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Hi, I’m Karoly Hornyak, a Full-Stack Developer specializing in JavaScript, React, and Node.js. I build scalable, mobile-first web applications and API-driven systems, delivering maintainable code from concept to deployment. I collaborate with teams, participate in code reviews, troubleshoot issues, and continuously learn new technologies. I thrive in client-facing environments, translating requirements into secure, high-performance solutions. I own end-to-end projects from architecture to deployment and maintenance, and I strive for high client satisfaction through iterative development and clear communication.…Hi, I’m Karoly Hornyak, a Full-Stack Developer specializing in JavaScript, React, and Node.js. I build scalable, mobile-first web applications and API-driven systems, delivering maintainable code from concept to deployment. I collaborate with teams, participate in code reviews, troubleshoot issues, and continuously learn new technologies. I thrive in client-facing environments, translating requirements into secure, high-performance solutions. I own end-to-end projects from architecture to deployment and maintenance, and I strive for high client satisfaction through iterative development and clear communication.

Karoly Hornyak

Full Stack Developer, Web Developer, Back-End Developer, +2

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Hi, I’m Karoly Hornyak, a Full-Stack Developer specializing in JavaScript, React, and Node.js. I build scalable, mobile-first web applications and API-driven systems, delivering maintainable code from concept to deployment. I collaborate with teams, participate in code reviews, troubleshoot issues, and continuously learn new technologies. I thrive in client-facing environments, translating requirements into secure, high-performance solutions. I own end-to-end projects from architecture to deployment and maintenance, and I strive for high client satisfaction through iterative development and clear communication.…Hi, I’m Karoly Hornyak, a Full-Stack Developer specializing in JavaScript, React, and Node.js. I build scalable, mobile-first web applications and API-driven systems, delivering maintainable code from concept to deployment. I collaborate with teams, participate in code reviews, troubleshoot issues, and continuously learn new technologies. I thrive in client-facing environments, translating requirements into secure, high-performance solutions. I own end-to-end projects from architecture to deployment and maintenance, and I strive for high client satisfaction through iterative development and clear communication.

Available to hire

Hi, I’m Karoly Hornyak, a Full-Stack Developer specializing in JavaScript, React, and Node.js. I build scalable, mobile-first web applications and API-driven systems, delivering maintainable code from concept to deployment. I collaborate with teams, participate in code reviews, troubleshoot issues, and continuously learn new technologies.

I thrive in client-facing environments, translating requirements into secure, high-performance solutions. I own end-to-end projects from architecture to deployment and maintenance, and I strive for high client satisfaction through iterative development and clear communication.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Hungarian

Advanced

Work Experience

Full-Stack Web Developer at Self-Employed / Contract

January 1, 2022 - January 1, 2025

Designed, developed, and deployed scalable full-stack web applications using React, Node.js, PHP, and SQL-based databases. Built mobile-first, responsive user interfaces with HTML, CSS, Sass, and Bootstrap, ensuring cross-browser compatibility. Developed RESTful APIs and integrated third-party services to automate workflows. Translated client and stakeholder requirements into secure, maintainable, and high-performance solutions. Managed projects end-to-end, from architecture and development to deployment and maintenance. Delivered multiple projects on time and within budget while maintaining high client satisfaction. Collaborated with clients incorporating feedback through iterative development. Worked on projects including Real-Time Lorry Tracking System (In Progress) and various client websites to improve operational visibility.