Ілля

Illia Rozhok
(Middle Front-end Developer)
Odesa, Ukraine
[відкрити контакти](див. вище в блоці «контактна інформація»)
[відкрити контакти](див. вище в блоці «контактна інформація»)
[відкрити контакти](див. вище в блоці «контактна інформація»)

Summary:
Front-end engineer with 4 years of experience creating modern, user-friendly, responsive web applications.
Proved ability to collaborate with cross-functional teams, solve complex challenges, and deliver high-quality
code. Proactive about crafting robust solutions and always ready to learn and implement cutting-edge
technologies.

Technical Skills:

Languages:
JavaScript(ES6+) (4 years);
TypeScript (3 years);

Frameworks & Libraries:
React.js (4 years);
Redux(Toolkit, Saga) (4 years);
Next.js (1 year);
react-hook-form (3 years);
WebSockets (3 years);
auth0 (0.5 years);
JWT (3 years);

Testing:
react-testing-library (1.5 years);
jest (0.5 years);

Tools:
HTML5 (4 years);
CSS3/SASS (4 years);
git (4 years);
npm (4 years);
Figma (4 years);
AdobeXD (4 years);
AWS (0.5 years);

API Development:
REST API (4 years);
Swagger Documentation (3 years);
Postman (3 years);

Experience:
OneRetail | iGameMedia 02-2025 - now
Software to deliver specific content into retail betting premises through EPG ‘TV Guide’ UI (using Amino
H200 STBs as hardware). Building timeline and events selection, including real-time streaming and
information pane interaction.

Responsibilities:
Led the development of the EPG “TV Guide” UI using React, TypeScript as core libraries;

Achievements:
Delivered an adaptable EPG interface that improved content navigation speed by 30%, streamlining
access to live events and channel information;
Reduced page load times by 25% by implementing code splitting and lazy loading techniques;
BookingCMS | iGameMedia 01-2024 - 02-2025
Present CMS for customers in the betting industry. Huge CMS with dashboard statistics, tables, a technical
configuration like setting stream type satellites etc.

Responsibilities:
Configure the project;
Develop new features;
Fix bugs;
Write unit-tests;

Achievements:
Implemented 4 new sections for the customers, improving access to critical information by 30%;
Led the UI redesign, enhancing user experience and contributing to a 25% increase in user engagement;
Improved UX combined six separate small forms into a complex flexible one;
Took a part in configuring the project by adding aliases and linter;

ModusSuperSeries | iGameMedia 05-2022 - 01-2024
This project is a management system for the darts tournaments, including widgets-on-websockets for TV,
animation pre-match page, statistic pages, and huge cms for handling tournament stuff.

Responsibilities:
Develop new features, perform refactoring, and ensure the long-term maintainability of the application;

Achievements:
Delivered three fully responsive pages according to the provided design, enhancing user experience and
meeting project deadlines;
Reduced reported bugs by 40%;
Redesigned the user interface, aligning the application with modern design standards and increasing user
satisfaction;
Successfully upgraded key libraries, including React and TypeScript, ensuring improved performance, security,
and access to the latest features;
Migrated the state manager from redux-saga to redux-toolkit, reducing codebase complexity by 30% and
significantly improving code readability and maintainability for other developers;

7Element web | UAPP 01-2022 - 04-2022
Development of an application for creating Instagram stories. My role was to assist developers in creating
new features and fixing existing bugs.

Responsibilities:
Collaborated with a cross-functional team to build a dynamic web application for generating customizable
Instagram stories, develop new features, and maintain the project;

Achievements:
Successfully delivered 10+ React pages, meeting design specifications and deadlines;
Gained hands-on experience with modern front-end tools, including React, TypeScript, and Git;

Education:
KNUKIM, International Relations, Bachelor
(2013-2017)

Certifications:
Udemy: Web-developer (Ivan Petrychenko) (2021), TypeScript (Ivan Petrychenko) (2022)
HILLEL: Front-end pro (2’nd place in the final course rating)

Languages:
Ukrainian – Native
English – Advanced (A1)