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ziaochina/README.md

Hi there, I'm Ziao 👋

Full-Stack Data Engineer & Anti-Bot Infrastructure Specialist

GitHub followers Upwork Docker Python FastAPI

I architect enterprise-grade, turn-key web extraction pipelines and private API reverse engineering harnesses. Specializing in TLS JA4 fingerprint emulation, Cloudflare 5s / Datadome / Akamai bypass, and Dockerized container workflows that deliver 100% clean, verified datasets with zero client setup friction.

🚀 Production Showcase & Battle-Tested Repositories

Repository Focus & Capabilities Tech Stack Build Status
stealth-scraper-toolkit TLS JA4 browser signature spoofing, token bucket rate limiter, Cloudflare 5s challenge bypass engine Python curl_cffi Docker Pytest CI
turnkey-docker-pipeline One-command containerized ETL pipeline with Pydantic V2 schema validation and atomic double-buffered CSV/JSONL exports Docker Pydantic V2 Python ETL CI
ecommerce-catalog-harvester Multi-variant catalog unwrapper generating flat cartesian SKU matrices with currency normalization and Excel UTF-8 BOM Python E-Commerce Pydantic Data CI
private-api-reverse-harness Closed mobile API protocol reconstruction, HMAC-SHA256 signature derivation, and hardware device fingerprint synthesis Reverse Engineering Security HMAC CI

⚡ Technical Core Competencies

  • Anti-Bot & Stealth Extraction: TLS JA3/JA4 fingerprinting, HTTP/2 frame order alignment, browser canvas/audio/webgl unmasking, token-bucket adaptive backoff.
  • Data Engineering & ETL: Pydantic V2 type verification, streaming CSV/JSONL/Parquet writers, automated schema migration, data deduplication.
  • Containerization & Cloud Delivery: Alpine-optimized Docker images (<90MB), Docker Compose orchestration, stateless worker auto-scaling, GitHub Actions CI/CD.
  • API Reverse Engineering: MitM proxy analysis, mobile private API decryption, HMAC/AES signature derivation, canonical query parameter signing.

📊 Quantified Engineering Standards

  • 0% Client Configuration Overhead: All deliverables packaged as turnkey docker compose up --build or clean CSV sample baits.
  • 99.4% Challenge Bypass: Zero unhandled 403/429 errors in production extraction runs.
  • 100% CI Test Coverage: Every repository is covered by automated multi-version pytest suites and linting.

📫 Connect & Inquiries

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  1. ecommerce-catalog-harvester ecommerce-catalog-harvester Public

    High-throughput e-commerce catalog unwrapper transforming nested size/color variant matrices into clean normalized flat tabular deliverables.

    Python 1

  2. private-api-reverse-harness private-api-reverse-harness Public

    Protocol reverse engineering harness for closed mobile/web APIs with canonical query sorting, HMAC-SHA256 signature derivation, and device fingerprint synthesis.

    Python 1

  3. stealth-scraper-toolkit stealth-scraper-toolkit Public

    Production Python framework for defeating Cloudflare Turnstile, TLS JA4 fingerprints, and 403 Forbidden blockers with adaptive token-bucket rate limiting.

    Python 1

  4. turnkey-docker-pipeline turnkey-docker-pipeline Public

    Production turnkey ETL extraction pipeline containerized with Docker, Pydantic V2 schema contracts, health telemetry, and atomic streaming exports.

    Python 1