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Member of Technical Staff, Search Ranking

Parallel Web Systems· Engineering
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San Francisco or Palo Alto$150k - $300kFull-timePosted 4mo ago

About the role

Role owning the multi-stage ranking pipeline to select best passages for a query, balancing precision, recall, and compute across candidate retrieval, first-pass ranking, and neural reranking, with emphasis on real usage outcomes.

Responsibilities

  • Own the multi-stage ranking pipeline that narrows a web-scale set of candidates down to the handful of best passages for a query, spending the least compute necessary to do it well.
  • Push precision and recall across fast candidate retrieval, lightweight first-pass ranking, and heavier neural reranking.
  • Decide how much compute each query deserves.
  • Grade everything on real usage outcomes rather than offline proxies.

Qualifications

  • Bachelor's degree or equivalent combination of education, training, and professional experience
  • A field relevant to the role as demonstrated through coursework, training, or professional experience
  • Years of experience required will correlated with the internal job level requirements for this position.

Skills

Required:Ranking pipelines
Nice to have:Model training for ranking and retrieval

Benefits

  • Competitive salary
  • Generous equity
  • Visa sponsorships
  • 401K plans
  • Daily lunch & office snacks
  • Dinner at the office
  • Unlimited vacation
  • Caltrain pass reimbursement
Last updated Sep 10, 2026. Interested? Apply on the company site.

About Parallel Web Systems

The highest accuracy web search for your AI

Deep research API interface for ChatGPT and AI agents. Enterprise-grade deep research with up to 48% accuracy vs GPT-4's 1%. Built for ChatGPT deep research assistants and complex multi-hop AI workflows.

AIDeep researchEnterpriseWeb searchai-infrastructure-and-developmentwing-list-2026wing-list-2026-mid-stage
Company profileWebsite

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