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wangkun123

WangKun

@wangkun123

Python Web Scraping and Data Extraction Specialist

China
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
Hi, I am Wang Kun, a dedicated Web Scraping and Automation Engineer specializing in Python and Java. I help clients extract structured data from websites that implement standard security measures and dynamic content. What I Do: - Custom Web Scraping & Data Crawling (E-commerce, Directories) - Dynamic Content Handling (Selenium, Playwright, Puppeteer) - Standard JS Obfuscation & Basic Decryption - Automated Captcha Handling (Image Captchas, ReCAPTCHA) Please contact me with your target URL and requirements BEFORE ordering to confirm feasibility. Let's get your data!... Mehr lesen

Kompetenzen

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wangkun123
WangKun
offline • 
Durchschnittliche Antwortzeit: 1 Stunde

Meine Dienstleistungen

Daten-Scraping
I will scrape website data using python scrapy or playwright
Ab30 $ / ProjektWeitere Details

Arbeitserfahrung

Self_Employed

Web Scraping & JS Reverse Engineering Expert

Self Employed • Freiberufler

May 2024 - Present • 2 yrs 2 mos

Scraper System Architecture: Designed and developed the company's core book data collection system; built distributed scrapers based on the Scrapy framework to achieve highly efficient and stable crawling of target book websites. Anti-Scraping Circumvention (JS Reverse Engineering): Conducted in-depth analysis of target websites' anti-scraping mechanisms; performed JS reverse engineering (including decrypting request parameters, cracking obfuscated code, and analyzing Cookie generation logic) to successfully bypass high-difficulty firewalls and ensure data continuity and integrity. API & Frontend Display: Developed high-performance, stable backend API interfaces using the Flask framework, seamlessly delivering cleaned book data to the frontend for visual display, enabling clients and internal teams to view data intuitively. Performance Optimization: Optimized scraper concurrency strategies and data ingestion workflows, significantly boosting crawling efficiency and guaranteeing real-time updates for massive book datasets.