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Hi, I’m Olha Kolomiets, a Front-End Developer specializing in React, Next.js, and TypeScript. I focus on clean, maintainable architecture, performance, and a smooth user experience. I love turning complex requirements into intuitive interfaces and collaborating closely with designers and back-end developers to deliver polished features. I have experience working with enterprise e-commerce systems (SAP Hybris) and modern product-focused stacks (React, Next.js, Tailwind, Material UI). I enjoy mentoring, code reviews, and improving code quality through documentation and engineering practices. I also contribute to open source and help teams enhance their online presence and accessibility.…Hi, I’m Olha Kolomiets, a Front-End Developer specializing in React, Next.js, and TypeScript. I focus on clean, maintainable architecture, performance, and a smooth user experience. I love turning complex requirements into intuitive interfaces and collaborating closely with designers and back-end developers to deliver polished features. I have experience working with enterprise e-commerce systems (SAP Hybris) and modern product-focused stacks (React, Next.js, Tailwind, Material UI). I enjoy mentoring, code reviews, and improving code quality through documentation and engineering practices. I also contribute to open source and help teams enhance their online presence and accessibility.

Olha Kolomiets

Front-End Developer, Web Developer, Full Stack Developer, +2

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Hi, I’m Olha Kolomiets, a Front-End Developer specializing in React, Next.js, and TypeScript. I focus on clean, maintainable architecture, performance, and a smooth user experience. I love turning complex requirements into intuitive interfaces and collaborating closely with designers and back-end developers to deliver polished features. I have experience working with enterprise e-commerce systems (SAP Hybris) and modern product-focused stacks (React, Next.js, Tailwind, Material UI). I enjoy mentoring, code reviews, and improving code quality through documentation and engineering practices. I also contribute to open source and help teams enhance their online presence and accessibility.…Hi, I’m Olha Kolomiets, a Front-End Developer specializing in React, Next.js, and TypeScript. I focus on clean, maintainable architecture, performance, and a smooth user experience. I love turning complex requirements into intuitive interfaces and collaborating closely with designers and back-end developers to deliver polished features. I have experience working with enterprise e-commerce systems (SAP Hybris) and modern product-focused stacks (React, Next.js, Tailwind, Material UI). I enjoy mentoring, code reviews, and improving code quality through documentation and engineering practices. I also contribute to open source and help teams enhance their online presence and accessibility.

Available to hire

Hi, I’m Olha Kolomiets, a Front-End Developer specializing in React, Next.js, and TypeScript. I focus on clean, maintainable architecture, performance, and a smooth user experience. I love turning complex requirements into intuitive interfaces and collaborating closely with designers and back-end developers to deliver polished features.

I have experience working with enterprise e-commerce systems (SAP Hybris) and modern product-focused stacks (React, Next.js, Tailwind, Material UI). I enjoy mentoring, code reviews, and improving code quality through documentation and engineering practices. I also contribute to open source and help teams enhance their online presence and accessibility.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Advanced

Ukrainian

Fluent

Russian

Fluent

Polish

Beginner

Work Experience

Frontend Developer (Volunteer) at Charity Language Foundation

April 1, 2025 - Present

Volunteer frontend developer helping improve the foundation's online presence and deliver accessible information across regions. Built multilingual pages using React, Next.js, and Material UI; created responsive layouts for mobile devices and slow networks; implemented custom sliders and carousels with lazy loading to support media-heavy landing pages; collaborated with non-technical team members to translate ideas into clear UI solutions. Achievements include improved Lighthouse performance and mobile responsiveness.

Frontend Developer (React) at AIM prosoft

January 1, 2021 - December 31, 2025

Built features using React and TypeScript, including reusable UI components and flexible layouts. Implemented pagination, filtering, forms, validation, and reliable loading/error states. Integrated REST and GraphQL APIs and improved data handling consistency. Developed responsive UI using Tailwind CSS and Material UI. Improved performance with memoization, lazy loading, and optimized images. Contributed to documentation and code reviews, helping maintain code quality.

Frontend Developer (SAP Hybris, Shopify) at AIM prosoft

January 1, 2018 - December 31, 2021

Developed responsive interfaces with HTML, CSS, SCSS, JavaScript, and jQuery. Created reusable UI templates and standardized styling patterns. Worked closely with backend developers to ensure cross-browser compatibility. Migrated storefronts toward modern stacks, improving performance and long-term scalability. Modernized legacy UI components, reducing layout bugs and enhancing UX.