Guillermo Perez Piquer's Work | ContraWork by Guillermo Perez Piquer
Guillermo Perez Piquer

Guillermo Perez Piquer

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Madrid, Spain

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Madrid, Spain

Cover image for Just launched Veltoflow — here's
Just launched Veltoflow — here's what it does: 🎙️ Type or speak your work description 💰 Tell it the prices — AI autofills the PDF 🧾 Add tax % if needed 🎨 Multiple PDF templates + upload your logo 🌍 English, Spanish, French, Polish 🔐 Sign in with Google ✅ 14-day free trial — no card needed Professional invoices and quotes in under a minute. And it's the most affordable tool of its kind. veltoflow.com (http://veltoflow.com)
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Cover image for Built a Web3-based collectible platform
Built a Web3-based collectible platform featuring NFT creatures, live interaction, and wallet integration. The platform allows users to connect their wallets (MetaMask), interact with the application, and engage with a dynamic collectible ecosystem. Designed a responsive frontend with real-time updates and a structured backend to support scalable data flow.
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Cover image for Built a premium real estate
Built a premium real estate media website designed for agencies and property professionals on the Costa Blanca. The project focused on visual storytelling, high-performance media delivery, and a clean user experience to showcase properties effectively. Implemented a custom content management system (CMS) to allow easy updates without code changes.
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Cover image for Built a secure password and
Built a secure password and document manager using a zero-knowledge architecture, ensuring that sensitive user data is encrypted client-side and never accessible to the server. Built a secure password and document manager using a zero-knowledge architecture, ensuring that sensitive user data is encrypted client-side and never accessible to the server.
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Cover image for Developed a complete booking and
Developed a complete booking and business management website for a beauty studio, focused on client conversion and operational efficiency. The platform includes a fully responsive frontend with service listings, pricing, gallery, testimonials, and an integrated booking system. Users can easily schedule appointments by selecting services, dates, and time slots. Built a custom admin panel that allows the business owner to manage appointments, services, pricing, and content without technical knowledge.
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