Діана

Diana Kovalova​ ​ ​ ​ ​ ​ ​ tel: [открыть контакты](см. выше в блоке «контактная информация»)

email: [открыть контакты](см. выше в блоке «контактная информация»)

I specialize in React.js/NextJS and have extensive experience in building custom solutions. I am
adept at building responsive and intuitive user interfaces using JavaScript and TypeScript, ensuring a
seamless user experience across devices. My approach is driven by a strong focus on problem
solving, attention to detail, and a commitment to writing clean, maintainable code that is easy to
understand and scale.

Tech Stack:
- Frameworks/Libraries: React, Redux, Next.js, Jekyll, jQuery, Bootstrap, ChartJS

- Programming languages: JavaScript, TypeScript ​​

- Web: HTML5, CSS3, WebSocket

- Preprocessors/Compilers: SASS, SCSS, Babel

- Patterns/Methodologies: Design Patterns, Scrum, Responsive Web Design

- Testing: Jest, Testing library

- Others: Git, Webpack, ESLint, Prettier

Work experience
Front-end developer

- Nemonetwork (December 2024 - Now) A startup developing a cryptocurrency exchange using
Next.js. Features include support for connecting with various wallets, creating multiple order types,
and retrieving user-specific data. Real-time data updates are implemented via WebSocket.
Technologies: NextJS, React, Redux, Redux-Thunk, Typescript, Websocket, Git, SCSS

- Dex.guru (September 2020 - September 2024) Developed an on-chain analytics and trading
terminal focused on providing an optimal trading experience. Integrated the React library to build
dynamic and responsive interfaces, and used TypeScript for type safety to ensure robust and
maintainable code. The project was configured using Webpack for efficient module bundling and
optimization. To ensure high quality code, test coverage was implemented using Testing Library and
Jest, which enabled thorough testing and validation of features.
Technologies: React, NextJS, Redux, Redux-Thunk, Typescript, Webpack, Jest, ChartJS, Git, SCSS
 - bZx (January 2020 - January 2021) Designed and developed animated landing pages to enhance
user engagement and interaction. Integrated new features based on the bZx protocol. My work
involved creating dynamic and visually appealing interfaces while maintaining performance and
responsiveness across devices.
Technologies: React, Redux, Typescript, Styled Components

- Defiprime (December 2019 - March 2020) Created new pages based on Figma designs, ensuring
they were visually consistent and responsive. Focused on refactoring and redesigning existing
components to improve performance and user experience. Provided ongoing support for the
Jekyll-built site, ensuring smooth functionality and timely updates.
Technologies: JavaScript, Jekyll, SCSS

- NordicSoft (October 2018 - January 2025) Created engaging and responsive landing pages,
ensuring a seamless user experience across devices. Converted Figma designs into clean, semantic
HTML code, maintaining the integrity of the original design. Additionally, Focused on refactoring
existing code for better performance and optimized it to ensure faster load times and smoother
functionality.
Technologies: JavaScript, jQuery, Bootstrap, SCSS

HTML coder

- IMS (March 2017 - October 2018) Converted Figma designs into clean and responsive HTML
code. Extended existing projects by adding new pages, forms, and features to ensure smooth
integration into the overall structure. Utilized Bootstrap to create and customize responsive layouts to
improve the user experience and maintain consistency across different screen sizes.
Technologies: jQuery, Bootstrap, SCSS

Education
- National Technical University of Ukraine 'Kyiv Polytechnic Institute' - Master of Computer
Applications (MCA), Computer Systems and Networks - 2015 - 2017

- National Technical University of Ukraine 'Kyiv Polytechnic Institute' - Bachelor of Engineering (BE),
Computer engineering - 2011 - 2015

Languages
- English: Upper intermediate

- Ukrainian: Native speaker