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Modernized the internal product management panel: migrated a legacy jQuery admin tool to React/TypeScript, dramatically accelerating catalog operations for the merchandising team. Helped to develop the loyalty program core: built the customer dashboard featuring purchase history, point earning/redemption, and personalized promo coupons. Boosted checkout conversion by 8%: our team redesigned the cart-to-order flow with instant field validation, address autocomplete, and smart delivery slot selection.

Founded and scaled the Startup Cycle project to pre-seed stage: secured acceptance into Skolkovo Foundation pre-accelerator (top 5% of startups). Designed and built web service architecture from scratch: independently selected the technology stack including Next.js and set up the entire development infrastructure. Optimized frontend performance: reduced page load time by 36% and improved interface responsiveness by refactoring the critical rendering path. Ensured codebase stability: introduced unit testing practices using Jest and React Testing Library, increasing test coverage to 43%. Proposed and implemented 6 UX/UI improvements that directly increased user engagement metrics by 18%.

Delivered the official website for Russia’s largest cybersecurity event (CTF Cup): built and launched a high-load platform serving the nation’s most popular CTF competition. Built and launched an e-commerce store from scratch: developed a retail platform and payment infrastructure to monetize the CTF community and event merchandise. Modernized the tech stack without service disruption: seamlessy migrated a critical project from Vue to React, improving long-term maintainability and perfomance. Managed project timelines and quality by accurately estimating tasks and defining realistic timelines using a time tracker, while improving the perfomance of legacy codebases through targeted optimizations. Collaborated with cybersecurity specialists to translate strict domain constraints into practical UX/UI solutions, enhancing cross-team communication and improving design outcomes.