Daniil

Riazanov Daniil - Front-End Developer
[відкрити контакти](див. вище в блоці «контактна інформація») https://github.com/DaniilR12 in/daniil-riazanov-0684ab349 t.me/danilfrontend

SUMMARY
Frontend Developer with 1.5+ years of experience building responsive and scalable web applications using React, Next.js, TypeScript, Redux Toolkit,
and Tailwind CSS. Experienced in developing production-like features including authentication flows, state management architectures, REST API
integration, and real-time WebSocket communication. Built multiple end-to-end projects with a focus on clean architecture, reusable components,
performance optimization, and responsive UI design across modern web applications.

SKILLS
- Front-end: React, Next.js, TypeScript, JavaScript ES6+, HTML5, CSS3
- Styling: SCSS, Tailwind CSS, Bootstrap
- State: Redux, Redux Toolkit
- Back-End: Node.js, Express
- Design: Figma
- DevOps: Git, Vite, Netlify, Vercel, CI/CD
- Concepts: Responsive Design, SPA, SSR, SEO, Accessibility (ARIA), Lazy Loading, Code Splitting
- Languages: English B1 · German A2 · Ukrainian (native) · Russian (native)

EXPERIENCE
Front-End Developer
SoftServe April 2025 - October 2025
• Developed a movie platform in a team of 5 developers using React and TypeScript.
• Built 10 reusable UI components (movie cards, detailed pages), reducing development time for new features.
• Implemented fully responsive design across mobile, tablet, and desktop devices, improving overall user experience.
• Integrated REST API handling multiple endpoints, asynchronous data, loading states, and error management.
• Participated in code reviews, improving code quality and reducing potential bugs across the project.
• Collaborated in a Git-based workflow (feature branches, pull requests, peer reviews) in a team of 5 developers, ensuring smooth integration and high
code quality.

PROJECT
Netflix Clone
React · TypeScript · Tailwind CSS · Redux Toolkit · RTK Query · Zod · React Hook Form
• Developed a Netflix-inspired web app with 10 pages for browsing and interacting with movie content.
• Implemented authentication flow with 2+ forms (login and registration) validated using React Hook Form and Zod, ensuring secure and reliable user
access.
• Integrated REST API with RTK Query, handling 10+ endpoints for efficient data fetching, caching, and synchronization.
• Built global state management and favorites system using Redux Toolkit for all user interactions.
• Added multi-language support (EN, DE, UA, RU) and theme switching with persistent user preferences.
• Developed fully responsive UI using a mobile-first approach across all device types.
Real-time Chat Application
React · TypeScript · WebSocket · Tailwind CSS
• Developed a real-time chat app for 50+ concurrent users, leveraging WebSockets and REST API for multi-room support.
• Achieved <200ms latency for live message exchange via WebSockets, eliminating page reloads and enhancing interactivity.
• Delivered a 100% responsive UI across mobile and desktop, ensuring a seamless and consistent UX on all platforms.
• Engineered data sync for 1,000+ persistent messages, ensuring high integrity across REST and WebSocket layers.
• Improved UI stability by 40% by optimizing connection states and delivery feedback (online/offline, loading).
• Cut integration bugs by 25% through strict API contract adherence, accelerating overall feature deployment.

EDUCATION
Bachelor's in Cybersecurity
Oles Honchar Dnipro National University • Dnipro, Ukraine • 2022

CERTIFICATIONS
▸ Responsive Web Design
freeCodeCamp (2025)
▸ JavaScript Algorithms and Data Structures
freeCodeCamp (2025)
▸Front-End Development Libraries
freeCodeCamp (2025)