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Hi, I’m Darii Hyriak, a frontend developer based in Krakow, Poland, with over 3 years of experience building modern, responsive web applications using React and the MERN stack. I focus on clean, efficient code and practical problem-solving, and I enjoy collaborating in SCRUM teams to deliver production-ready frontend solutions. I have hands-on experience with TypeScript, Material UI, Tailwind CSS, and Next.js, and I’m comfortable implementing secure authentication, performance optimizations, and analytics integrations. I’m always eager to learn new technologies and improve UI/UX with a user-first approach.…Hi, I’m Darii Hyriak, a frontend developer based in Krakow, Poland, with over 3 years of experience building modern, responsive web applications using React and the MERN stack. I focus on clean, efficient code and practical problem-solving, and I enjoy collaborating in SCRUM teams to deliver production-ready frontend solutions. I have hands-on experience with TypeScript, Material UI, Tailwind CSS, and Next.js, and I’m comfortable implementing secure authentication, performance optimizations, and analytics integrations. I’m always eager to learn new technologies and improve UI/UX with a user-first approach.

Darii Hyriak

Front-End Developer, Full Stack Developer, Web Developer, +1

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Hi, I’m Darii Hyriak, a frontend developer based in Krakow, Poland, with over 3 years of experience building modern, responsive web applications using React and the MERN stack. I focus on clean, efficient code and practical problem-solving, and I enjoy collaborating in SCRUM teams to deliver production-ready frontend solutions. I have hands-on experience with TypeScript, Material UI, Tailwind CSS, and Next.js, and I’m comfortable implementing secure authentication, performance optimizations, and analytics integrations. I’m always eager to learn new technologies and improve UI/UX with a user-first approach.…Hi, I’m Darii Hyriak, a frontend developer based in Krakow, Poland, with over 3 years of experience building modern, responsive web applications using React and the MERN stack. I focus on clean, efficient code and practical problem-solving, and I enjoy collaborating in SCRUM teams to deliver production-ready frontend solutions. I have hands-on experience with TypeScript, Material UI, Tailwind CSS, and Next.js, and I’m comfortable implementing secure authentication, performance optimizations, and analytics integrations. I’m always eager to learn new technologies and improve UI/UX with a user-first approach.

Available to hire

Hi, I’m Darii Hyriak, a frontend developer based in Krakow, Poland, with over 3 years of experience building modern, responsive web applications using React and the MERN stack. I focus on clean, efficient code and practical problem-solving, and I enjoy collaborating in SCRUM teams to deliver production-ready frontend solutions.

I have hands-on experience with TypeScript, Material UI, Tailwind CSS, and Next.js, and I’m comfortable implementing secure authentication, performance optimizations, and analytics integrations. I’m always eager to learn new technologies and improve UI/UX with a user-first approach.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Advanced

Polish

Advanced

Ukrainian

Fluent

Russian

Advanced

Work Experience

Middle FullStack Developer at Intredo

September 1, 2024 - Present

Responsible for the development and maintenance of web applications using the full MERN stack, delivering production-ready features. Built dynamic user interfaces with React.js and TypeScript, integrated with a Node.js/Express.js backend. Implemented components per Figma designs, ensuring visual consistency and responsiveness with Material UI or Tailwind CSS. Worked with MongoDB to design and maintain data structures. Implemented JWT-based authorization and secure access to resources. Collaborated with marketing to integrate analytics tools and CRM forms (Google Analytics, Facebook Pixel) to support conversion tracking.

Junior Frontend Developer at Boldare

May 1, 2022 - July 1, 2024

Developed and maintained React-based UIs for clients across Europe, focusing on performance, stability, and high-quality implementations. Built modular components, utilized patterns like HOC, and created custom hooks to improve scalability. Implemented performance optimizations (lazy loading, React.memo, Suspense, code splitting), Error Boundaries, and Web Workers for heavy computations. Worked with TypeScript, participated in code reviews, and produced technical documentation. Configured dev/stage/prod environments using Vite and supported deployment processes and build automation.