Катерина

Kateryna Petrovska-Khomenko

PHP developer
Full-time | Remote
Age: 21
Location: Khmelnytskyi, Ukraine

Contact Information
• Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)
• Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
• Telegram: @kateria_lock

Technical Skills
• Programming Languages: PHP, JavaScript, Python, C#, C++, Java, SQL.
• Frameworks & Web Technologies: Laravel, Yii / Yii2, WordPress, Django, HTML5,
CSS3, jQuery, Bootstrap.
• Databases: MongoDB, SQL (MySQL / PostgreSQL).
• Operating Systems: Linux, Windows.

Work Experience
PHP backend-developer
Outpost Club | January 2023 - January 2026 (3 years of commercial experience)
Responsibilities & Key Achievements:
• Refactoring & System Modernization: Conducted deep refactoring and optimization of
legacy code; successfully rewrote and migrated system components to a modern PHP
stack (Laravel), which significantly improved application stability and simplified
maintenance.
• DB Optimization & Architecture: Managed data migration and designed a new
relational database structure. Completely overhauled the table relationship architecture
(one-to-one, one-to-many, many-to-many) to ensure data integrity and accelerate SQL
query performance.
• Full-Stack Development: Developed front-end web pages from scratch, ensuring
seamless integration and connection with back-end business logic.
 • Key Achievement: Successfully refactored and normalized the database architecture
while fully rewriting the backend logic for a core block of pages. This resulted in a
substantial reduction of the codebase, faster interface response times, and enhanced
overall system stability.

Education
Khmelnytskyi Polytechnic College of Lviv Polytechnic National University
September 2019 – June 2023 (4 years)
• Major: Software Engineering
• Acquired Skills: Gained a solid foundation in Computer Science, including Object-
Oriented Programming (C#, Java), low-level algorithms (C++), working with non-
relational databases (MongoDB), and basic Linux OS administration.

Languages
• Ukrainian: Native
• English: Intermediate (B1)