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Hsi-Chun Wang - AI Developer (Contract) in Remote

Hsi-Chun Wang

Mid-level Data Scientist specializing in LLM development and scalable ML pipelines

GearFactory.aiUniversity of Maryland, College ParkRemote4 Years ExperienceMid LevelWorks On-Site

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About

Built and deployed production LLM pipelines for evidence-based scoring in two domains: biomedical literature mining (scoring ~2700 drug compounds vs gene targets/mechanisms) and long-horizon news analytics (35 years of Chinese articles). Emphasizes reliability at scale (retries/checkpointing/validation), rigorous empirical model benchmarking (GPT-4o/mini/5), and translating results into stakeholder-friendly visual narratives.

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Key Strengths

  • Built and productionized an LLM literature-mining system scoring ~2700 drug compounds against biological targets/mechanisms
  • Designed reliable large-scale pipelines with retries, checkpointing, logging, and partial re-runs to handle API instability
  • Improved scoring integrity by separating 'no evidence' vs unrelated vs negative evidence via prompt constraints and post-processing rules
  • Strong empirical model selection approach (GPT-4o vs GPT-4o-mini vs GPT-5) using correlation metrics and scatter plots
  • Modular workflow design with strict I/O schemas and practical subset-to-full-scale validation
  • Effective communication of LLM results to non-technical stakeholders using visualizations and concrete examples (35-year Chinese news trend analysis)

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Experience

AI Developer (Contract)GearFactory.ai · Jul 2025 – Presentcontract
Research Assistant (LLM Development)University of Pittsburgh, Department of Computational Biology · Apr 2025 – Present
Graduate Teaching Assistant (Data Science)University of Maryland, Department of Data Science · Sep 2024 – Dec 2024part-time
Data Scientist Intern - Marketing AnalyticsT-Heart Ltd · Jun 2022 – Aug 2023internship
Remote Volunteer (Data Science / Deep Learning)University of Pittsburgh, Department of Computational Biology · Jun 2022 – Jan 2023part-time
Research Assistant (Deep Learning)National Taiwan University, Department of Civil Engineering · Sep 2021 – Jun 2022part-time

Education

University of Maryland, College Parkmaster, Data Science (2024)
National Taiwan Universitybachelor, Civil Engineering (2022)

Skills

A/B TestingAWSAWS IAMAWS LambdaClassificationClusteringData AnalyticsData EngineeringData ModelingData VisualizationDeep LearningETL PipelinesGitMachine LearningMatlab

Languages

English

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Hsi-Chun WangMid-level Data Scientist specializing in LLM development and scalable ML pipelines