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Senior Python Data Scraping Engineer (Freelance)

14 hours, 26 minutes ago
Slovakia, Bulgaria, Czech Republic, Poland, Romania, Hungary
Part-time
Senior
Backend Engineer
Software Development
AJAX AWS Docker GitHub JavaScript JSON LLM Python Selenium
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Description

  • Own end-to-end data extraction workflows across complex websites and deliver structured datasets.
  • Use internal tools such as Apify and OpenRouter, along with custom workflows, to speed up data collection and task execution.
  • Extract data reliably from dynamic and interactive websites, including JavaScript-rendered content and changing site behavior.
  • Enforce data quality through validation checks, cross-source consistency controls, formatting adherence, and systematic verification.
  • Scale scraping operations for large datasets using batching or parallelization and monitor failures.
  • Maintain stability when websites change structure or present minor breaking changes.
  • Collect, structure, and validate data from diverse sources using a methodical approach.
  • Troubleshoot extraction and automation issues independently as needed.

Requirements

  • 5+ years of relevant experience in data engineering, web scraping, automation, or software development.
  • Strong Python web scraping experience with tools such as BeautifulSoup and Selenium, including dynamic content, AJAX, infinite scroll, and API access via proxies.
  • Proven ability to extract data from complex structures such as hierarchies, archived pages, and inconsistent HTML.
  • Solid experience with data cleaning, normalization, and validation, delivering datasets in CSV, JSON, or Google Sheets.
  • Demonstrated experience handling anti-bot mechanisms and dynamic site structures at scale.
  • Experience with cloud infrastructure such as AWS or equivalent.
  • Experience with containerization such as Docker in real workflows.
  • Hands-on experience with LLM frameworks such as LangChain, OpenRouter, or similar for automation tasks.
  • English proficiency at Upper-intermediate B2 level or above.
  • Bachelor’s or Master’s degree in Engineering, Applied Mathematics, Computer Science, or a related technical field is a plus.
  • A GitHub link is a plus.

Benefits

  • Part-time remote freelance opportunity.
  • Estimated workload of around 10–20 hours per week during active project phases.
  • Compensation of up to $40 per hour equivalent, depending on level and pace of contribution.

Interested in this position?

Apply directly on the company website

Apply Now

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