• Implemented web code editor for a custom domain script language, based on monaco-editor. Using @lezer parser generator, developed a custom parser for the domain script language to provide syntax highlight- ing, autocompletion and embedded documentation. By simplifying the learning curve, the new editor resulted in a 10% increase in the number of users who started using this functionality;• Designed and developed internal solution for rendering custom menus and editors for columns in a big grid system. The solution was meticulously designed to replace legacy implementation by providing the ability for smooth migration of different types of columns one by one;• Rewrote Webpack Module Federation configuration, that resulted in 500Kb decrease of the bundle size;• Migrated frontend analytics from Amplitude to Avo + Segment for a line of client’s products;• Developed accessible and SEO optimized (lighthouse score 80+) landing pages for an international workspace provider using Next.js.

• Developed MVP of an internal CRM system for a grocery delivery company with a team of 2 developers. The early release of the MVP resulted in increased productivity of the support team, which in turn allowed the company to save six figures in the first month of use;• Set up and supported similar to Gitflow release process for an international consumer goods company.

• Led the process of upgrading React.js and moving from Recompose to React Hooks in a CRM system;• Actively participated in the process of migrating a project from JS to TS (from 10% of TS files to >95%);• Designed and implemented internal solution for rendering complex forms in a project that allowed other developers to create forms significantly faster via declarative API.