Yan Zhang
Copenhagen
Summary
I am currently pursuing an MSc in IT & Cognition at the University of Copenhagen, with additional studies in Software Design at the IT University of Copenhagen. Specializing in data science, I have developed strong skills in Python, R, SQL, and advanced data analytics tools including Tableau and Power BI. My expertise includes building predictive models and using machine learning algorithms to derive actionable insights from data. I am actively seeking a data scientist internship to leverage my technical proficiency and innovative thinking in a challenging role.
Overview
1
1
year of professional experience
3
3
Languages
Work History
Data Manager
Himalaya Inc
1 2021 - 6 2022
- Department: Audio Algorithm Department
- Managed the annotation and classification of 500,000 data entries using Amazon Mechanical Turk and Python scripts, enhancing training effectiveness by 25%
- Spearheaded the collection of over 10TB of audio data using Apache Kafka and Apache Hadoop, led the speech recognition team to develop and deploy four advanced programs, supporting the development of Tianfang Shan voice recognition and generation model
- Enhanced data quality by implementing cleaning techniques with Python and pandas, increasing model accuracy by 15%
- Collaborated with data scientists and developers to tailor datasets with SQL and scripts, improving model performance by 20%
Data analyst
NetEase Youdao
01.2021 - 10.2021
- Led a team of 10 annotators to achieve 98% accuracy in voice data labeling, surpassing the industry standard by 3%
- Analyzed over 500,000 data points using Python for regression and machine learning algorithms to identify key trends and anomalies, which informed adjustments improving model accuracy by 15%
- Utilized Python and SQL for complex data queries and automation scripts, enhancing data analysis efficiency and accuracy
Education
MSc In IT & Cognition
Københavns Universitet
04.2001 -
Guest Student in MSc In Software Design
IT-Universitetet I København
07.2024
Skills
Python
Websites
Timeline
Data analyst
NetEase Youdao
01.2021 - 10.2021
MSc In IT & Cognition
Københavns Universitet
04.2001 -
Data Manager
Himalaya Inc
1 2021 - 6 2022
Guest Student in MSc In Software Design
IT-Universitetet I København
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