Vasile B Dev
Senior Python Developer, Web Scraping and Automation Expert
Habilidades

Conheça meus serviços


Portfólio
Experiência profissional
Senior Freelance Python Developer & Data Engineer
Fiverr • Freelance
Jan 2024 - Present • 2 yrs 6 mos
Architected and deployed high-performance, enterprise-grade automated data extraction systems. Specializing in building resilient scraper engines that bypass advanced web application firewalls (WAFs) and delivering executive-ready structured data dashboards. Key technical focus: - Bypassing advanced anti-bot protections (Cloudflare, Akamai, Imperva) using cryptographic TLS fingerprinting (curl_cffi) and custom proxy management. - Designing high-speed concurrent data pipelines using Scrapy and Playwright, optimized for absolute data integrity. - Engineering custom ETL pipelines, converting raw/chaotic web structures into premium styled Excel databases with dynamic formulas and real-time Google Sheets API sync. - Building robust script refactoring and debugging pipelines to optimize execution speeds and eliminate crash loops.
Python Developer / Data Automation Engineer
Upwork • Autônomo
Jan 2021 - Dec 2023 • 2 yrs 11 mos
Developed custom Python scripts and backend automation solutions for medium-sized business clients. Focused on creating efficient database integration systems, cleaning messy datasets, and automating repetitive data workflows. Key technical focus: - Building scalable database scripts (PostgreSQL, SQLite) to sync local business data with cloud endpoints. - Automating manual data entry pipelines using Pandas and OpenPyXL, reducing processing times by over 80%. - Designing and maintaining RESTful APIs to facilitate seamless data communication between business platforms. - Collaborating with international teams to deliver clean, documented, and fully tested codebases.