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Open roles

  • Rational logo
    Software Engineering Intern

    Rational

    • San Francisco, CA
    • Intern
    • $96k–$144k
    No visa sponsorship
    Y Combinator
    Posted 75d ago
  • Rational logo
    Machine Learning Researcher

    Rational

    • San Francisco, CA
    • $150k–$200k
    No visa sponsorshipAI-native
    Y Combinator
    Posted 75d ago
  • Rational logo
    Applied AI

    Rational

    • San Francisco, CA
    • $120k–$200k
    No visa sponsorshipAI-native
    Y Combinator
    Posted 75d ago
  • Rational logo
    Forward-Deployed Engineer

    Rational

    • San Francisco, CA
    • $120k–$200k
    No visa sponsorship
    Y Combinator
    Posted 75d ago

About

Rational logo

Rational

First Zero-human Accounting Firm

Pre-seedRecently raisedYC S26Fresh from YCBrand newAI-product
Founded2026
Size
1–10 employees
IndustryBusiness Consulting and Services
Latest fundingPre-seed · Sep 9, 2026

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