Yunior Zequeira - Frontend Developer
Frontend Developer specialized in Building scalable web applications with React and Next.js.
I'm a Frontend Developer with extensive experience building production-ready web applications using React and Next.js. I specialize in creating fast, scalable, and SEO-friendly solutions for businesses and entrepreneurs. My focus is on delivering high-quality user experiences while optimizing performance and maintainability.
Features
What I Build & Optimize
Frontend Web Development
I build fast, scalable, and production-ready web applications using React, Next.js, and modern frontend architectures.
Performance & SEO Optimization
I optimize web applications for speed, SEO, and best practices, achieving high Lighthouse scores and better Google visibility.
Responsive & Mobile-First Design
I design and develop fully responsive interfaces that work seamlessly across desktop, tablet, and mobile devices.
UI Implementation from Design
I transform Figma and design concepts into clean, reusable, and accessible user interfaces using Tailwind CSS.
Frontend + Backend Integration
I integrate frontend applications with APIs, authentication, databases, and services like Stripe for real-world functionality.
Technologies I Use to Build High-Performance Web Applications
I specialize in building fast, scalable, and SEO-optimized web applications using modern frontend technologies. My focus is on performance, clean architecture, and delivering production-ready solutions.
Primary Technologies
Core technologies I use daily to develop modern, responsive, and scalable web applications.
HTML5
CSS3
JavaScript
Tailwind CSS
React
Next.js
TypeScript
Node.js
MongoDBSupporting Tools & Platforms
Tools and platforms that complement my frontend workflow and enhance productivity, design collaboration, and deployment.
AWS
Figma
Stripe
Pinterest
Chrome
Firefox
Photoshop
VS Code
GitHubVisit my portfolio and keep your feedback
My Portfolio
Skills
My Resume
features
Primary Skills
features
Secondary Skills
what my clients say
Testimonials
Michael Brug
Business Owner
Yunior delivered exactly what we needed and more.
Yunior built a fast, modern, and fully responsive website for our business. He paid close attention to performance, SEO, and user experience, which helped us present a much more professional image online. Communication was clear throughout the project, deadlines were met, and the final result exceeded our expectations. I would definitely work with him again.
Lionys Ruiz
Project Manager
Strong technical skills and great attention to detail.
Working with Yunior was a great experience. He developed a complete web platform using Next.js and integrated secure payments with Stripe. The site is extremely fast, SEO-friendly, and works perfectly across all devices. His focus on performance optimization and clean UI really sets him apart. He’s a reliable developer who delivers high-quality work on time.
Yusvel Ibañez
Software Developer / Teammate
A frontend developer you can trust for production-ready projects.
Yunior has a solid understanding of modern frontend development. He builds scalable interfaces with React and Next.js and always prioritizes performance and best practices. His ability to translate business requirements into clean, efficient code makes him a valuable developer on any project.
