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Senior Python Data Scraping Engineer (Freelance)

1 day, 16 hours ago
Mexico
Part-time
Senior
Backend Engineer
Software Development
AJAX AWS Docker GitHub JavaScript JSON LLM Python Selenium
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Internet Software & Services
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Description

  • Own end-to-end data extraction workflows across complex websites to deliver structured datasets.
  • Use internal tools such as Apify and OpenRouter, along with custom workflows, to accelerate data collection and task execution.
  • Ensure reliable extraction from dynamic and interactive web sources, including JavaScript-rendered content and changing site behavior.
  • Enforce data quality standards through validation checks, cross-source consistency controls, and systematic verification before delivery.
  • Scale scraping operations for large datasets using batching or parallelization while monitoring failures and stability.
  • Adapt scraping approaches to handle site structure changes and other extraction challenges.
  • Collect, structure, and validate data from diverse sources in a methodical and independent way.

Requirements

  • 5+ years of relevant experience in data engineering, web scraping, automation, or software development.
  • Bachelor’s or Master’s degree in Engineering, Applied Mathematics, Computer Science, or a related technical field is a plus.
  • Strong experience in Python web scraping using BeautifulSoup, Selenium, or similar tools.
  • Experience extracting data from dynamic content such as JavaScript, AJAX, infinite scroll, and APIs via proxies.
  • Proven ability to work with complex structures such as hierarchies, archived pages, and inconsistent HTML.
  • Solid background in data cleaning, normalization, and validation, with structured outputs such as CSV, JSON, or Google Sheets.
  • Demonstrated experience handling anti-bot mechanisms and dynamic site structures at scale.
  • Experience with cloud infrastructure such as AWS and containerization with Docker in real workflows.
  • Hands-on experience with LLM frameworks such as LangChain, OpenRouter, or similar automation tools.
  • English proficiency at Upper-intermediate (B2) level or above.
  • 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 up to $25 per hour equivalent, depending on level and pace of contribution.

Interested in this position?

Apply directly on the company website

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