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dav_simis

David S

@dav_simis

Python Developer , Web Scraping and Automation Specialist

China
English, Chinese
About me
I am a professional Python Developer with a strong focus on high-scale web scraping and data extraction. I specialize in bypassing complex anti-scraping measures (Cloudflare, CAPTCHA) to provide clean, structured data for your business needs. My Expertise: Frameworks: Selenium, Playwright, Scrapy, DrissionPage. Data Processing: Clean and organize data into Excel, CSV, JSON, or SQL databases. Automation: Custom scripts for repetitive web tasks and API integration. I pride myself on fast delivery, 100% data accuracy, and building maintainable scrapers. Let's turn your data needs into a reality!... Read more

Skills

d
dav_simis
David S
Offline • 
Average response time: 1 hour

See my services

Automations & Agents
I will do professional python web scraping and data extraction
From$5 / projectMore details
Photo Manipulation
I will restore and colorize your old damaged photos with ai
From$5 / projectMore details

Portfolio

Work experience

Freelancer.com

Senior Automation & Data Systems Engineer

Freelancer.com • Self-employed

Jan 2021 - Present • 5 yrs 4 mos

Specialized in developing high-performance automation solutions and data processing systems for large-scale engineering projects. • Developed custom Python and VBA tools to automate the processing of telecommunications base station data, improving workflow efficiency by over 60%. • Designed and implemented automated data extraction scripts using Selenium and Playwright to gather technical specifications from multiple platforms. • Created specialized GIS mapping tools for automatic KML/layer generation and geographic data visualization (Geometric Data). • Built automated image archiving and renaming systems for site survey photos using Python and timestamp-based logic. • Expert in cleaning and transforming complex datasets into structured Excel/CSV/JSON formats for technical reporting.