Fullstack Web Development
Fullstack web development with 16+ years of experience. CRM and ERP systems, online marketing platforms and e-commerce solutions. Lead processing systems with messenger integrations (Telegram, WhatsApp), social networks and other communication channels. End-to-end analytics implementation: Amplitude, Mixpanel, Google Tag Manager, Google Ads and Yandex.Direct integrations. Financial accounting modules, content moderation systems, promo codes and affiliate programs. Payment systems and AI integrations (OpenAI). Internal system interface design and high-converting landing pages. SEO optimization and technical promotion.