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I will custom website development full stack, full stack website front end developer
Rosario
About this gig
Need a powerful, responsive, and scalable digital solution built around your business?
I'm Rosario Lewis, a professional Full Stack Developer specializing in custom development, frontend and backend development, web applications, and API integration. I create modern, fast, secure, and user-friendly solutions from scratch or improve existing projects with clean, maintainable code.
Services I offer:
- Full Stack Development from scratch
- Frontend UI development and responsive design
- Backend development and database integration
- Custom web applications and dashboards
- REST API development and third-party API integration
- User authentication and CMS
- Payment gateway integration
- Bug fixing, redesign and performance optimization
- SEO-friendly development
Technologies:
HTML, CSS, JavaScript, TypeScript, React, Next.js, Vue.js, Node.js, PHP, Laravel, MySQL, MongoDB, Tailwind CSS, Bootstrap and REST APIs.
Why choose me?
- Clean, scalable and maintainable code
- Mobile-friendly and cross-browser compatible
- Secure and performance-focused development
- Professional communication and timely delivery
Lets transform your idea into a high-performing digital solution. Contact me today to get started!
Respect third-party rights
Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.
Get to know Rosario
Rosario
Custom Websites, Mobile Apps and AI Automation Expert
- FromGermany
- Member sinceJun 2026
- Avg. response time1 hour
Languages
English, German, French, Dutch, Spanish
I’m a Full Stack Developer specializing in custom website development, front end, back end, WordPress design and redesign, and responsive web development. I build iOS, Android, Flutter, and AI apps for businesses and startups. I also create n8n automation, n8n workflows, AI automation, n8n AI agents, Zapier, Make.com, API integrations, and business automation systems. I deliver clean, scalable solutions and seamless user experiences. Have a project? Let’s build and grow together.
Other Website Development Services I Offer
FAQ
1. What type of projects can you develop?
I can build custom business platforms, web applications, dashboards, landing pages, eCommerce solutions, booking systems, and other full stack projects based on your requirements.
2. Can you develop both frontend and backend?
Yes. I handle complete frontend and backend development, including UI, server-side logic, databases, authentication, APIs, and integrations.
3. Which technologies do you use?
I work with HTML, CSS, JavaScript, TypeScript, React, Next.js, Vue.js, Node.js, PHP, Laravel, MySQL, MongoDB, Tailwind CSS, and REST APIs.
4. Can you fix or improve an existing project?
Absolutely. I can troubleshoot bugs, improve performance, redesign interfaces, integrate APIs, optimize databases, and add new features.
5. What do you need to get started?
Please send your project requirements, design or reference, preferred features, and any existing files or access needed. I’ll review everything and recommend the best development approach.
