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Fiverr Pro
English
$
USD
I will build a high performance webapp using react and firebase
Joao Miranda
About this gig
Get a High-Performance Web App Designed to Sell and Scale
Stop losing potential customers to slow, outdated websites that don't convert. I build high-end web applications using React and Firebase, specifically engineered for speed, professional aesthetics, and results.
Whether you need a high-converting landing page, a sleek digital gallery for your products, or a complete management system, I deliver a digital storefront that builds immediate trust and turns visitors into loyal clients.
We can discuss all your project details if you have any questions! Just send me a message and let's align on the best strategy for your business.
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 Joao Miranda
Joao Miranda
Tech Instructor, Senior WebDev, AI Specialist
- FromBrazil
- Member sinceMar 2026
- Avg. response time1 hour
Languages
Portuguese, English
I am an instructor and Full Stack developer. I have experience as a technology instructor at SENAC, teaching Python programming, spreadsheets and data, and the use of artificial intelligence. I also work as a freelance architect, creating architectural projects and 3D models.
My Portfolio
FAQ
Will this help me get more leads and sales?
That is the entire goal. I design user journeys that guide people naturally toward your call-to-action buttons, whether that’s a WhatsApp chat, a sign-up form, or a direct purchase. A beautiful site is useless if it doesn't sell, so I build for conversion first.
How fast will my site actually be?
I use modern optimization techniques like image compression and code-splitting to ensure your site hits top marks on Google PageSpeed. Speed isn't just a luxury, but a ranking factor for SEO and a critical part of keeping customers on your page.
Is it easy for me to update prices or images later?
Yes, I can build a custom management panel specifically for you. You will be able to change text, swap photos, or update your pricing in a few clicks through a simple interface, no coding required. We can talk more about how this works if you have any questions!
