Ivan Gavrilin

• Developed and refactored a large-scale marketplace using FSD architecture and TypeScript. • Migrated legacy OOP to modular structure, built 100+ reusable components and key modules (registration, analytics, product & order management). • Simplified APIs with Next.js Server Actions, improving scalability, maintainability, and debugging time (−2×). • Delivered new features end-to-end in close collaboration with Backend, QA, and Design in Agile (Kanban), ensuring high performance and clean code.

Projects: • fontan-online (E-commerce): Built and rebuilt the platform to modernize design, architecture, and performance. Managed 2000+ products, integrated delivery and payment APIs, added bulk upload for faster catalog updates. • Expert Website: Developed React site with i18next, client-side routing, theme switching, and smooth animations. • GraphQL: Created GraphQL editor with real-time API visualization, auth, and tests. • Pool Game: Built interactive pool game using React, TypeScript, and Canvas.

• Represented German brands such as OASE, Grundfos, and Buderus, providing B2B sales, client relations, and interpreting for German partners. Organized business trips and trade fair visits to Germany, building 12+ years of collaboration with German companies.