Experienced Full-Stack Developer and SAS Consultant with over 14 years in Information Technology, including 7+ years specializing in SAS Programming, 3+ years in data analysis, and extensive expertise in modern web development with React, Python/Flask.
• Architected and deployed two full-stack applications: SaaS platform with microservices (React/Node.js) and sports catalog system (Python/Flask). • Integrated payment processing (Stripe API with EventBridge), authentication systems (AWS Cognito/JWT and session-based), and messaging APIs (Telegram Bot with real-time notifications). • Developed 40+ RESTful endpoints, Docker-orchestrated microservices, and comprehensive admin dashboards with automated workflows reducing manual processes by 100%. • Engineered intelligent data mapping, real-time polling mechanisms, hierarchical product organization, and PCI-compliant checkout flows. • Solved critical production issues including React rendering optimization, cross-service authentication, and API integration challenges.
Technologies used: React 19, Node.js/Express, Python, Flask, SQLAlchemy, Stripe API, AWS Cognito, Docker, Telegram Bot API, JWT