Andrii

ANDRII DOMALCHUK
Node.js developer

About Me

Hi there! I’m a dedicated junior backend developer with 9 month of
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commercial experience.
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I develop and support backend functionality, focusing on data
[открыть контакты](см. выше в блоке «контактная информация») protection, solving technical issues and maintaining reliable
application performance.
Ukraine - Poland

SKILLS WORK EXPERIENCE

May 2025 - present time / NDA
Node.js / TypeScript
Node.js developer
Express.js
Built backend architecture from scratch for a production
REST API
application
MySQL Designed and implemented REST API endpoints using Node.js,

MongoDB, Mongoose Express and TypeScript
Worked with relational and non-relational databases (MySQL,
Redis
MongoDB, Redis)
GitHub, Bitbucket Implemented authentication, authorization and role-based access
HTML, CSS control (JWT, HTTP cookies)
Created an admin panel, where the frontend was developed using
Eta, EJS
Eta templates
Integrated third-party APIs and handled asynchronous data flows
TOOLS Developed a Telegram bot for server-side alerts
Investigated and fixed bugs across the codebase
VS Code, Cursor

MySQL WorkBench
EDUCATION
Postman

Trello, Jira 2024 - present time

Automation, Computer-Integrated Technologies and Robotics
LANGUAGE Lutsk National Technical University

English - Pre-intermediate I've learned the basics of computer building, object-oriented
programming principles and have basic knowledge of C, Python.
Ukrainian - Native