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People / Tetsuya Hasegawa
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Career profile

Tetsuya Hasegawa

Member of Technical Staff at xAI

Mountain View, California, United States

Career path.

  1. xAI

    Member of Technical Staff

    Oct 2025 - Present
  2. xAI

    Engineering Partner

    May 2025 - Oct 2025
  3. X

    Senior Software Engineer

    Feb 2025 - Oct 2025
  4. X

    Senior Software Engineer

    Nov 2024 - Jan 2025
  5. PayPay Corporation

    Staff Software Engineer (Payment)

    Apr 2023 - Nov 2024
  6. PayPay Corporation

    Senior Software Engineer (Growth)

    Oct 2021 - Mar 2023
  7. PayPay Corporation

    Tech Lead (API Gateway)

    Apr 2020 - Sep 2021
  8. PayPay Corporation

    Software Engineer (API Gateway)

    Jul 2019 - Mar 2020