Аліна

Alina Dvoriannykova
Kharkiv, Ukraine | [open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)

Summary
Front End Developer with more than 2 years of professional experience in web
development. Proficient in HTML, CSS, JavaScript and Typescript, with a focus on creating
responsive and user-friendly web applications. Skilled in using modern front-end frameworks such
as React and Next.js to build interactive interfaces. Experienced in working collaboratively in agile
teams to deliver high-quality software solutions. Knowledgeable in REST API integration, MySQL,
and MongoDB. Passionate about learning new technologies and staying up to date with industry
trends.

Experience
Feb 2024 – March 2025
Front-End Developer
Technology stack: HTML, CSS, JavaScript, TypeScript, React.js, Next.js, Web Sockets, React Hook
Form, Redux, Valibot, REST API, Next Auth, Material UI, Git, Recharts, Apex Charts.
- Developed a chat system with support for text messages, file sharing, and video messages using
WebSockets and Socket.io for real-time communication.
- Optimized data handling by integrating Virtualized Lists for efficient rendering of messages and
large datasets.
- Integrated complex forms with React Hook Form and Valibot, ensuring custom validation and
state management.
- Connected and processed data via REST API, leveraging Next.js (client-size, server-side
rendering, ISR and static rendering).
- Developed custom charts and visualizations using Recharts and Apex Charts.
- Implemented a role-based access control system, ensuring proper user permissions and data
protection.
- Utilized Material UI to build a modern, responsive, and customizable UI, adapting themes and
components to project needs.
- Implemented authentication and registration with Next Auth, including two-factor authentication
for enhanced security.
- Localized the application using Next Intl, providing multilingual support.
- Optimized frontend performance using Lazy Loading for components and images, Code Splitting,
API request caching (React Query), Debouncing, useMemo, useCallback, and React.memo.
- Wrote unit tests (Jest) and end-to-end tests (Cypress) to ensure key functionality coverage.

Dec 2023 – Feb 2024
Full-Stack Developer
Technology stack: HTML, CSS, JavaScript, TypeScript, React.js, Next.js, Jest, REST API, Prisma,
MySQL, TailwindCSS, MobX, Next Intl (i18n), other third-party libraries.
- Developed an e-commerce platform and a landing page of specialist’s services and contact form
with smooth animations using Framer Motion.
- Designed and implemented a REST API using Prisma ORM, with a MySQL database architecture
developed from scratch.
- Integrated cookie-based authentication with iron-session for secure user login.
- Optimized the website for SEO, implementing dynamic meta tags, sitemap, structured data, and
SSR, CSR, static rendering, ISR.
-Used MobX for state management in the shopping cart, ensuring a fast and responsive UI.
-Styled the interface with Tailwind CSS, providing a fully responsive and customizable design.
- Wrote unit tests (Jest) to cover critical functionalities.
- Deployment on VPS hosting with NGINX.

Jun 2022 – Oct 2023
Front-End Developer
Fraunhofer Institute for Integrated Circuits IIS
Technology stack: HTML, CSS, JavaScript, TypeScript, React.js, Next.js (Pages Router), Redux,
React Query, Chart.js, NextAuth, REST API, WebSockets, Leaflet, WebGL, Tailwind CSS, Storybook,
Jest, Cypress
- Developed a web platform for managing and running 5G connection simulations, implementing
authentication with NextAuth.
- Integrated REST API for handling simulations, using React Query for efficient client-side data
fetching and caching.
- Managed global application state with Redux, ensuring scalable and maintainable state handling.
- Designed and implemented simulation result visualization, displaying outputs as videos, photo
timelines, images, and interactive charts with Chart.js.
- Built a real-time data visualization system on Leaflet maps, receiving large data sets via
WebSockets and optimizing rendering for smooth performance.
- Created an informational website using pure HTML, CSS, and JavaScript, implementing custom
animations and an interactive UI.
- Explored WebGL by building a small project that allowed developers to write and visualize shader
code directly in the browser, providing an interactive testing environment.
- Styled the UI using Tailwind CSS, ensuring a responsive and modern interface.
- Utilized Storybook to develop and document UI components for improved maintainability and
scalability.
- Wrote unit tests (Jest) and end-to-end tests (Cypress) to ensure application stability and
reliability.

Education
Sep 2023 – Jul 2026
Computer Science and Intelligent Systems – Bachelor
National Technical University “Kharkiv Polytechnic Institute”

Sep 2019 – Jul 2023
Computer Science – Junior Specialist
Kharkiv computer and technology professional college National Technical University “Kharkiv
Polytechnic Institute”

Hard and Soft Skills
Hard skills:
- Programming languages: HTML, CSS, JavaScript, TypeScript, SQL. Basics of C, C++ and Python.
- Design software: Figma.

Soft Skills:
- Communication: English – intermediate, Ukrainian – native, Russian – native.
- Teamwork: Agile.
- Others: fast and continuous learning, adaptability, time management.