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Serg Mi

@sergmi

Frontend Developer at COZMOBET LP. building Vue 3 features for an online gaming and sports betting platform.

Serbia
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At COZMOBET LP., I develop and maintain Vue 3 interfaces for an international online gaming and sports betting platform. I build pages and features from Figma designs and integrate REST APIs with existing backend functionality.

I support multilingual and regional versions of the platform, including RTL interfaces, and optimize responsive layouts for desktop and mobile. My work also includes mobile web and Android WebView environments.

I create promotional pages with animations and interactive elements, investigate production bugs, and improve existing frontend functionality through code reviews. I work with designers, backend developers, product managers, and marketing/SEO specialists.

Previously, I volunteered as a Frontend Developer at mentorintech.ru, where I developed a bot that checked Google spreadsheets for user and event information and sent role-based messages. It served over 1,200 users. As a freelance Javascript Developer at Lekker Day, I developed a Telegram bot that translated article images, added text-to-speech, and automated article publication and distribution.

Experience

Work history, roles, and key accomplishments

COZMOBET LP logoCL
Current

Frontend Developer

Mar 2024 - Present (2 years 7 months)

Develop and maintain Vue 3 interfaces for an international online gaming and sports betting platform.
Build new pages and features based on Figma designs.
Integrate REST APIs and work with existing backend functionality.
Support multilingual and regional versions of the platform, including RTL interfaces.
Optimize responsive layouts and frontend performance for desktop and mobile devices.
Work wit

mentorintech.ru logoME

Frontend Developer (Volunteer)

Sep 2023 - Mar 2024 (6 months)

Developed a bot for https://mentorintech.ru/ that checks information in Google spreadsheets for users and events.
Used JavaScript to send messages according to roles.
Successfully served over 1,200 users, providing effective interaction with the community.

Lekker Day logoLD

Javascript Developer

Feb 2023 - Sep 2023 (7 months)

Developed a Telegram bot that takes an image with an article and translates it into various languages.
Utilized JavaScript for integration with AWS Polly, elevenlab, and ChatGPT.
Implemented text-to-speech functionality and automated the publication of the translated article on a website using Instantview for Telegram.
Automated the distribution of articles across different channels.

Education

Degrees, certifications, and relevant coursework

HE

Hexlet

Frontend Developer

ME

Meta

Version Control

Aug 2026

ME

Meta

Programming with JavaScript

Jul 2026

ME

Meta

Introduction to Front-End Development

Jul 2026

Липецкий Государственный Технический Университет (ЛГТУ)

Специалист, Металлургические машины и оборудование

2005 - 2010

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