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Bio

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Angela Liu is a seasoned data professional with expertise in data analysis, research, and public health. She has experience as a Senior Data Engineer and Data Engineering Fellow at the U.S. Census Bureau, and has worked in various roles at the Center for Care Innovations, Triage Consulting Group, and Rebuy Engine. Angela holds a Master's degree from UC Berkeley School of Information and a Bachelor's degree from Williams College.

Experience

    • Senior Data Engineer
      • Oct 2023 - Present

      - Built first data pipelines transforming data in Postgres data warehouse to parquet, streamlining creation of training data for product recommendation models.- Developed initial unit and integration tests using unittest and pytest, enabling continuous integration / continuous development (CI/CD) of data pipelines.- Delivered data to Elasticsearch and Metabase (business intelligence platform) using their respective APIs, enhancing data accessibility and real-time reporting capabilities.

    • Data Engineer
      • Jun 2023 - Oct 2023

      - Build Python-based utilities for automated monitoring and ingest of source data into Amazon S3 data lake, enabling production of a person-level demographic database used Bureau-wide.- Maintain source metadata model critical for future automation and traceability in downstream analyses.- Build, test, and document Python data pipelines transforming and loading data into Postgres database in Amazon RDS.- Contribute to database optimization projects, including analyzing performance improvements of database schema changes.

  • U.S. Census Bureau
    • Washington DC-Baltimore Area
    • Data Engineering Fellow
      • Jun 2022 - Aug 2022
      • Washington DC-Baltimore Area

      - Identified data integrity issue impacting 95% of client-facing data product; developed repeatable quality tests to ensurecompleteness of future outputs.- Analyzed contributions of 10+ state & federal data sources, culminating into presentation to senior program leaders. Analysis emphasized need for continued data use agreements.

    • United States
    • Hospitals and Health Care
    • 1 - 100 Employee
    • Operations Specialist
      • May 2021 - Jun 2022

      - Led redesigns of mission-critical data processes, reducing staff time spent on data entry and improving data quality including Salesforce data model updates, grants processing, events data capture, and Sharepoint software implementation.- Led strategy and implementation of changes to Salesforce instance as organization's primary database administrator.- Developed formal data governance and technical trainings, and trained all staff, including nonprofit's new President.- Conducted data analyses for executive leadership to inform key organizational decisions: identified data integrity issue impacting $5.7M in grants, leading to launch of new financial planning platform.- Co-created organization's first formal systems and data manager role.

    • Senior Operations Coordinator
      • May 2020 - May 2021

    • Senior Program Coordinator
      • May 2019 - May 2020

      - Managed logistics for health technology program portfolio representing $8M+ in funding.- Created engagement metrics for funder reports by integrating webinar and event data from 4+ sources.- Fostered relationships with participants, funders, and evaluators throughout program life cycle.

    • Program Coordinator
      • May 2017 - May 2019

  • Triage Consulting Group
    • San Francisco Bay Area
    • Experienced Associate Consultant
      • Oct 2015 - May 2017
      • San Francisco Bay Area

      - Conducted Extract, Transform, and Load (ETL) of quarterly data downloads from client systems.- Translated contract language into SQL and MS Access queries to calculate expected insurance payments.- Analyses of underpaid insurance claims contributed to monthly revenue record of $2.5M for a single client.- Prepared and presented findings to client C-Suite and finance leaders during quarterly meetings.

Education

  • 2021 - 2023
    UC Berkeley School of Information
    Masters
  • Williams College
    Bachelor of Arts (BA)
  • School for International Training
  • National Taiwan University

Suggested Services

This profile is unclaimed. These are suggested service rates with 0% commision upon successful connection

Industry Focus. “Information Technology and Services”

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