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alex_zhao_

Yifei Z

@alex_zhao_

Data Engineer

China
English, Chinese
About me
I am a data engineer with Python and SQL skills and hands-on experience in large language model evaluation. I have a strong background in benchmark implementation, multi-level evaluation metrics, and LLM-as-Judge workflows across multilingual and multimodal tasks.... Read more

Skills

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alex_zhao_
Yifei Z
Offline • 

See my services

Data Cleaning
I will clean and validate your excel or CSV data with python
From$25 / projectMore details

Portfolio

Work experience

Centific

Data Engineer

Centific • Full-time

Jun 2026 - Present • 5 mos

Contribute to data processing workflows and automation scripts for batch processing and recurring data tasks. Validate data completeness, consistency, and accuracy; investigate anomalies and support data issue resolution. Document data definitions and processing procedures to support analytics and downstream applications.