H

Haohsin Hsu

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Sunnyvale, California, United States

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Résumé

Jobs verified_user 0% verified
  • The Voleon Group
    Software Engineer II
    The Voleon Group
    Feb 2024 - Jun 2025 (1 year 5 months)
    • Led the design and implementation of execution system improvements, delivering a robust scheduling solution that reduced ˜4% exchange downtime-related order rejections and consequently improved overall system stability
    • Collaborated closely with internal stakeholders to execute live-market simulations during US market hours, which successfully validated end-to-end order flow and significantly reduced production errors and on-call incidents by 5%
    • Refactored and unified Python-based tooling and YAML configuration to consolidate scattered standardized job templates, enabling automated deployment configuration generation and reducing new Airflow job onboarding time by over 50%
    • Developed and productionized 10+ data-proc
  • Yahoo!
    Software Engineer Intern
    Yahoo!
    Jul 2023 - Aug 2023 (2 months)
    • Engineered streaming PySpark pipelines to ingest 10,000+ daily news articles into a unified data store, enabling integration with downstream analytics, recommendation, and advertising platforms
    • Optimized user-generated content ingestion pipeline to resolve data consistency issues, implementing a single source of truth and a dedicated synchronization job to eliminate discrepancies and ensure reliable processing
  • Garena
    Back-End Engineer
    Garena
    Jan 2021 - Jul 2022 (1 year 7 months)
    • Delivered 15+ high-traffic promotional microsites using Python and Django, each serving 1,000,000+ users and handling peak traffic of up to 500 QPS with scalable reward and engagement systems to maximize user participation
    • Created a reusable backend framework to standardize campaign development, reducing backend engineering efforts by 60% per launch
    • Architected a high-concurrency flash sale system using Redis atomic operations to mitigate MySQL database bottlenecks and successfully handled peak QPS of over 10,000
  • P
    Software Engineer
    PingTech
    Oct 2019 - Oct 2020 (1 year 1 month)
    • Implemented an ASP.NET queue management and automation system for a rural hospital, improving phlebotomy station efficiency by 30% and reducing specimen labeling errors by over 10%
Education verified_user 0% verified
  • Columbia University
    MS in Computer Engineering
    Columbia University
    Aug 2022 - Feb 2024 (1 year 7 months)
  • National Taiwan University
    MS in Computer Science
    National Taiwan University
    Aug 2017 - Jun 2019 (1 year 11 months)
  • N
    BBA in Business Administration
    NATIONAL TAIPEI UNIVERSITY OF BUSINESS
    Aug 2015 - Jun 2017 (1 year 11 months)