Andrii

ANDRII DOMALCHUK
Backend developer

About Me

Hi there! I’m a dedicated junior backend developer with 1 year of
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I develop and support backend functionality, focusing on data
protection, solving technical issues and maintaining reliable
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application performance.
Ukraine

WORK EXPERIENCE
SKILLS
May 2025 - present time / NDA

Node.js / TypeScript Node.js developer
Express.js Built backend architecture from scratch for a production
application
REST API
Designed and implemented REST API endpoints using Node.js,
MySQL
Express and TypeScript
MongoDB, Mongoose Worked with relational and non-relational databases (MySQL,

Redis MongoDB, Redis)
Implemented authentication, authorization and role-based access
GitHub, Bitbucket
control (JWT, HTTP cookies)
HTML, CSS Created an admin panel, where the frontend was developed using
Eta, EJS Eta templates
Integrated third-party APIs and handled asynchronous data flows
Developed a Telegram bot for server-side alerts
TOOLS
Wrote and maintained API documentation
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 Learned the basics of computer building, object-oriented
programming principles and general software development
Ukrainian - Native concepts.