Felipe
Kreulich
Full Stack Developer crafting digital experiences at the intersection of design, technology,and human behavior.
About Me
Fullstack Developer with end-to-end experience in web and mobile projects. Core stack: Laravel, Next.js, ReactJS, .NET and SwiftUI. Background in cybersecurity and networking.
Selected Work
Fullstack Developer
End-to-end development of the company's Web Portal (PHP, Laravel, Next.js, MySQL). Design and integration of REST APIs for the mobile team (SwiftUI). Server configuration and maintenance.
Support Analyst
Technical ticket management with focus on fast resolution. Developed strategies to optimize task distribution and team workflow.
Fullstack Developer
Development of a school management software. Contributed to PeopleRH platform (human resources management).
IT Technician / Developer
Development and maintenance of internal administrative management systems. Cybersecurity: vulnerability monitoring and application of preventive measures. Internal network administration and hardware/software technical support.
Featured Projects
A selection of my recent work and personal projects.
Portfolio Website
Modern portfolio built with Next.js, TypeScript, and Tailwind CSS. Features dark/light theme, multilingual support, and responsive design.
Worm Hole
Private file sharing SaaS with CI/CD, Cron jobs, encryption, and unique links with auto-expiry.
CipherMesh
E2EE LAN chat with blind-relay WebSocket, Curve25519 + XSalsa20-Poly1305, Double Ratchet, PFS, P2P via mDNS, and Terminal UI.
Personal Blog
Active blog built with React + Prisma + PostgreSQL.
Services
How I can help bring your ideas to life.
Web Development
Full-stack web applications with modern technologies and best practices.
- React & Next.js
- TypeScript
- Node.js
- Database Design
- API Development
UI/UX Design
User-centered design solutions that combine aesthetics with functionality.
- User Interface Design
- User Experience
- Prototyping
- Design Systems
- Responsive Design
Maintenance & Support
Ongoing support and maintenance to keep your applications running smoothly.
- Bug Fixes
- Performance Optimization
- Security Updates
- Feature Updates
- Technical Support
Technical Consulting
Strategic guidance on technology decisions and project architecture.
- Code Review
- Architecture Planning
Ready to Start Your Project?
Whether you need a quote or just want to discuss your ideas, I'm here to help.
Explore My Blog
Dive into articles about technology, development, and insights from my journey as a developer.
Web Development
Modern techniques, frameworks, and best practices for building amazing web applications.
Career & Growth
Tips, experiences, and lessons learned throughout my journey as a developer.
Technology & AI
Exploring the latest in technology, artificial intelligence, and their impact on development.
Join me on this journey of continuous learning and discovery.
Read all articlesSchedule a Meeting
Let's talk about your project and how I can help!
Support My Work
If you find my work valuable and want to support what I do, consider buying me a coffee! Your support helps me continue creating content, open-source projects, and sharing knowledge with the community.
Support open-source
Fund new projects
Community driven
Thank you for your support!
Let's Connect
Always interested in new opportunities, collaborations, and conversations about technology and design.