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Lance Chou - Machine Learning Intern in Canada

Lance Chou

Intern Machine Learning Engineer specializing in NLP and MLOps

VosynColumbia UniversityCanada1 Years ExperienceIntern LevelWorks On-Site

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About

PhD-led research engineer who has shipped LLM-powered agents for automated knowledge extraction from STEM textbooks/papers into a graph database, reporting a 90% accuracy improvement and major reductions in manual curation time. Also built an end-to-end multi-agent news aggregation/sentiment pipeline using the Agno framework with Pydantic-structured outputs, retries, and monitoring, and has experience processing messy SEC filings.

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Key Strengths

  • Built LLM pipeline to extract/deduplicate STEM knowledge into a graph database
  • Improved extraction accuracy by 90% via ML-guided extraction and retrieval
  • Designed reliability mechanisms for math-heavy pipelines (equation checks, DB verifications, automated logging)
  • Architected multi-agent workflow (4 agents) with structured Pydantic state and orchestration via Agno
  • Implemented real-world robustness with prompt tuning, malformed-output handling, retries, and default outputs
  • Experience handling messy SEC filings with inconsistent formats (tables/math-heavy) using pattern-based normalization and deduplication

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Experience

Machine Learning InternVosyn · Jun 2025 – Presentinternship
Lead Developer (Intern)Vosyn · Jun 2025 – Presentinternship
Software DeveloperdataAnnotation · Apr 2024 – May 2025
Research InternColumbia University · Sep 2024 – May 2025internship
MemberColumbia Robotics Club · Sep 2021 – May 2024

Education

Columbia Universitymaster, Computer Science (2025)
Columbia Universitybachelor, Computer Engineering (2024)

Awards

  • Dean’s List (3 semesters) - Columbia University

Languages

EnglishMandarin ChineseHebrew

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Lance ChouIntern Machine Learning Engineer specializing in NLP and MLOps