Maria — Frontend Developer
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Databases
A large-scale online marketplace for selling cars, motorcycles, spare parts, and automotive services across Russia. The project was focused on performance, SEO optimization, and mobile accessibility. Mariia implemented semantic markup using Schema.org, Open Graph, and Microdata to improve search engine visibility and correct content preview. She also developed a Progressive Web App (PWA) with offline access and optimized performance for mobile devices.
Read moreA CRM system for property management companies in the housing and utilities sector. The platform is designed for processing incoming requests and service tickets. Mariia implemented secure authentication using JWT and refresh tokens stored in HTTP-only cookies with automatic session renewal. She also integrated login via Telegram accounts, significantly simplifying the user authentication process.
Read moreA cross-border money transfer service with a fully featured payment gateway on the frontend side. Mariia implemented card data collection, 3D Secure 1.0 and 2.0 integration, challenge flow, iframe-based payments, redirects, session timers, and full callback and payment status processing. She also developed a multilingual interface (Russian, English, Chinese) using I18n, including full localization of UI texts, dates, currencies, and measurement units.
Read moreA web-based property management platform for commercial real estate owners and tenants. The system allows users to manage leases, track payments, monitor building occupancy, and communicate with tenants in real time. Mariia developed key parts of the user interface, implemented dynamic dashboards with data visualization, and integrated real-time updates via WebSockets. Special attention was paid to performance optimization and SSR for better SEO and fast initial loading.
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