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Ky Dang-Web Scraper - Data Engineer

Ky Dang - Web Scraper - Data Engineer - profile avatar
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Viet Nam

Check rate

Experience

Sep 2025 - Present

Web Scraper - Data Engineer

Data Science for Social Good Berlin

Position Summary
Web Scraper - Data Engineer at Data Science for Social Good Berlin
Industries
Professional Services
Business Areas
Business Intelligence
Information Technology
  • 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.
Jan 2024 - Present

AI Trainer

Unknown

Position Summary
AI Trainer at Unknown
Industries
Information Technology
Business Areas
Quality Assurance
Research and Development
  • 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

Position Summary
Data Professional Intern at Data Glacier Internship
Industries
Information Technology
Business Areas
Information Technology
Research and Development
  • 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

See where this freelancer has spent most of their professional time.

Experienced in Information Technology and Professional Services.

Information Technology
Professional Services
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Quality Assurance, Research and Development, Business Intelligence, and Information Technology.

Quality Assurance
Research and Development
Business Intelligence
Information Technology
Profile match chart

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

Vietnamese
Native
English
Advanced

Education

Oct 2016 - Oct 2018

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

Google

HackerRank SQL (Advanced) Certificate

HackerRank

Microsoft Certified: Fabric Data Engineer Associate

Microsoft

Statistics

Experience

Total positions 3
Experience in Information Technology 2.5 y
Avg length 1 y 1 m
Longest experience 2 y 6 m

Expertise

Recent roles Web Scraper - Data Engineer, AI Trainer
Main industries Information Technology, Professional Services
Main business areas Quality Assurance, Research and Development, Business Intelligence

Qualifications

Highest degree Master
Certifications earned 6

Profile

Created
Last Update

Frequently asked questions

Have questions? Find more information here.

Ky speaks the following languages: Vietnamese (Native), English (Advanced).
Ky has at least 3 years of experience. During this time, Ky has worked in at least 2 different roles and for 2 different companies. The average length of individual experience is 1 year and 3 months. Note that Ky may not have shared all experience and actually has more experience.
Based on recent experience, Ky would be well-suited for roles such as: Web Scraper - Data Engineer, AI Trainer, Data Professional Intern.
Ky's most recent position is Web Scraper - Data Engineer at Data Science for Social Good Berlin.
In recent years, Ky has worked for Data Science for Social Good Berlin and Unknown.
Ky is most experienced in industries like Information Technology and Professional Services.
Ky is most experienced in business areas like Quality Assurance, Research and Development, and Business Intelligence. Ky also has some experience in Information Technology.
Ky holds a Master in Mechanical Engineering from Bach Khoa University.
Ky has 6 certificates. Among them, these include: Cloud Technical Series - Al Agents Edition, DAG Authoring For Apache Airflow 3, and DataExpert.io: Senior Data Engineering Certificate.
Ky is immediately available full-time for suitable projects.
Ky's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.
To hire Ky, click the Meet button on the profile to request a meeting and discuss your project needs.

Average rates for similar positions

Rates are based on recent contracts and do not include FRATCH margin.

800
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Market avg: 456-616 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.