Johnson Zhou

Quantitative Technologist at Radix Trading LLC

Los Angeles, California, United States

About

World peace 🙏

Experience

  • Quantitative Technologist at Radix Trading LLC
    Jan 2023 - Present · 3 yrs 6 mos

    Trading system

  • Software Engineer Intern at Monad Labs
    Sep 2022 - Nov 2022 · 3 mos

    Doing stuff with ethereum data

  • Core Engineer Intern at Hudson River Trading
    Jul 2022 - Sep 2022 · 3 mos

    Doing stuff with market data

  • SWE Intern - WebKit architecture at Apple
    Jun 2021 - Sep 2021 · 4 mos

    Working on Apple's Web Engine (WebKit) that powers billions of Apple devices. Implemented FormDataEvent callback in WebKit. Implementing CSS Typed Object Model for WebKit. Wrote 20,000+ lines of highly performant code that is merged into WebKit.

  • Machine Learning Intern at Kuaishou Technology
    Mar 2021 - May 2021 · 3 mos

    Working on the development and testing of Audio ML framework for Kuaishou. (900 million users, 200 million active daily users). Pioneered and developed machine learning models to automate and continuously improve ASR annotation data through Acoustic and language modeling. Implemented the Audio iOS SDK testing suite for TTS, ASR, VoiceChange, and other Audio services.