Працював в 2 компаніях 1 рік 11 місяців
IT
Full Stack Developer
Pixelcats
IT
1 рік 5 місяців
08.2024 - 12.2025
- Designed and implemented a backend system in Node.js/TypeScript using Express.js and MongoDB. Developed a modular backend system using NestJS with PostgreSQL.
- Designed and implemented MongoDB/Mongoose data models for complex business entities. Designed and maintained data models, DTOs, and entities, ensuring a clean architecture and type safety.
- Built secure authentication and authorization flows using JWT, Passport.js, and OAuth 2.0, enabling multi-method login and role-based access control.
- Implemented middlewares for authentication (JWT), request validation, database connection handling, and error logging.
- Collaborated with cloud services via AWS SDK, including secure storage and retrieval operations.
- Collaborated on modular API architecture, separating controllers, routes, and validation logic for maintainability and scalability.
- Built a responsive web application using React.
- Designed and implemented a cross-platform mobile applications using React Native and Expo, delivering optimized performance for both iOS and Android.
- Designed and implemented responsive UI components with Tailwind CSS and Gluestack-UI to ensure consistent and adaptive user experiences.
- Integrated the frontend with a custom REST API backend.
- Applied modular design principles for maintainable code, separating UI, API, and business logic layers.
- Integrated Firebase Firestore for real-time data synchronization.
- Implemented Firebase Cloud Functions for secure server-side logic, including data validation, processing, and automated notifications.
- Managed secure backend communication with callable Firebase functions and optimized Firestore queries for performance.
Freelance Developer
Freelance
IT
7 місяців
02.2024 - 08.2024
- Designed and implemented a cross-platform mobile solution empowering beauty salon professionals to optimize client scheduling workflows, improving operational efficiency and reducing booking errors.
- Utilized Firebase Authentication for secure user account management and access control.
- Integrated Firebase Realtime Database via REST API using C++ and Qt Framework for robust data storage and retrieval.
- Built a responsive and user-friendly GUI with QML, ensuring a smooth user experience across devices.
- Deployed cloud functions using Google Cloud Run and incorporated Firebase Admin SDK for server-side operations.
- Scheduled automated backend tasks with Google Cloud Scheduler to handle periodic processes and updates.
Ключова інформація
- JavaScript, TypeScript
- C++, Java
- React, React Native
- Node.js, Express.js
- Spring Boot, Spring Web, Spring Data JPA
- RESTful API, GraphQL
- Databases (SQLite, MySQL, MongoDB)
- Docker, Docker Compose
- CMake
- Qt, QML
- Git, Github, Gitlab
Навчався в 1 закладі
Харківський національний економічний університет імені Семена Кузнеця
ІТ/Комп'ютені науки
2025
Володіє мовами
Англійська
вільно
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Російська
рідна
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Словацька
базовий
Українська
рідна
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Курси, тренінги, сертифікати
[Fundamentals].NET • C#Advanced • DataProcessing
C#
.NET
.NET Asynchronous and Multithreading Programming
ADO.NET
Entity Framework Core
Unreal Engine 5 C++ Developer by GameDev.tv
C++ Basics: Selection and Iteration by Codio
C++ Basic Structures:Vectors, Pointers, Strings, and Files by Codio
C++ Object Basics: Functions, Recursion, and Objects by Codio
Object-Oriented C++: Inheritance and Encapsulation by Codio
Java course by Neil Alishev
Додаткова інформація
Personal Projects
- Task Management System: Developed a full-stack task management system with containerized deployment and environment-based configuration. Built a React (Vite + TypeScript) frontend with Tailwind CSS and Axios for API communication. Designed a Spring Boot backend with RESTful API, using Java 17, Maven, and PostgreSQL. Implemented Dockerized setup for both development and production environments with Makefile automation. Enabled hot-reload for both frontend and backend in development mode. Created environment-based configurations with .env management and docker-compose orchestration. Focused on maintainability, scalability, and developer productivity. Tech stack: React (Vite), React Router, React Query, TypeScript, Tailwind CSS, Axios, Eslint & Prettier, Spring Boot, Spring Web, Spring Data JPA, PostgreSQL Driver, Lombok, Java 17+, Maven, REST API, Docker & Docker Compose, Makefile.
- Real-Time Screen Text Translation Tool: Designed and developed a desktop application that captures a selected screen area and translates its text in real-time. Integrated multiple translation APIs (Google Translate, LibreTranslate, DeepL) to ensure high accuracy and performance. Built with C++ and Qt Framework, using QML for a modern GUI. Implemented offline translation support and seamless cloud connectivity via REST APIs. Managed builds with CMake.
- Cross-Platform System Information Viewer: Created a desktop application for Windows and Linux to display detailed technical system information with diagrams. Utilized Qt Framework, NVML interface, AMD ADLX library, Windows API, standard OS libraries, and multithreading. Built using CMake and Qt VS Tools for Visual Studio 2022.
- C++ Client-Server Communication App: Developed a console-based application for communication between server-connected clients using Boost.Asio for networking and CMake for builds.
- Multi-Function Clock Application: Implemented a desktop app featuring an alarm clock, timer, stopwatch, and world clock. Developed with Qt Framework and Qt VS Tools for Visual Studio 2022.
- Application Volume Controller: Built a desktop utility to control the volume of any selected application using a hotkey. Leveraged Qt Framework, Windows APIs, process management, and audio session control.
- Product Management Coursework Application: Developed a desktop application to manage product information, categories, and manufacturers using SQLite3 for data storage, WxWidgets for GUI, and CMake for builds.
- Client Management Mobile App: Created a Java-based Android application to store client details and implemented birthday reminders. Built with Android Studio and AndroidX libraries.
- Discord Music Bot: Developed a Discord bot for music playback from YouTube playlists, Spotify playlists, and direct links. Implemented advanced queue management, playback controls (play, pause, skip, loop, shuffle), and seek functionality. Optimized asynchronous command handling with asyncio. Technologies: Python, discord.py, yt_dlp, spotipy
Rostyslav
Rostyslav
Junior Full-Stack Developer

Словаччина
Активно шукає роботу
повна зайнятість, неповна зайнятість
Характер роботи: стажування / практика, віддалена робота
Оновлено 19 годин тому