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Juan H
@jhernandezc
Top Rated
Full Stack Web, AI and Shopify Developer, Custom APIs and Browser Automations
Venezuela
Inglês, Espanhol
Sobre mim
Web & AI Developer with 10+ years of experience and 4,000+ completed projects. I specialize in scalable full-stack web applications, custom Chrome extensions (Manifest V3), e-commerce (Shopify), and AI agent & workflow integrations (OpenAI/Claude/Gemini).
My solutions have reduced delivery times by 40% and boosted user engagement by 25%.
Core Stack & Tools: Javascript/TypeScript, React, Next.js, Node.js, Astro, Tailwind CSS, PHP, MySQL, PostgreSQL, MongoDB, Firebase, Supabase, Shopify & Browser Automation.
Let's turn your requirements into a scalable, production-ready web or AI solution!
Habilidades
Juan H
US$ 85/hora
offline •
Tempo médio de resposta: 1 hora
Conheça meus serviços
Correções de bugs
I will fix website bugs errors and broken code in html css js php
Personalização
I will do shopify custom coding, liquid development and theme customization
Quer trabalhar com remuneração por hora?
Diga a Juan H o que você precisa.
US$ 85
/
horaPortfólio
Experiência profissional
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Web Developer
Fiverr • Freelance
Dec 2013 - Present • 12 yrs 11 mos
As a freelance Web Developer on Fiverr, I've completed 4,000+ orders for clients around the world. Specializing in custom websites, e-commerce solutions (Shopify), WordPress development, responsive designs, and full-stack integrations (HTML/CSS/JS, React, PHP, Node.js). Key Achievements: - 3,000+ 5-star reviews, maintaining Top Rated Seller status. - Worked on scalable sites for startups, e-commerce brands, and agencies—boosting client traffic by up to 300% via SEO-optimized code. - 60% repeat business rate + 100% on-time delivery. - Expertise in modern tools like Astro, Tailwind CSS, React, Next.js, Shopify, and API integrations.
3.316 Avaliações
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mnymaker
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serpabove
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This guy is top of his stuff. he knows very well what he is doing. Highly recommended for Shopify bugs. thanks bud
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career123
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Juan did an excellent job on our bundle pricing feature. 👏 We tested it today, and after making one small Shopify shipping setting adjustment on our end, everything is working perfectly. The bundle flow looks great, and we're really happy with how it turned out. Highly recommend Juan for anything Shopify related. Solid 5 Stars!
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toscawillems
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I am super happy with his work, it turned out exactly like we wanted. When we wanted to adjust a few small things after the order had been completed this was no problem at all. He is super helpfull and thinks with the customer. Thank you!!!
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juraj_bublik
República Tcheca
Fast and easy Shopify bug fix, would recommend him to anyone
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