Cindy Yuan
Sunnyvale,United States
Summary
Technical, enthusiastic and detail-oriented individual with solid data engineering and analytics skills as well as 7 years of industrial experience searching for Data Engineer related position
Overview
7
7
years of professional experience
1
1
Certification
Work History
Data Engineer
Sentry.io
10.2021 - Current
- Designed, optimized, and managed BigQuery data warehouse to ensure high performance, reliability and scalability
- Developed and maintained robust ETL/ELT pipeline using Apache Airflow to automate data aggregation, transformation and validation processes to support AI/ML and business analytics needs
- Developed and maintained scalable data pipelines to ingest and integrate data from third-party platforms (e.g., Salesforce, Marketo) via API calls, enabling real-time insights and centralized analytics
- Performed large-scale data cleaning using Python libraries such as pandas, numpy, and regex across diverse sources including CSV, JSON and Parquet
- Processed and transformed over 10TB of real-time streaming structured and unstructured data daily, ingesting from consumers, cleaning, and efficiently loading batch-processed data into BigQuery
- Worked with Google Cloud Platform to implement scalable and cost-efficient data solutions
- Skills: Python, SQL, ETL/ELT, Airflow, Google Could Platform
Data Analytics Engineer
Community Health Center Network
09.2019 - 07.2021
- Built and optimized ETL/ELT data pipeline using dbt transform raw data into clean, analytics-ready models within SQL Server
- Retrieved, transformed and aggregated patient visits/outcomes data by writing SQL scripts (window functions, CTE, views, store procedures) and generate healthcare/business reports
- Designed and executed A/B tests to evaluate the effectiveness of provider outreach programs, improving preventive care rates by 12%
- Designed and automated reporting dashboards using Tableau, providing real-time insights on HEDIS scores, patient compliance, and healthcare utilization
- Collaborated with clinical teams and business stakeholders to design and optimize data models for tracking healthcare performance metrics
- Skills: Python, SQL, Tableau, ETL, dbt
Data Analyst
Centene Corporation
06.2018 - 09.2019
- Built and optimized SQL queries(multiple joins, group by, window functions) to extract, clean, and validate provider demographic, credentialing, and contracting data from enterprise data warehouses
- Designed and developed SSIS packages to import raw data from multiple sources, perform complex data transformations, and migrate clean, well-structured datasets into Teradata, supporting downstream analytics and reporting needs
- Automated recurring reporting processes using SQL and Python, reducing manual effort and improving report delivery timelines by 40%
- Developed interactive dashboards and reports using Power BI and Excel (VLOOKUP, pivot table, macro, nested statements) to support provider network adequacy, access-to-care analysis, and provider performance tracking
- Skills: SQL, Python, Teradata, Power BI, SSIS, Excel, Micro Strategy
Education
Master of Science - Analytics
Arizona State University
05.2018
Master of Management -
Shenzhen University
06.2017
Bachelor of Business Administration -
Shenzhen University
06.2014
Qualifications And Skills
- Tools: Airflow, dbt, BigQuery, Kafka, Google Cloud Storage, GoCD, Looker, Tableau
- Skills: ETL/ELT Process, Big Data, Data Modeling/Design, Cloud Computing, Data Pipeline Orchestration, Streaming Data Processing, Visualization
- Programming Language: Python (pandas, numpy, regex, PySpark), SQL, Shell Script
Certification
Tableau Desktop Specialist, 06/01/19
Timeline
Data Engineer
Sentry.io
10.2021 - Current
Data Analytics Engineer
Community Health Center Network
09.2019 - 07.2021
Data Analyst
Centene Corporation
06.2018 - 09.2019
Master of Management -
Shenzhen University
Bachelor of Business Administration -
Shenzhen University
Master of Science - Analytics
Arizona State University
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