Hey, I'm
Aaron Joel
Kaemmerer-Karsten
Fullstack Developer
With over 6 years of experience in web development, DevOps and accessibility. Completed design education for perfect UI/UX.
Fullstack developer with design background and focus on accessibility
About Me
My tech stack and expertise.
Fullstack developer with expertise in Frontend, Backend, DevOps and AI.
I handle complete development from database through backend to frontend – including deployment and infrastructure. With over 6 years of experience, I master the entire stack: JavaScript, TypeScript, Next.js, PHP, Node.js, Docker, CI/CD and cloud infrastructure. Through Agentic Coding and AI tools, I develop more efficiently and stay at the cutting edge. Accessibility is a given for me.
Years Experience
Stack
Countries (DE & DK)
Passion
Fullstack development with design expertise and accessibility
What I Do
Web App Development
Building modern, responsive web applications with focus on performance, user experience and accessibility. Next.js, React, TailwindCSS and shadcn/ui for pixel-perfect designs.
Backend Development
Developing robust APIs and server-side logic with PHP, Node.js, ExpressJS and Supabase. Database design with MySQL, SQLite, PostgreSQL and scalable backend architectures.
DevOps & Infrastructure
Containerization with Docker, Podman and Portainer. CI/CD pipelines with GitHub Actions, Linux server administration and cloud deployments for reliable workflows.
AI & Agentic Coding
Efficient development through AI-assisted coding. Integration of LLMs, prompt engineering and automated AI workflows for faster and smarter solutions.
An overview of my tech stack
Skills & Technologies
Web App
Next.js
React
Javascript
TypeScript
Tailwind CSS
HTML/CSS
shadcn/ui
SassBackend
PHP
Node.js
ExpressJS
MySQL
SQLite
PostgreSQL
SupabaseDevOps
Linux
Docker
Podman
Portainer
Zabbix
GitHubTools
Git
VS Code
Cursor
Figma
Resume
Download my latest resume