Senior Python Data Scraping Engineer (Freelance)
Mindrift • Canada
Education
Not stated
Type
Hourly
Pay
$45/hr equivalent
Mindrift pays per task and shows the pay as an hourly rate.
Last checked
5d ago
Checked
About this role
From the Mindrift listing
Mindrift is looking for highly skilled Vibecode specialists to join the Tendem project ( https://tendem.ai/ ) and drive specialized data scraping workflows for real-world use cases. Mindrift is looking for highly skilled Senior Python Data Scraping Engineers to join the Tendem project and drive specialized data scraping workflows for real-world applications. In this role, you'll apply your expertise in web scraping, data extraction, and data processing to deliver accurate, reliable, and high-quality results. This part-time remote opportunity is ideal for technical professionals with hands-on experience in web scraping, data extraction and processing. What We Do The Mindrift platform connects specialists with innovative technology projects. Our mission is to help develop high-quality AI technologies by combining real-world expertise from professionals across the globe with advanced AI development efforts. About the Role This is a freelance role for a Tendem project. As a Senior Python Data Scraping Engineer , you'll handle data scraping tasks requiring technical precision for web extraction and processing, utilizing tools such as Apify, OpenRouter, and other technologies, alongside your own technical expertise and approaches. Key Responsibilities Own end-to-end data extraction workflows across complex websites, ensuring complete coverage, accuracy, and reliable delivery of structured datasets. Leverage available tools and custom workflows to accelerate data collection, validation, and task execution while meeting defined requirement. Ensure reliable extraction from dynamic and interactive web sources, adapting approaches as needed to handle JavaScript-rendered content and changing site behavior. Enforce data quality standards through validation checks, cross-source consistency controls, adherence to formatting specifications, and systematic verification prior to delivery. Scale scraping operations for large datasets using efficient batching or parallelization, monitor failures, and maintain stability against minor site structure changes. Educational qualifications At least 5+ years of relevant experience in data engineering, web scraping, automation, or software development (required). Bachelor’s or Master’s Degree in Engineering, Applied Mathematics, Computer Science, or related technical fields is a plus. Academic and/or Professional Experience Candidates should have a strong technical foundation and practical experience with scripting, automation, and data extraction workflows. We are looking for specialists who can solve non-trivial problems, work confidently with modern development tools and technologies, and systematically collect, structure, and validate data from diverse sources. A methodical, detail-oriented approach and the ability to work independently are essential. Technical Skills (Essential) Strong experience in Python web scraping (BeautifulSoup, Selenium or similar), including dynamic content (JS, AJAX, infinite scroll) and APIs via proxies Proven ability to extract data from complex structures (hierarchies, archived pages, inconsistent HTML) Solid background in data cleaning, normalization, and validation, delivering structured datasets (CSV, JSON, Google Sheets) Additional requirements Demonstrated experience handling anti-bot mechanisms and dynamic site structures at scale Experience with cloud infrastructure (AWS or equivalent) and containerization (Docker) as part of real workflows Hands-on experience with LLM frameworks (LangChain, OpenRouter, or similar) applied to automation tasks Strong attention to detail and commitment to data accuracy Self-directed work ethic with ability to troubleshoot independently A link to GitHub is a plus English proficiency: Upper-intermediate (B2) or above (required) Project time expectations For this project, tasks are estimated to require around 10–20 hours per week during active phases, based on project requirements. This is an estimate, not a guaranteed workload, and applies only while the project is active. Compensation On this project, contributors can earn up to $45 per hour equivalent , depending on their level and pace of contribution. Compensation varies across projects depending on scope, complexity, and required expertise. Please note that other projects on the platform may offer different earning levels based on their requirements.
Requirements
- Must be eligible to work in Canada
- Fluent proficiency in English (Written & Verbal)
- Reliable high-speed internet connection
- Bachelor's degree or equivalent professional experience
- Demonstrated expertise in Software Engineering
Data Scraping Engineer interview prep
Questions Data Scraping Engineer interviewers often ask. They aren't taken from this listing.
How do you design a scraper to keep working when a target site changes its HTML structure?
I target the most stable identifiers available, like semantic attributes or structured data rather than brittle CSS class names that redesign easily, and I add validation that flags when expected fields come back empty instead of silently returning bad data. No scraper survives a redesign forever, but the goal is to fail loudly, not silently.
What's your approach to respecting a site's rate limits while still scraping data at a usable pace?
I check the site's stated limits or robots.txt first and build in throttling and backoff from the start, rather than scraping as fast as possible until I get blocked. Getting blocked and having to rebuild access usually costs more time than scraping conservatively from the beginning.
How do you validate that scraped data is accurate, beyond confirming it was successfully retrieved?
I spot-check a sample of scraped records against the live site manually, and I add automated checks for values that fall outside an expected range or format. A scraper can return a 200 response and still hand back stale, truncated, or misparsed data.
How do you handle sites that use JavaScript rendering or anti-bot measures that block simple HTTP requests?
I use a headless browser when the content genuinely requires rendered JavaScript, but only then, since it's slower and more resource-intensive than a direct request. For anti-bot measures, I focus on legitimate signals like realistic request pacing and headers rather than trying to actively evade detection.
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Why this role
This Senior Python Data Scraping Engineer (Freelance) position pays $45/hr equivalent. You need solid Software Engineering knowledge, and you learn the AI training steps on the job.
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Common questions
What does a typical Mindrift task involve?
Read a scenario, write a short prompt for the AI (around 100 words), evaluate two AI responses to it, fact-check the outputs, then write a brief explanation (around 50 words) on which response is better against the project rubric. The focus is clarity, safety, and rule-following, not creative writing.
Who is Mindrift good for?
Freelance writers, editors and generalist AI tutors with strong English and good research skills. You don't need a tech degree. Mindrift is built by the data company Toloka, and it also opens better-paid projects in fields such as cybersecurity, medicine and law to verified experts.
What does task-based AI training work look like?
Short, hands-on tasks such as recording videos, sorting images, rating AI answers or checking data. Most take 5 to 60 minutes each.
Can I choose my own hours?
Usually, yes. You log in when you want, pick up a task, finish it and submit it, with no meetings. Other people work from the same pool of tasks, so some days there may be no work until more is added.
What does Software Engineering work look like for a Senior Python Data Scraping Engineer (Freelance)?
You check AI answers to Software Engineering questions, correct their errors and write expert reasoning. As a Senior Python Data Scraping Engineer (Freelance), you're hired for that judgment, so hands-on Software Engineering experience matters.
How much does this specific role pay?
This listing is posted at $45/hr equivalent, an hourly rate. Pay can change after we check the listing, so confirm the rate on the platform's application page.
Can I apply from outside Canada?
This role is open only to people based in Canada. The limit is usually about where the platform can legally hire, so applying from elsewhere rarely leads to an offer. Check the description for tax or right-to-work rules before you apply.