Ky Dang-Web Scraper - Data Engineer
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Experience
Web Scraper - Data Engineer
Data Science for Social Good Berlin
- Contributed to scraping & structuring 10,000+ facility-related data points from OSM, Google, Bing, and other public directories, increasing database coverage by ~35%.
- Worked within a role-based access control framework on Amazon S3, securely accessing confidential datasets through standardized scripts while adhering to organizational data governance policies.
- Structured GitHub repository for modular workflows (data ingestion, processing) ready for scaling to full production.
AI Trainer
Unknown
- Participated in AI training projects (including STEM, coding and mechanical engineering topics) involving prompt creation, response evaluation, and refinement to ensure accuracy and alignment with user intent.
- Served as a reviewer for complex annotation tasks, ensuring consistency, guideline compliance, and high-quality output across teams.
- Achieved > 90% QA scores via in-depth web research and structured feedback across multiple remote, fast-paced AI initiatives.
Data Professional Intern
Data Glacier Internship
- Developing NLP deep learning models by utilizing pre-trained models (LSTM, BERT) for hate speech classification, addressed imbalanced datasets and improved model accuracy by 50%, as demonstrated by confusion matrix analysis.
- Processed 2+ GB datasets using Dask, Modin, and Ray for EDA and data validation, and built Python ML models with scikit-learn, deploying them via Flask on Google Cloud Run for scalable applications.
Industry Experience
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Experienced in Information Technology and Professional Services.
Business Area Experience
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Experienced in Quality Assurance, Research and Development, Business Intelligence, and Information Technology.
Summary
Aspiring Data Engineer with a Mechanical Engineering background and 6 years of experience as a University Lab Instructor. Skilled in designing and building scalable data pipelines, web scraping systems, and automation workflows to collect, process, and analyze large datasets efficiently. Experienced in ensuring data quality and reliability, with a growing focus on leveraging AI tools and prompt engineering to enhance data-driven insights and streamline operations.
Skills
- Python
- Sql
- Json
- Rest Apis
- Sqlalchemy
- Airflow
- Data Scraping
- Snowflake
- Selenium
- Data Annotation
- Alignerr
- Lilt
- Oneforma
Languages
Education
Bach Khoa University
Master's · Mechanical Engineering · Viet Nam
Certifications & licenses
Cloud Technical Series - Al Agents Edition
DAG Authoring For Apache Airflow 3
DataExpert.io: Senior Data Engineering Certificate
DataExpert.io
Google Data Analytics Certificate
HackerRank SQL (Advanced) Certificate
HackerRank
Microsoft Certified: Fabric Data Engineer Associate
Microsoft
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