Chao Zhu
Novi,MICHIGAN
Summary
Data Scientist familiar with designing, implementing, and maintaining model life cycles. Advanced understanding of statistical, machine learning and other analytical techniques. Highly organized, motivated and diligent with significant background in machine learning, statistical analysis, coding, and database area.
Overview
9
9
years of professional experience
Work History
Data Scientist
Rocket Mortgage Inc.
10.2020 - 08.2023
- Own deployment of applicable models for business projects.
- Sequence steps involved to deliver working model, estimate timelines for completion of work and communicate this information to project manager.
- Data Pulling/Cleaning/Preprocessing for business use or model use.
- Develop predictive and prescriptive statistical models from large sets of structured and unstructured data.
- Develop various machine learning algorithms based on requirements and business need.
- Collaborate with engineering and product teams to develop and support internal data platform to support ongoing analysis.
- Design and implement company A/B testing frameworks to test model quality.
- Utilized advanced querying, visualization and analytics tools to analyze and process complex data sets.
- Applied statistical and algebraic techniques to interpret key points from gathered data.
- Other model related work including feature analysis, data sampling, and model comparison, etc.,
- Deliver oral or written presentations of results of mathematical modeling and data analysis to stakeholders.
- Mentor and train new data scientists.
Big Data Engineer/Administrator
Rocket Mortgage Inc.
01.2017 - 10.2020
- Customize/implement/Maintain data platform(e.g., Cloudra - Hadoop echo systems) for company.
- Designed and developed analytical data structures.
- Designed and implemented effective database solutions and models to store and retrieve data.
Database Administrator
Rocket Mortgage Inc.
07.2014 - 01.2017
- Developed automated scripts and processes for data integration and maintenance.
- Develop and implement procedures to prevent data loss and maximize system availability.
Education
Ph.D. - Computer And Information Systems
University of Michigan - Dearborn
Dearborn09.2014
Skills
- Design Specifications
- Strategic Business Initiatives
- Statistical Analysis
- Gradient Boosting
- Decision Trees
- Regression Algorithms
- AWS Sagemaker, S3, EC2
- Python, Pyspark, Java, C
- SQL server, MySQL, Hive, Hbase, RDS, Athena
Timeline
Data Scientist
Rocket Mortgage Inc.
10.2020 - 08.2023
Big Data Engineer/Administrator
Rocket Mortgage Inc.
01.2017 - 10.2020
Database Administrator
Rocket Mortgage Inc.
07.2014 - 01.2017
Ph.D. - Computer And Information Systems
University of Michigan - Dearborn
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