Resume
Full Stack Developer & Network Engineer
Eric Koens
Full Stack Developer | Network Engineer
Professional Summary
Full-stack developer and network engineer with expertise in building scalable web applications and managing enterprise-grade infrastructure. Proficient in PHP, MySQL, JavaScript, and modern web technologies, combined with hands-on experience in network architecture, virtualization, and self-hosted services. Passionate about continuous learning and delivering reliable, well-architected solutions.
Technical Skills
Frontend Development
HTML5, CSS3, JavaScript, React, Responsive Design
Backend Development
PHP, Node.js, Python, Java, RESTful APIs
Databases
MySQL, PostgreSQL, SQLite
DevOps & Infrastructure
Docker, Proxmox, Linux (Ubuntu/Debian), Git/GitHub, CI/CD
Networking & Security
OPNsense Firewall, VLAN Configuration, DNS (PiHole), VPN (Tailscale), SSL/TLS
Tools & Technologies
Nginx, Portainer, VS Code, Cloudflare
Currently Learning
C/C++, Rust, Go, TypeScript, React Native, Data Structures & Algorithms
Featured Projects
Wrestling Database
PHP | MySQL | JavaScript- Designed and developed a comprehensive full-stack web application for managing wrestling events, wrestlers, matches, and statistics
- Built custom PHP backend with MySQL database, implementing user authentication and CRUD operations
- Created responsive user interface optimized for both mobile and desktop experiences
- Deployed on Vultr VPS with self-hosted email server (iRedMail) for transactional emails
- Live at: wrestlingdatabase.net
Enterprise-Grade Homelab
Proxmox | OPNsense | Docker | Linux- Architected and deployed production homelab environment with advanced networking and virtualization
- Configured OPNsense enterprise firewall with 15+ segmented VLANs for security and network management
- Implemented Proxmox virtualization platform running multiple containerized services via Docker
- Set up Nginx reverse proxy with SSL certificates for secure access to self-hosted applications
- Deployed monitoring and management tools including Portainer, Uptime Kuma, and Home Assistant
Education
Let's Connect
Interested in working together? View my projects or get in touch.