Irsim Lee
I am a frontend developer with more than five years of experience building responsive web applications, CRM systems, and desktop software.
About
I am a frontend developer with more than five years of experience building responsive web applications, CRM systems, and desktop software. I specialize in React, TypeScript, JavaScript, state management, API integration, and adaptive user interfaces.
- 6 years' experience
- Joined August 2026
Languages
- RussianFluent
- EnglishAdvanced
Industry experience
- Software & Internet
- Retail
- Travel & Hospitality
- Professional Services
More experts in Almaty, Kazakhstan
Work experience· 4 roles
Developed interfaces for a B2B CRM system using React, TypeScript, Vite, SCSS, Ant Design, RTK Query, JWT, and Feature-Sliced Design. Implemented secure authorization, routing, API integration, filtering, tables, forms, modals, and adaptive UI. Designed and delivered a desktop POS/CRM application for the restaurant industry using React Electron, TypeScript, Ant Design, SQLite, and JWT. Built an offline-first, fault-tolerant model with synchronization after connection recovery, local database support, order and receipt management, inventory, table assignments, fast cashier data entry, and receipt printing.
Developed and implemented a CRM system for a service center specializing in heating and hot water boiler maintenance. Built functionality for managing employees, service requests, spare parts, and customer records using React, Redux, SCSS, Webpack, and related technologies. Also designed responsive landing pages and corporate websites and integrated CMS platforms, payment systems, and administrative panels.
Built websites based on Adobe Photoshop and Adobe Illustrator templates using CSS3, HTML5, JavaScript, PHP 5, and Twitter Bootstrap.
Education
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