Hello, I'm
Ferenc Papp
Full-Stack Developer & AI Integration Specialist
I build fast, scalable web applications and integrate AI solutions that give your business a competitive edge. 15+ years of experience, clients worldwide.
About Me
Who I Am

Ferenc Papp is a freelance full-stack web developer based in Debrecen, Hungary, with over 15 years of professional experience. He specializes in building robust, scalable web applications using PHP/Laravel, Vue.js, React, Python, and cutting-edge AI technologies.
He delivers custom web applications, survey platforms, multi-tenant SaaS systems, and AI-powered automation solutions. His clients range from startups to established market research companies, and he is known for writing clean, tested, production-ready code.
Based in Debrecen, Hungary, Ferenc works with clients across Europe and the United States. He is fluent in English, a native Hungarian speaker, and has basic German proficiency. He provides custom web development, AI integration, and technical consulting services.
What I Do
Services
Custom Web Applications
From MVPs to enterprise multi-tenant platforms. Built with Laravel, Symfony, Vue.js, and React. Clean architecture, tested code, production-ready.
AI Integration & Automation
LLM integration (OpenAI, Anthropic APIs), vector databases, RAG pipelines, and agentic workflows. Practical AI solutions for real business problems.
Mobile & PWA Development
Progressive Web Apps with offline-first architecture. Cross-platform mobile solutions that load fast and work without connectivity.
Technical Consulting
Architecture reviews, technology selection, performance optimization, and dev team mentoring. Strategic guidance for your technical decisions.
Technologies
Tech Stack
Backend
Frontend
AI & Data
DevOps & Tools
Mobile
Career
Experience
2017 – Present
Full-Stack Developer & Technical Consultant
Self-employed (Sole Proprietor)
Freelance developer building custom web apps, survey systems, and AI integrations for clients including market research companies across Europe and the US.
2015 – 2017
Senior PHP Developer
Fathom Minds
Led web app and API development with Yii2. Set up Git infrastructure for the development team.
2014 – 2015
Frontend Developer
Oktafone
Startup web application development with AngularJS, JavaScript, HTML5, and CSS3.
2011 – 2014
PHP Developer
Freelancer (pappfer.hu)
Built websites for individuals and companies using PHP, Yii, Laravel, and WordPress. Facebook, LinkedIn, Box.com, and Stripe integrations.
2011
Service Desk Analyst 2nd Line
British Telecom
Configured network devices (routers, switches) for global network support. Communicated with clients worldwide in English.
2010 – 2011
Contact Center Server Administrator
IT Services Hungary
Linux and Windows server administration, Avaya IP phone management. Co-developed a PHP automation tool saving 3+ hours/day — received innovation award.
2009 – 2010
PHP Developer
Concept Solutions
Remote PHP development. Maintained and improved existing codebases, gaining experience with diverse architectures and implementation patterns.
What Clients Say
Testimonials
Reliable and fast. We have been working with him for years. He built several of our websites from scratch. I can only recommend him.
Excellent freelancer and very easy to work with. Great knowledge of PHP frameworks, excellent English and very good communicator, and very reliable.
Ferenc is a very talented PHP developer. He quickly got to grips with what was required and delivered everything (and more) that I expected. I would happily work with him again.
Common Questions
Frequently Asked Questions
Get In Touch
Contact
Have a project in mind? Let's discuss how I can help.