Сервис поиска работы №1 в Украине
Карен
Front-end программист
- Город проживания:
- Львов
- Готов работать:
- Львов, Удаленно
Контактная информация
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KAREN MARTYROSIAN
Front-end developer
[открыть контакты ](см. выше в блоке «контактная информация») [открыть контакты ](см. выше в блоке «контактная информация») Ukraine
ABOUT ME
Front-End Developer with 4+ years of experience building and scaling React-based applications,
including early-stage products and high-load systems. Strong expertise in modern front-end
architecture, performance optimization, and delivering high-quality user experiences.
Experienced in working closely with product managers, designers, and backend engineers to deliver
features end-to-end - from discovery and design to production. Comfortable making technical
decisions, taking ownership of features, and working in fast-paced startup environments with
evolving requirements.
WORK EXPERIENCE
SC One | 08/2025 – 04/2026
Front-end Developer
Worked on a digital electronic signature platform with real-time collaboration features.
Built core features for an electronic signature platform used for real-time collaboration
Reduced UI latency in real-time updates by ~30% through optimized WebSocket handling
Improved data fetching efficiency, decreasing unnecessary requests by ~25% using TanStack
Query
Increased UI consistency and development speed by introducing reusable component patterns
Improved overall application performance and reduced re-renders through better state
management (Zustand)
Collaborated with backend and product team to deliver features end-to-end with minimal rework
Tech: React, Next.js, TypeScript, Tailwind CSS, Zustand, TanStack Query, WebSockets, Vite
Individual Contributor (iGaming Platform) | 01/2025 – 07/2025
Middle Front-end Developer
Worked on a high-load, real-time platform with complex business logic and heavy user interaction.
Led migration from React to Next.js, improving initial load time by ~35–40%
Improved SEO visibility through SSR/SSG implementation
Participated in architectural decisions, including application structure, data flow, and rendering
strategies
Reduced bundle size by ~25% via Webpack optimizations and code splitting
Increased application responsiveness in real-time features (WebSockets)
Collaborated on architectural decisions impacting scalability and performance
Improved user experience in data-heavy interfaces through optimized state management
Tech: React, Next.js, TypeScript, Redux Toolkit, WebSockets, Webpack
Elromco | 04/2023 – 12/2024
Middle Front-end Developer
Developed a CRM system for a moving company, including both internal tools and mobile applications.
Built a mobile-first application from scratch used by field workers
Reduced time to complete key user actions by ~20% through UX improvements
Improved data loading performance by ~30% using React Query caching strategies
Decreased number of production bugs by introducing unit testing
Improved cross-device usability and responsiveness across the platform
Actively collaborated with product and stakeholders, reducing feature rework
Tech: React, TypeScript, Redux Toolkit, React Query, Styled-components, SCSS, Jest, Ant Design
Akvelon | 04/2021 – 03/2023
Junior Front-end Developer
Worked on enterprise CRM systems for international clients.
Developed new UI features and improved existing functionality
Refactored legacy codebase, improving maintainability and performance
Worked with Redux (Thunk, Saga) for state management in complex applications
Collaborated in a team environment with code reviews and agile processes
Participated in testing and debugging to ensure high-quality releases
Tech: React, TypeScript, Redux, Redux Saga, Material UI
SKILLS
PROGRAMMING LANGUAGES LIBRARIES / FRAMEWORKS API’S / DATA
JavaScript React.js REST APIs
TypeScript Next.js Axios
HTML5 / CSS3 Material UI Yup
Ant Design
Zustand
Tanstack Query
React Query
Redux / Redux Toolkit
i18next / react-i18next
BUILD TOOLS / DEV TOOLS STYLING AI TOOLS
Webpack SCSS Modules / Sass Github Copilot
Git Responsive Design GLM 4.7
WebStorm Cross-browser Compatibility
Storybook
LANGUAGES
English - Intermediate
Ukrainian - Native
EDUCATION
A.N. Beketov Kharkiv | 2013-2017
Bachelor of Management
Front-end developer
[
ABOUT ME
Front-End Developer with 4+ years of experience building and scaling React-based applications,
including early-stage products and high-load systems. Strong expertise in modern front-end
architecture, performance optimization, and delivering high-quality user experiences.
Experienced in working closely with product managers, designers, and backend engineers to deliver
features end-to-end - from discovery and design to production. Comfortable making technical
decisions, taking ownership of features, and working in fast-paced startup environments with
evolving requirements.
WORK EXPERIENCE
SC One | 08/2025 – 04/2026
Front-end Developer
Worked on a digital electronic signature platform with real-time collaboration features.
Built core features for an electronic signature platform used for real-time collaboration
Reduced UI latency in real-time updates by ~30% through optimized WebSocket handling
Improved data fetching efficiency, decreasing unnecessary requests by ~25% using TanStack
Query
Increased UI consistency and development speed by introducing reusable component patterns
Improved overall application performance and reduced re-renders through better state
management (Zustand)
Collaborated with backend and product team to deliver features end-to-end with minimal rework
Tech: React, Next.js, TypeScript, Tailwind CSS, Zustand, TanStack Query, WebSockets, Vite
Individual Contributor (iGaming Platform) | 01/2025 – 07/2025
Middle Front-end Developer
Worked on a high-load, real-time platform with complex business logic and heavy user interaction.
Led migration from React to Next.js, improving initial load time by ~35–40%
Improved SEO visibility through SSR/SSG implementation
Participated in architectural decisions, including application structure, data flow, and rendering
strategies
Reduced bundle size by ~25% via Webpack optimizations and code splitting
Increased application responsiveness in real-time features (WebSockets)
Collaborated on architectural decisions impacting scalability and performance
Improved user experience in data-heavy interfaces through optimized state management
Tech: React, Next.js, TypeScript, Redux Toolkit, WebSockets, Webpack
Elromco | 04/2023 – 12/2024
Middle Front-end Developer
Developed a CRM system for a moving company, including both internal tools and mobile applications.
Built a mobile-first application from scratch used by field workers
Reduced time to complete key user actions by ~20% through UX improvements
Improved data loading performance by ~30% using React Query caching strategies
Decreased number of production bugs by introducing unit testing
Improved cross-device usability and responsiveness across the platform
Actively collaborated with product and stakeholders, reducing feature rework
Tech: React, TypeScript, Redux Toolkit, React Query, Styled-components, SCSS, Jest, Ant Design
Akvelon | 04/2021 – 03/2023
Junior Front-end Developer
Worked on enterprise CRM systems for international clients.
Developed new UI features and improved existing functionality
Refactored legacy codebase, improving maintainability and performance
Worked with Redux (Thunk, Saga) for state management in complex applications
Collaborated in a team environment with code reviews and agile processes
Participated in testing and debugging to ensure high-quality releases
Tech: React, TypeScript, Redux, Redux Saga, Material UI
SKILLS
PROGRAMMING LANGUAGES LIBRARIES / FRAMEWORKS API’S / DATA
JavaScript React.js REST APIs
TypeScript Next.js Axios
HTML5 / CSS3 Material UI Yup
Ant Design
Zustand
Tanstack Query
React Query
Redux / Redux Toolkit
i18next / react-i18next
BUILD TOOLS / DEV TOOLS STYLING AI TOOLS
Webpack SCSS Modules / Sass Github Copilot
Git Responsive Design GLM 4.7
WebStorm Cross-browser Compatibility
Storybook
LANGUAGES
English - Intermediate
Ukrainian - Native
EDUCATION
A.N. Beketov Kharkiv | 2013-2017
Bachelor of Management
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Резюме кандидата размещено по адресу: https://www.work.ua/resumes/9417431/