Andrii

Umanets Andrii
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Summary
Full-Stack JavaScript Developer with experience in building web applications using
Node.js, Express, SQL databases on the backend and React.js on the frontend. Skilled
in designing REST APIs, implementing authentication with JWT, and integrating
external services. Interested in creating efficient, user-friendly applications and
continuously improving technical expertise.

Skills
- Frontend: React.js, React hooks (useState, useEffect, useContext, useMemo,
useReducer, useNavigate), react-router-dom, cors, axios, socket.io-client, JavaScript
(ES6+), HTML5, CSS3 (Modules, Animations, Responsive Design)
- Backend: REST API, Node.js, Express, JWT Authentication, bcrypt, cors, dotenv, fs,
multer, nodemon, pg, socket.io, asynchronous programming with async/await,
Promises, event loop
- Databases: SQL (PostgreSQL / MySQL), schema modeling, normalization,
relationships, queries, CRUD, familiarization with Sequelize ORM
- Tools & Other: Git, GitHub, pgAdmin, Postman, chrome DevTools

Experience
Node JS developer in Oversecured (Sep-24 – Jun-25)
- Designed and implemented REST APIs with Node.js and Express
- Worked with SQL databases (queries, schema design, optimization)
- Implemented authentication and authorization using JWT
- Implemented asynchronous logic using async/await and Promises

Full-Stack developer during developing own pet-project (May-25 – Present)
- Built responsive and dynamic UI with React.js
- Used functional components and React Hooks for state and lifecycle management
- Worked with forms
- Managed global state with Context API
- Integrated frontend with backend REST APIs (axios)
- Styled applications with CSS modules
- Designed and implemented REST APIs with Node.js and Express
- Worked with SQL databases (queries, schema design, optimization)
- Implemented authentication using JWT
- Implemented asynchronous logic using async/await and Promises

Education
- Bachelor’s degree in Automation and Electrical Engineering - Odesa National Maritime
Academy (Sep-2013 – June 2017)