Dmytro Rychek

Senior Software Engineer with 12+ years of experience building and scaling production systems in highload environments (5M+ users, 300K MAU, 2TB DB). Delivered revenue-impacting features including payment integrations (PayPal, Crypto wallet) and subscription add-ons, increasing paid conversions and unlocking new user segments.

Experienced in designing distributed systems, automation platforms, cloud, and AI-driven tools, including LLM-based analytics assistants and workflow automation. Strong focus on end-to-end delivery, from architecture design to production launch across SaaS, iGaming, FinTech and automation domains using PHP and Node.js.