Яна

Denysiuk Yana
Frontend Developer
Contacts:

Gmail: [open contact info](look above in the "contact info" section)
Phone Number: [open contact info](look above in the "contact info" section)
Instagram: yana_denysiuk_
LinkedIn: [open contact info](look above in the "contact info" section)
%D0%B4%D0%B5%D0%BD%D0%B8%D1%81%D1%8E%D0%BA-697722252/

Foreign languages: English – Pre-Intermidiate; Poland – Upper-Intermediate.
My skills:
• HTML/CSS
• JS, ES6, TypeScript , JQuery
• React, React Router
• Next.js, Next Auth
• React Native(Expo), React Navigation
• REST API (fetch, axios), RPC, GraphQl, WebSocket.
• Formik
• Jest, React Testing Liberary
• Lodash, i18n, Firebase
• Monorepo
• Gulp 4
• Git, Versel
• SASS/SCSS, Flexbox and Grid, Animations, БЕМ
• Bootstrap 4, Tailwind, Material UI, Styled Components,Tamagui, Chakra UI
• Figma, Photoshop
• SEO
• WordPress

Experience:
11.2023 - till now, RubiDT

Web Developer

• Built a shared web and mobile project using a monorepo and port-based
architecture for scalability and code reuse.

• Participated in full-cycle development of a web application:

o Project structure planning

o Creating global UI components
 o Layout implementation and backend integration

o Telegram-based registration and authentication using NextAuth

o Payment and currency exchange functionality

o Full application deployment via Vercel

• Refactored and optimized an existing legacy project by migrating it to React

• Wrote unit and integration tests using Jest and React Testing Library

• Conducted code reviews, created development tasks, and facilitated team meetings
with stakeholders

Mobile Developer
• Developed a crypto wallet application from scratch, focusing on both UI implementatio
n and business logic.

• Implemented key features such as:

o User registration with validation

o Card validation for multiple countries

o User settings and password change

o Two-factor authentication (2FA)

o Profile editing, notifications, and transaction history

01.2023 – 11.2023, Laurus
• Developed and maintained responsive websites using React, TypeScript, and Styled
Components

• Worked with Next.js: implemented routing, optimized images with the
Image component, and used the Link component for navigation

• Built dynamic features such as data filtering and search based on API responses

• Configured global SCSS variables for colors, spacing, typography, and other design
tokens

• Managed persistent state using LocalStorage

• Applied Flexbox and CSS Grid for layout, used SCSS/SASS, semantic HTML, and
 followed BEM methodology

• Integrated animations and skeleton loaders for enhanced UX

• Worked with i18n to support multilingual functionality

• Created diverse UI components:

o Pages with images and text

o Modals, sliders, tables, accordions

o Custom buttons, loaders, skeletons

• Made HTTP requests (GET, POST, PUT, DELETE) for database interactions

• Used Gulp for project build automation and live reload during development

• Developed responsive HTML/CSS layouts for both websites and emails, including
table-based layouts for email compatibility

• Used WebP image format for optimized performance

• Followed best practices with em/rem units for responsive sizing

Education:
“Igor Sikorsky Kyiv Polytechnic Institute”, specialty «biomedical engineering», 2016 –
2022.
I am also engaged in self-education. To improve my English and programming skills I
watch videos and read articles. I read books like “Java Script for Children”, “Don't
make me think”, “Sembook”. Now I am reading “learn.javascript.ru” website.

Examples of my works:
https://new.transferland.io
https://eexwallet.eu/
https://naga.com/ , https://nagax.com/ , https://group.naga.com/
https://portfolio-yana-denysiuk.web.app/
https://marcho-90a8e.web.app/index.html

My GitHub:
https://github.com/yana1412?tab=repositoriesR