Endalk A.

6+ years of experience delivering scalable, high-performance web applications, RESTful APIs, web scrapers, and cloud solutions — with a strong focus on automation, security, and cost-optimisation. I help startups, SaaS companies, and enterprises design, build, and optimise backend systems, from AI-powered APIs to robust data extraction pipelines. ✅ My Expertise - Backend Development: Python (Django, Flask, FastAPI), Celery, Selenium - Databases: PostgreSQL, MySQL, Redis, SQLAlchemy + Alembic (ORM + migrations) AI & Embeddings: - OpenAI (o3 & o3-mini) embeddings - Google Gemini embeddings - Semantic search, recommendations, automation Cloud & DevOps: AWS (ECS, Lambda, RDS, S3), Kubernetes (EKS), Docker, Terraform, AWS CDK, CloudFormation CI/CD & Automation: GitHub Actions, scalable pipelines, IaC Frontend: HTML, CSS, JavaScript, Bootstrap, AJAX, HTMX Integrations: Shopify, Stripe, PayPal, Clover, custom APIs Web Scraping & Automation: - Playwright-based scraper with rotating proxy servers - Cloudflare bypass & stealth automation - Scalable crawling pipelines for data collection 🚀 What I Deliver - Full-Stack SaaS Platforms with secure, multi-tenant architectures - AI-powered APIs using OpenAI & Gemini embeddings - High-Performance APIs & Microservices (FastAPI / Django REST Framework) - Intelligent Web Scrapers with Playwright + proxy rotation for reliable data extraction - Database Optimisation — faster queries, better scaling - Cloud Deployments — AWS is cost-efficient, secure, and automated - E-Commerce & Payments — seamless Stripe, PayPal, Shopify integration 🎯 Why Hire Me? - Proven track record delivering scalable applications & scrapers for international clients - End-to-end expertise: architecture → development → deployment → monitoring - Skilled in embedding AI & automation directly into production apps - Experience building scrapers that bypass anti-bot systems (Cloudflare, IP blocks) - Strong focus on performance, maintainability, and cost efficiency