Kelvin de Reus
🧑💻 Full Stack NextJS Developer 🧑💻
@ Upwork
Hi! I'm Kelvin, a Full Stack Next.js developer who builds fast, modern, and high-performance web applications. I work with React, Next.js, TailwindCSS, SQL, and APIs to create responsive interfaces, clean architectures, and reliable features. Whether you need new functionality, a full app, or quick help fixing issues, I deliver efficient solutions with clear communication.
Full Stack Projects
Cookie Clicker KB
A simple FireFox add-on to automatically click cookie banners.
Architecture
- Frontend: HTML + CSS
- Backend: TypeScript
- Database: Local
- Other: No frameworks, no CI/CD, just pure code!
Achievements
- Added Whitelist domains in the settings to whitelist domains
- Added so you can add extra keywords like Accept
RC Manager
A comprehensive SaaS platform for managing RC club members, events, vehicles, and payments in one centralized dashboard.
Architecture
- Frontend: React with Inertia.
- Backend: Laravel.
- Database: PostgreSQL with Redis for caching
- Other: Dockerized environment with CI/CD pipeline for automated deployment and scalability.
Achievements
- Designed a scalable multi-tenant SaaS architecture.
- Built integrated payment tracking with optional Mollie/iDEAL support.
- Implemented multilingual support for international clubs.
Orbit
A comprehensive dashboard for managing and configuring the multi-server Discord bot.
Architecture
- Frontend: React (Next.js) with TailwindCSS.
- Backend: Next.js 15.5.6.
- Database: MariaDB with Redis and ClickHouse.
- Other: Dockerized with automated continuous deployment (CD).
Achievements
- Designed, developed, and deployed the full-stack application independently.
- Implemented Redis caching to minimize database reads and prevent hitting Discord API rate limits.
- Enhanced API security with session-based authentication and rate limiting.
KlikCV
A completely free and privacy-focused CV generator for everyone.
Architecture
- Frontend: React (Next.js) with TailwindCSS.
- Backend: Next.js 15.5.5.
- Database: Stateless (DB-less).
- Other: Dockerized with automated continuous deployment (CD).
Achievements
- Built and deployed the entire platform from scratch.
- Implemented dynamic PDF generation with customizable templates.
- Optimized for SEO, accessibility, and fast load times through static generation.
Communities
RC Garage
The ultimate Discord server for all Dutch RC enthusiasts. Whether you fly RC planes, glide with drones, race RC cars, or sail RC boats, you'll find your place here!
De Compiler
Whether you're just starting to code or an experienced developer, you'll find help, inspiration, and friendly tech chat here. Share your projects, ask questions, and meet other coders.
AllDayTechAndGaming
We're a socially focused tech & gaming community, whether you want to game, chat about hardware, share tips, or just relax. You're always welcome!