rolanq

• Worked on FAQ application in a small team (2 frontend developers), taking full ownership of the client-side architecture and implementation. • Developed an admin panel for managing a FAQ system: article creation, tree structure (up to 7 levels), rich text editor based on Lexical editor. • Designed and implemented a pixel-perfect the public-facing FAQ interface from scratch, including tree navigation. • Collaborated with designers and backend developers to improve UX and reduce support load by delivering a clear and intuitive help system. • Reduced the number of critical bugs, contributing to a smoother and more enjoyable user experience. Implemented authentication via VKID. Technologies: TypeScript, Next.js, VKUI, VKID, Module-CSS, Lexical, Husky, ESLint.

• Worked on a credit application module in mid-sized team (3 frontend developers). • Maintained and improved an existing production application, fixing critical bugs and making the UX more seamless. • Migrated and integrated the application as a microfrontend into a large-scale ecosystem developed by 10+ cross-functional teams. • Acted as the lead frontend developer for one year, overseeing the development and technical direction of multiple applications. • Reduced the bundle size and implemented code splitting into chunks to increase application performance by 10%. • Designed and built an internal admin panel from scratch for viewing logs and monitoring the main application. • Configured Husky and ESLint, which brought the code into a consistent style. Technologies: MVC, TypeScript, React, Redux Toolkit, SberUI, EFS, GraphQl, Apollo Client, Webpack Module Federation, Husky, ESLint, CRACO.

• Worked on improving the UX of a cloud mining app in a small team (2 frontend developers). • Built dashboards to improve visibility into mining statistics, which increased customer engagement by 10%. • Helped design and implement a custom UI Kit using Storybook and Styled-Components, improving consistency and reusability across the project. • Integrated transaction creation and viewing functionality based on a custom token (HCFC), BTC and ETH. • Implemented MetaMask authentication to allow secure wallet-based login. Migrated the entire frontend from REST API to GraphQL with Codegen, reducing boilerplate and increasing development speed by 20%. Technologies: FSD, TypeScript, React, Zustand, GraphQl, Styled-Components, Storybook, MetaMask SDK, Vite, ESLint.