Key Skills

Freelancer Overview

With over 9 years of experience as a software engineer, I have developed and optimized data pipelines and backend services for industries such as financial, logistics, and advertising. My work has often involved extracting, normalizing, and migrating large-scale structured and unstructured datasets using tools like Python, Bash, SQL, and MongoDB—key skills for data labeling and AI training data preparation. I have built scripts and automated processes to transform, clean, and integrate data from multiple sources, supporting accurate and efficient data management for analytics and machine learning use cases. My technical expertise spans C#, .NET Core, Java, Go, Node.js, and cloud platforms like AWS and Azure, enabling me to deliver robust solutions for high-volume, data-driven environments. I am passionate about improving data quality and workflow automation to support downstream AI and analytics initiatives.

Labeling Experience

Education

Work History