Nataliia Agarkova
Senior UI Engineer
Experience
Aug 2021 - Present
4 yearsSenior UI Engineer
Grid Dynamics
- 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.
- Modernized legacy React code: Converted 60% of class components to functional components with hooks. Reduced average component size by 30% (from 200 to 140 lines of code).
- Converted 60% of class components to functional components with hooks.
- Implemented React Apollo: Decreased API call frequency by 40% due to efficient caching.
- Improved code readability and maintainability: Increased code review approval rate by 25%.
- Optimized performance:: Decreased average page load time by 1.2 seconds. Reduced unnecessary re-renders by 45%.
- Reduced boilerplate code: Eliminated an average of 20 lines of lifecycle method code per class component.
- Developed React components using class-based architecture for a SaaS project utilizing React-MUI, RestApi, Jest, and 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.
- Achieved a high code coverage of approximately 70%.
- 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.
- Balanced custom development with library utilization for efficient development.
- For an internal project, integrated frontend and backend in a monolithic architecture using React, Node.js, and Jest.
- Developed custom React components for this internal project.
- Utilized various libraries to enhance functionality in this internal project.
- Created a cohesive application structure combining UI and server-side logic for this internal project.
- Implemented communication between frontend and backend within a single codebase for this internal project.
- Optimized performance for a monolithic React application in this internal project.
- Managed state and data flow in a combined frontend-backend environment for this internal project.
- Developed reusable custom components to maintain consistency across the application for this internal project.
- Integrated third-party libraries with custom components for this internal project.
- Ensured proper data handling between UI and server-side code for this internal project.
- Mentoring young professionals.
- Providing frontend interviews.
Nov 2019 - Aug 2021
1 year 10 monthsFrontend Engineer
Marketplace SuWorld
- Leveraged technologies such as React, TS, Redux, ApolloGraphQL Codegen, Jest-Enzyme.
- Creating MVP in very short time.
- Migrate frontend features from React-Redux to React-Apollo+Codegen (typed built-in React hooks).
- Providing UI-kit with reusable components in Storybook.
- Creating and integration new interfaces.
- Mentoring and code-review process.
- Integration with API.
Jan 2018 - Dec 2019
2 yearsUnited States
Junior Frontend Engineer
Aerotage USA
- Utilized technologies including React, Redux, TS, Jest, Enzyme.
- Providing and maintaining custom UI-kit.
- Creation various types of interfaces.
- Code-review process.
- Taking a part of planning/grooming of development process.
Languages
Polish
AdvancedEnglish
Elementary Education
Oct 2021 - Jun 2024
University Jana Kochanowskiego
Master Degree, Diploma with honors · Kielce, Poland
Oct 2018 - Jun 2021
University Jana Kochanowskiego
Bachelor Degree · Applied Maths, Machine Learning, Deep Learning, SQL, Set Theory, Statistics · Kielce, Poland
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