Zoltán Felházi
Zoltán Felházi - Frontend Developer specializing in React and Vue.js

Zoltán Felházi

Frontend Developer | React, Vue.js & TypeScript Expert

Experienced Frontend Developer specializing in React, Vue.js, Next.js, and TypeScript. Currently leading multiple projects as a tech lead, alongside developing a high-scale freelance application serving 5,000+ active users. Available for freelance projects in Cluj-Napoca, Romania.

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About Me

I am a frontend developer focused on building user interfaces using React and Vue.js. I completed my Master's degree in Computer Science at Babes-Bolyai University in July 2024, and Currently working as a tech lead at Lynx Solutions while also pursuing freelance projects as a Frontend Developer.

I am developing my soft skills also, trying to learn some project and team management skills. As a cheerful and collaborative individual, I find great satisfaction in working within teams. I have extensive experience mentoring frontend interns and contributing to high-scale applications.

Personal Info

  • Location: Cluj-Napoca, Romania
  • Nationality: Romanian, Hungarian
  • Born: October 27, 2000

Languages

HungarianNative
RomanianB2
EnglishB1

Professional Experience

Over 4+ years of frontend development experience, specializing in React and Vue.js ecosystems. Proven track record of building scalable web applications and mentoring development teams.

Frontend Developer
Freelance•
Remote

Currently contributing to a high-scale, user-facing application serving over 5,000 active users. Working within a modern frontend tech stack including Vue.js, Nuxt 3 (SSR), and TypeScript, with a strong emphasis on performance, maintainability, and scalability.

Key Responsibilities & Achievements:

  • Developing and maintaining new features in a complex, high-traffic crypto-related web app
  • Leveraging Nuxt 3 for server-side rendering and optimized SEO performance
  • Collaborating closely with backend teams integrating REST APIs
  • Utilizing Tailwind CSS to build clean, responsive, and accessible UI components
  • Staying at the forefront of frontend technology trends and best practices

Actively working in a fast-paced, innovative environment focused on the evolving Web3 ecosystem.

Vue.jsNuxt 3 (SSR)TypeScriptTailwind CSSREST APIsWeb3Crypto
Frontend Developer
Lynx Solutions•
Cluj-Napoca, Romania

As a frontend developer, I design and build modern, responsive, and accessible web applications with a strong focus on performance, scalability, and user experience.

Key Responsibilities & Achievements:

  • Developed and maintained high-performance web apps using React, Next.js, and TypeScript
  • Built clean, reusable UI components and responsive layouts using TailwindCSS, along with hands-on experience in CSS and SCSS
  • Delivered SEO-optimized projects leveraging advanced Next.js features like static site generation (SSG) and server-side rendering (SSR)
  • Integrated REST APIs and dynamic data fetching strategies for seamless frontend–backend communication
  • Ensured cross-browser compatibility and mobile-first design principles
  • Collaborated closely with designers and backend teams to implement pixel-perfect interfaces
  • Contributed to component libraries and internal tooling to improve development speed and consistency
ReactNext.jsTypeScriptTailwindCSSSCSSCSSREST APIsSEOSSGSSR
Frontend Internship Mentor (4 sessions: 2022–2025)
Lynx Solutions•
Cluj-Napoca, Romania

Mentored groups of frontend interns across multiple annual sessions (Spring or Summer), while continuing my core role as a frontend developer. Each internship ran for approximately 3 months per year, during which I dedicated time to guiding students through real-world projects, code best practices, and team collaboration.

Key Responsibilities & Achievements:

  • Led small frontend teams using React, Next.js, and TypeScript
  • Acted as both a mentor and project manager, managing task boards and product direction
  • Provided technical guidance, feedback, and performance evaluations
  • Focused on best practices: SEO, SSR, routing, form validation (Zod), component documentation (Storybook), and UI libraries (TailwindCSS, RadixUI)
  • Delivered training on API integration using backend collaboration
  • Projects included multi-language support, theme toggling (light/dark mode), and accessibility improvements
  • Continuously improved internship processes and contributed feedback for future sessions
ReactNext.jsTypeScriptZodStorybookTailwindCSSRadixUIMentoringProject Management
Full Stack Developer (Internship)
University Project•
Remote, Romania

Obligatory internship from university. Developed an online platform for internship management. Worked on both frontend (React) and backend (C#), learning full-stack development practices.

Key Responsibilities & Achievements:

  • Built complete internship management platform
  • Gained experience in both frontend and backend development
  • Learned team collaboration and development workflows
ReactC#.NETFull Stack Development

Skills & Technologies

Frontend Frameworks
ReactVue.jsNextJSNuxt 3JavaScriptTypeScriptHTML5CSS3
UI & Styling
TailwindCSSSCSSMaterial-UI (MUI)RadixUIResponsive Design
State Management & APIs
ReduxTanStack QueryAxiosRESTful APIsReact Hook FormZodYup
Tools & Soft Skills
GitTeam CollaborationMentoringProject ManagementMicrosoft OfficeProblem Solving

Education & Volunteering

Education

Master's Degree in Computer Science
Oct 2022 - Jul 2024
Completed
Babes-Bolyai University•
Cluj-Napoca, Romania
Bachelor's Degree in Computer Science
Sep 2019 - Sep 2022
Completed
Babes-Bolyai University•
Cluj-Napoca, Romania
Romanian Baccalaureate
Aug 2015 - May 2019
Completed
Bathory Istvan High School•
Cluj-Napoca, Romania

Volunteering

University Mentor Program
Sep 2020 - Jun 2021
Babes-Bolyai University•
Cluj-Napoca, Romania

Mentored 15 first-year students, helping them adapt to university life. Met weekly online to assist with homework and provide guidance on academic and personal matters.

Get In Touch

Contact Information
zfelhazi@yahoo.com
+40 749 208 281
Cluj-Napoca, Romania

I'm always interested in new opportunities and exciting projects. As a cheerful and collaborative individual, I find great satisfaction in working within teams. Feel free to reach out!