Nikita Averochkin

- Accelerated the build time of React part by 30%. Added caching, with it the speed is higher up to 80%. - Increased crash-free from 76% to 88.5% by implementing filtering of advertising and Adblock errors into our logging system. - Fixed more than 20% of failing autotests and reduced them overall running time by 5%. Increased the number of test attributes by ~3.5 times. - Improved the INP metric by 7%, optimized the initial loading of js modules.

- Reduced the build time of the entire project by ~50%. - Reduced the number of monthly support crash requests from 800 to 600 (by average). - Improved the UI/UX user satisfaction metric by ~40%. - Configured the CI process, which led to a 12% reduction in TTM. - Developed a UI Kit for the entire application from scratch. - Created detailed design documentation, sped up the onboarding process by 2 times.

- Increased the project's unit and e2e test coverage from ~20% to ~80%. - Migrated the project from class components to React 17, achieved a TTM reduction of up to 10%. - Reduced pages loading time by an average of 15% by implementing the react-query data-fetching mechanism. - Developed 3 key libraries from scratch that covers up to 80% of the company's report flow: chart, graph builder, pdf-builder.