Engineer - Search Infrastructure

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 4 hours agoStatus: Live

Job Summary

Design and build scalable, high-performance search infrastructure for subscriptions, monetized products, user growth, and creator monetization. You’ll develop real-time indexing and query pipelines, deep-dive into search internals to shape technical direction, and operate production services end to end with monitoring, debugging, and incident response. This role delivers mission-critical reliability and latency at massive transaction scale.
Location: Palo Alto
Workplace: Onsite
Employment Type: Full time
Job Function: Software Engineering
Seniority: Mid level

Key Responsibilities

  • •Design and build large-scale search infrastructure (real-time indexing, serving, and data pipelines) with strict latency and reliability.
  • •Work deep into search internals (indexing, query execution, relevance) and help shape technical direction for core search infrastructure.
  • •Operate production services end to end, including monitoring, debugging, incident response, and performance optimization.
  • •Lead incident responses and recovery with peers, and contribute to incident postmortems.
  • •Drive high-quality outcomes while continuously improving performance, scalability, and reliability.

Pay and Benefits

Salary: USD 150,000 - 400,000
Equity and Bonus:Equity
Perks:Health InsuranceDentalVision401kLife InsuranceDisability Insurance

Key Requirements

  • •5+ years developing large-scale infrastructure, distributed systems, or experience with storage or hardware architecture.
  • •Proficiency in high-performance Rust, C++, or JVM-based languages.
  • •Hands-on experience with search and indexing technologies (e.g., Elasticsearch, Lucene) and how they work.
  • •Experience with operating system internals, filesystems, networking, or database storage engines.
  • •Ability to take full ownership of problems and learn whatever is needed to solve them.
Experience:Distributed systemsSearch
Skills:CommunicationPrioritizationOwnershipReliability focusFast-paced execution
Languages:English
Tech Stack:RustC++JVMElasticsearchLucene

Company Brief

X AI
Develops advanced artificial intelligence models and research aimed at building safe, general AI and understanding the fundamental nature of the universe. Focuses on large-scale AI systems, research publications, and building foundational AI capabilities.
Industry: AI & Machine Learning
Company Size: Medium (51 to 250 employees)
Growth: Early Stage Startup
Headquarters: San Francisco, United States
Founded: 2023
Website