Gleb Grachev
Flutter Apps, Telegram Bots & Miniapps | SaaS Builder
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SafeBoost — VPN & Privacy Protection App
Developed a cross-platform VPN application for iOS and Android with one-tap connection to ensure user privacy and security. Implemented robust encryption protocols and a strict no-logs policy to protect user data. Designed a clean, intuitive interface with a single-button control for easy server switching and connection management. Built on Flutter for seamless performance across both platforms.
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Built a platform connecting clients with mobile service providers (beauty, repair, cleaning). Developed separate UX flows for clients and service providers with a unified backend. Implemented intelligent booking with dynamic calendar slots, real-time provider tracking (GPS with smart triggers), cascade notification system (push → SMS → chat), in-app chat, and online payments. Freed up 85% of phone calls for scheduling and reduced support calls by 70% with live tracking.
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Developed a cross-platform mobile app for a beauty salon chain. Built a complete ecosystem with three separate interfaces: clients book appointments 24/7, specialists manage their own schedules, and administrators control the entire workflow through a web panel. Integrated an automated reminder system (push + SMS) reducing no-shows by 25%, online payment, and a loyalty program with visit history. Freed up to 60% of administrators' time by eliminating manual phone booking.
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Built a full-featured mobile store for a Belarusian natural cosmetics brand, replacing their WordPress website. Developed a multi-currency architecture (BYN/RUB) with automatic exchange rate conversion and integrated two payment systems — YooKassa for Russia and BePaid for Belarus. Implemented a PRO-subscription model with 40% discount across the entire product range, a referral program for bloggers, and 6 delivery options managed through a flexible tariff system. Built admin panel for full control over products, orders, promotions, and loyalty programs.
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