OSNI GILBERTO
FERREIRA JUNIOR
WEB/MOBILE DEVELOPER
I am a web and mobile developer with expertise in React, Next.js, Kotlin, and Firebase. I build complete digital solutions from concept to deployment, creating responsive web applications and native mobile apps. Passionate about transforming ideas into interactive, high-performance experiences across all platforms.
About Me
Building complete digital experiences across web and mobile
I'm a web and mobile developer who builds end-to-end digital solutions. From responsive web applications using React and Next.js to native Android apps with Kotlin, I handle the complete development cycle of modern applications.
My expertise spans frontend interfaces, Firebase backends, mobile development, and cloud deployment. I've built delivery platforms, educational apps, wellness tools, and clinic management systems - all from concept to production, independently managing both design and implementation.
I focus on creating scalable, performant solutions that work seamlessly across all platforms. Whether it's a complex web application or a native mobile app, I deliver professional-grade products that solve real problems.
Full Stack Web
React, Next.js, Firebase - building complete web applications from UI to database
Mobile Development
Native Android apps with Kotlin and Jetpack Compose for modern mobile experiences
End-to-End
From concept to deployment - handling design, development, and production independently
Production Ready
Delivering professional, scalable solutions with clean code and best practices
Featured Projects
Here are some of my recent projects that showcase my skills and experience
Turbo Express
A modern delivery and logistics platform providing fast and reliable service. Built with cutting-edge technologies to ensure optimal performance and user experience.
Espaço Muniz
A specialized chiropractic and myofascial release clinic website. Features personalized treatments with a highly qualified team and modern equipment, committed to providing the best experience in chiropractic care.
Code QR Gene
A powerful QR code generator application that allows users to create customized QR codes quickly and efficiently. Simple, fast, and user-friendly interface.
Respira AI
An innovative breathing and meditation application powered by AI. Helps users practice mindfulness and relaxation techniques with guided sessions.
Skills & Technologies
Here are the technologies and tools I work with
Frontend
Mobile
Backend & Database
Tools & Others
⚡ Specializing In
Get In Touch
Have a project in mind or just want to say hi? Feel free to reach out!
Let's Connect
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your visions.