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Sebastian F. T.

@keylogin

Python Developer And Data Extraction Specialist

Roemenië
Engels, Roemeens
Sommige informatie wordt in het Engels weergegeven.
Over mij
Python Developer & Data Extraction Specialist I am a Python Developer specializing in high-performance Web Scraping, ETL pipelines, and Competitor Intelligence systems. What sets my service apart is a solid foundation in Cyber Security. I don’t just write basic scripts that get banned after a few hundred requests. I design resilient, stealth data extraction architectures capable of bypassing modern anti-bot protections (Cloudflare, Akamai, advanced WAFs) using premium proxy rotation, TLS fingerprint mimicking, and human-behavior emulation.... Lees meer

Skills

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keylogin
Sebastian F. T.
offline • 

Bekijk mijn diensten

Data scraping
I will build a custom python web scraper for any website
VanafUS$ 30 / projectMeer informatie
Websites op maat
I will develop custom python web applications using django or flask
VanafUS$ 80 / projectMeer informatie

Portfolio

Werkervaring

Freelancing_Career

Python & Data Automation Developer

Freelancing Career • Freelance

Nov 2022 - Present • 3 yrs 11 mos

- Developed and maintained Python scripts for task automation, web scraping, and data parsing from various unstructured web sources. - Project - Enterprise Web Scraper: Engineered high-concurrency data pipelines bypassing advanced anti-bot systems (Cloudflare, DataDome). Extracted, cleaned (Pandas), and ingested 500k+ real estate records into a PostgreSQL Data Warehouse via API. - Project - E-commerce Data Pipeline: Built a robust data extraction pipeline in Python to process and clean large datasets (600k+ records). Implemented concurrent HTTP requests (asyncio/threading) and Regex filtering to validate digital fingerprints (e.g., identifying tags) and efficiently remove inactive domains. - Project - Serverless AWS Data Pipeline: Architected a fully automated ETL pipeline using AWS Cloud. Configured Amazon S3 (Landing/Clean zones) with event triggers to invoke AWS Lambda functions. Utilized Python (AWS SDK for Pandas) to transform raw CSV data into optimized Parquet format, implementing strict IAM least-privilege security policies and AWS Glue data cataloging. - Built backend web applications and RESTful APIs using Django, integrating them securely with relational databases (PostgreSQL, MySQL). - Contributed to and maintained open-source projects, focusing on utility scripts, LLM API integrations, and security concepts.

Renault_Group

Quality Assurance (QA) & IT Test Engineer

Renault Group • Fulltime

Jul 2018 - Sep 2023 • 5 yrs 2 mos

Responsible for maintaining absolute Data Accuracy and Quality Assurance (QA) across multiple data processing systems and software solutions. Designed and executed rigorous testing protocols (manual and automated) to ensure bug-free script deployments and seamless pipeline integrations. Analyzed system logs, handled edge-case exceptions, and isolated data anomalies to optimize code performance and prevent data leakage. Collaborated closely with development teams to review logic, validate database schemas, and ensure all deliverables met strict corporate compliance standards.