Avatar

Emilia Sonder

Front-end developer

Passionate about clean code and delightful user experiences ✨

Front-end developer. Back-end explorer. UX/UI enthusiast. Creative thinker.

Hey there!

I’m a front-end developer with over three years of experience building user-friendly, scalable applications with TypeScript, React, and Next.js. I enjoy crafting intuitive interfaces, optimizing performance, and designing efficient system architectures.

I’ve worked on CRM and HRM platforms, UI libraries, and business tools, integrating REST API, GraphQL, and real-time updates. While front-end development is my focus, I also explore back-end technologies like Node.js, Express, and databases to gain a deeper understanding of the overall development process.

Always open to exciting projects and new challenges!

Got an idea?

Work experience

Apr 2025 - present

Middle+ front-end developer

Web application development using Next.js, TypeScript, Shadcn, and other technologies.

React
Next
TypeScript
JavaScript
SCSS
React Query
Shadcn
Tailwind

Oct 2024 - Apr 2025

Middle front-end developer

Built the front end for a social assistance management app using React, TypeScript, and MUI.

Integrated RTK, RTK Query, and SSE for real-time updates.

Wrote component tests with Vitest & React Testing Library.

Contributed to an HRM app using Next.js, TypeScript, and Mantine UI.

React
Next
Redux
TypeScript
JavaScript
SCSS
MUI
Mantine UI
RTK Query

May 2023 - Oct 2024

Front-end developer

Participated in the development of a CRM system using React and TypeScript, implementing FSD architecture principles.

Created a UI library based on MUI.

Refactored project structure and optimized code in accordance with SOLID, DRY, and KISS principles.

Assisted in developing the back end for a chat widget using WebSockets and MongoDB.

React
Redux
TypeScript
JavaScript
SCSS
Storybook
MUI
RTK Query
MongoDB
GraphQL
NodeJS
Express

Mar 2022 - May 2023

Front-end developer

Developed responsive websites from Figma designs using HTML, CSS, and JavaScript.

Integrated layouts with WordPress, including theme development and plugin setup.

Optimized website performance with SEO.

Maintained and updated websites by fixing bugs and implementing changes.

HTML
JavaScript
CSS
SCSS
PHP
WordPress