Denys C.

Middle Python Backend | API Engineer

🚀 Backend Developer & Automation Specialist Turning complex systems into efficient, scalable solutions 🧠 I don’t just write code - I build systems that work tirelessly for your business. With 3+ years of hands-on experience, I specialize in backend development, automation, and advanced data extraction from complex and protected sources. ⚙️ What I Do 🔹 Design and build robust backend architectures 🔹 Develop REST APIs and internal services 🔹 Automate repetitive and business-critical workflows 🔹 Extract data from open & hidden APIs (JSON / CSV) 🔹 Scrape websites with CloudFlare protection, lazy-load, and dynamic rendering 🔹 Create human-like scrapers with user behavior simulation 🔹 Build admin panels, dashboards, and data pipelines 🕷️ Advanced Web Scraping & Data Extraction 🌐 Modern websites are complex - and that’s exactly where I’m strongest. ✅ CloudFlare & anti-bot systems ✅ JavaScript-heavy websites ✅ Lazy-load / infinite scroll ✅ Session-based & token-protected APIs ✅ Private / undocumented endpoints 📦 Output formats: - JSON - CSV - Databases (PostgreSQL, MySQL, MongoDB) - Admin panel or REST API service (Django admin / Swagger) - Source Code 🤖 Automation That Never Sleeps ✨ I develop large-scale, long-running automation systems that: - run 24/7 - scale with your business - reduce manual work - eliminate human error From simple scripts to enterprise-level automation pipelines, I focus on reliability, maintainability, and performance. 🧩 Tech Stack 💻 Backend - Python (FastAPI, Django) - Async & high-load systems 🗄️ Databases - PostgreSQL - MongoDB - Redis - Firebase - AWS S3 - SQLite 🧪 Automation & Scraping - Requests / HTTPX - BeautifulSoup4 - Selenium / Playwright - Browser automation - API reverse-engineering ☁️ Deployment & Ops - Linux servers - Cron jobs & background workers - CI/CD - GIT 🌟 Why Clients Choose Me 🔥 Not just a coder — a problem solver 🔥 Clean, readable, production-ready code 🔥 Strong focus on business logic, not just features 🔥 Honest communication & clear estimates 🔥 Systems built to scale, not to break 🏆 My Philosophy “If it can be automated - it should be automated.” “If data exists - it can be extracted.” 📬 Let’s Build Something Powerful Whether you need: - a custom scraper - a backend REST API - a business automation system 👉 I’m ready to help you turn complexity into clarity. 🚀 Let’s automate. Let’s scale. Let’s win.