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

Career Timeline

A visual representation of my professional journey, starting from a single life branch. Each education creates its own branch, while employment and freelance work have dedicated branches that fork from life.

Education

Romanian Baccalaureate
Bathory Istvan High School•Aug 2015
Bachelor's Degree in Computer Science
Babes-Bolyai University•Sep 2019
Full Stack Developer (Internship)
University Project•Jul 2021
Master's Degree in Computer Science
Babes-Bolyai University•Oct 2022

Employment

Frontend Developer
Lynx Solutions•Sep 2021 - Jan 2024
Frontend Internship Mentor
Lynx Solutions•Mar 2022 - May 2025
Frontend Tech Lead
Lynx Solutions•Jan 2024 - Present

Freelance

Felhazi Zoltan PFA
Freelance•Nov 2024
Frontend Developer
Freelance•Dec 2024 - Oct 2025
Christmas Photo Shoot Booking App
Freelance•Dec 2025

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!