Михайло

Mykhailo Loniak
Full-Stack JavaScript Developer
GitHub | Linkedin | Telegram | [відкрити контакти](див. вище в блоці «контактна інформація») | [відкрити контакти](див. вище в блоці «контактна інформація»)
SUMMARY
Full-Stack JavaScript Developer (React & Node.js), Mate Academy graduate, passionate about delivering clean,
scalable, and user-centric web applications from concept to deployment.
Gained hands-on experience during an internship at a social IT company, contributing to the “Hey-Boos” project as a Full-
Stack Developer. Designed and optimized RESTful APIs, integrated backend services with a React-based UI, and
implemented secure OAuth authentication — ensuring smooth and reliable user experience.

EXPERIENCE

Full-Stack Developer April 2025 – June 2025
Hey-Boos — Fund-Raising Platform Remote, full-time
Designed and implemented a RESTful API from scratch using Node.js and Express, ensuring scalable and
maintainable backend architecture.
Integrated the API with React 18, creating 12 reusable and responsive UI components that improved developer
efficiency and user interaction.
Implemented secure OAuth 2.0 authentication (Email, Google, GitHub) with JWT, passing a 100% security audit
and ensuring safe, reliable user login.
Optimized client-server communication, ensuring fast load times and smooth data flow across the platform.
Collaborated in a cross-functional team, following Agile methodologies and actively participating in code reviews and
architectural discussions.
Tech Stack: Node.js, Express, React, OAuth 2.0, JWT, REST API, JS ES6+, TypeScript, PostgreSQL, Git, Postman
Frontend Developer May 2024 – June 2024
Electronics Online Store Remote, full-time
Built a responsive e-commerce SPA (React 18 + TypeScript) with a dynamic catalog, favorites, shopping cart, and
checkout functionality.
Styled the application using HTML5 + modular SCSS, adhering to responsive design principles for mobile and
desktop.
Implemented state persistence using localStorage to ensure a smooth user experience across sessions.
Configured React Router for seamless navigation between pages and optimized route-based component loading.
Developed reusable UI components (product cards, buttons, modals) to improve maintainability and scalability.
Tech Stack: React 18, TypeScript, HTML5, SCSS (modular), React Router, localStorage, Git
Frontend Developer December 2023 – March 2024
NothingCompany Website Remote, full-time
Built a responsive marketing site using HTML5, modular SCSS, ensuring cross-device compatibility.
Implemented dynamic product recommendation cards to enhance user engagement.
Designed a collapsible desktop/mobile navigation menu for seamless site navigation.
Crafted interactive UI elements (buttons, inputs) with hover/active states and integrated form validation for contact
forms.
Tech Stack: HTML5, SCSS (modular), JavaScript, Google Fonts, responsive design, Git

EDUCATION
Full-Stack Developer Course November 2023 – October 2024
Mate Academy
Bachelor’s in Mechanical Engineering September 2013 – May 2018
Lviv Polytechnic National University

TECHICAL SKILLS
Frontend: HTML5, CSS3 / SCSS, Tailwind CSS, JavaScript (ES6+), TypeScript, React 18, React Router
Backend: Node.js, Express, REST API design, PostgreSQL (SQL, schema design)
Tools & Workflow: Postman (API Testing), Git / GitHub, npm, Vite / Webpack

LANGUAGES
Ukrainian - Native | English - Intermediate (B1) | Spanish - Basic (A2)