Nataliia Agarkova-Senior UI Engineer

Modernized legacy React code by transitioning from class components to functional components with hooks

Implemented React Apollo (useQuery and useMutation) for efficient data fetching and state management

Developed custom hooks to encapsulate and reuse logic across components

Integrated modern React patterns with existing legacy code

Improved code readability and maintainability through the use of hooks

Optimized performance by leveraging React Query's caching and background updates

Reduced boilerplate code by replacing class lifecycle methods with hooks

Enhanced separation of concerns by extracting data fetching logic into custom hooks

Facilitated easier testing of components and hooks

Improved overall application architecture while maintaining compatibility with existing systems

Executed incremental updates to the application interface, introducing three new features based on user feedback; increased overall user satisfaction scores by 25% while maintaining operational continuity throughout the process

Converted 60% of class components to functional components with hooks, reducing average component size by 30% (from 200 to 140 lines of code)

Decreased API call frequency by 40% through efficient caching via React Apollo

Increased code review approval rate by 25% through improved readability and maintainability

Decreased average page load time by 1.2 seconds and reduced unnecessary re-renders by 45%

Eliminated an average of 20 lines of lifecycle method code per class component

Developed React components using class-based architecture for a SaaS project with React-MUI, RestApi, Jest, React Testing Library

Integrated the React application into a microservice ecosystem

Created custom components extending Material-UI components

Implemented comprehensive unit testing using Jest and React Testing Library, achieving approximately 70% code coverage

Ensured compatibility and communication with other microservices

Customized Material-UI components to fit specific project requirements

Maintained consistent code quality through automated testing

Improved application maintainability with a modular, class-based structure

Integrated frontend and backend in a monolithic architecture (React, Node.js, Jest)

Developed custom React components and reusable components to maintain consistency

Utilized various libraries and integrated third-party libraries to enhance functionality

Created a cohesive application structure combining UI and server-side logic

Implemented communication between frontend and backend within a single codebase

Managed state and data flow in a combined frontend-backend environment

Ensured proper data handling between UI and server-side code

Mentored young professionals and conducted frontend interviews