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 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.