Iryna

[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
Kyiv, Ukraine, remote
IRYNA KNYZH Telegram

FULLSTACK DEVELOPER LinkedIn
GitHub

Can work during blackouts thanks
to the Anker charging station

SUMMARY

Fullstack JavaScript Developer with 4+ years of commercial software development experience and a
strong backend engineering background. Previously worked as a Backend Developer using PHP and
Laravel, developing REST APIs, business logic, and scalable backend services.
Recently completed the Full-Stack JavaScript program at Mate Academy, gaining hands-on
experience with JavaScript, TypeScript, React, Node.js, Express.js, PostgreSQL, and modern
development practices through real-world projects.
Currently focused on building full-stack applications with the JavaScript ecosystem while leveraging
extensive backend development experience.

SKILLS

Frontend: TypeScript, JavaScript, React, Redux Toolkit, HTML5, CSS3, Sass (SCSS)
Backend: Node.js, Express.js, Sequelize, Nest.js, TypeORM, WebSockets, PHP, Laravel, REST API
Database: MySQL, PostgreSQL, Elasticsearch, MongoDB, Redis
Tools & Practices: Git, Docker, Vite, ESLint, Prettier, Jest, OOP, Agile (Scrum, Kanban)
English: Upper-intermediate

EXPERIENCE

Fullstack Developer, Mate Academy (Educational Projects) Sep 2025 – Jul 2026

Technologies: JavaScript, TypeScript, React, Node.js, Express.js, PostgreSQL, REST API, HTML5, CSS3, Git.

Responsibilities:
Developed full-stack web applications using React, Node.js, Express.js, and PostgreSQL.
Implemented REST API endpoints, controllers, models, and business logic.
Created responsive React components and integrated them with backend services.
Wrote unit tests using Jest and followed clean code principles.

Backend Developer, StairwaySoft, Odessa Oct 2019 – Apr 2022

Technologies: PHP 8, Laravel 7, Node.js, Vue.js, MySQL, Elasticsearch, Redis

Responsibilities:
Developed and maintained 20+ REST API endpoints.
Migrated data from MySQL to Elasticsearch and created search aggregations.
Optimized Elasticsearch queries, reducing response time.
Implemented new business features for CRM/Admin panel.

Backend Developer, OSSYSTEM, Chernomorsk Nov 2017 – Aug 2019

Technologies: Symfony, Laravel, Yii2, MySQL, MariaDB, JavaScript, TypeScript, PHP, MongoDB

Responsibilities:
Developed backend functionality, REST APIs, and database logic.
Created admin panels and implemented authentication/authorization features.
Integrated third-party services, including Twilio and Google Maps API.
Refactored existing code and implemented new application features.

PORTFOLIO

Halo Fasting Tracker – [A full-stack fasting tracking application with JWT authentication and refresh token
rotation. Users can track fasting sessions. Next.js 14 and TypeScript on the frontend, NestJS with TypeORM on
the backend, PostgreSQL 16, orchestrated with Docker Compose and documented with Swagger.]
Demo
API Docs
GitHub Code

Accounting API – [A REST API for expense tracking built with Node.js, Express, PostgreSQL, and Sequelize.
Layered architecture, centralized error handling, 49 integration tests and CI on GitHub Actions.]
GitHub Code

React Phone Catalog – [A responsive e-commerce catalog for mobile phones, tablets, and accessories. Users
can browse products by category, view detailed product pages, search and paginate through listings, and
manage a shopping cart and favorites list.]:
Demo
GitHub Code

MyBike – [A responsive landing page for the MYBIKE brand, built from a Figma design. It features a sticky
header with navigation, a mobile menu, a product showcase, a details section, and a contact form.]:
Demo
GitHub Code

2048 Game – [A browser implementation of the classic 2048 puzzle game]:
Demo
GitHub Code

EDUCATION
2011 – 2016
Specialist Degree in Transport Systems
University of Customs and Finance, Dnepr

ADDITIONAL EDUCATION
2026
Fullstack course at Mate Academy
Git, HTML, CSS, JavaScript, Typescript, React
Certificate
2017
Fullstack course PHP-academy, Dnepr
PHP, OOP, Design Patterns, MVC, MySQL, JavaScript