Freelancer profile translated to English.

Description

I support small and medium-sized businesses in building their IT simply, securely, and independently – without unnecessary complexity or expensive cloud subscriptions.

My focus is on self-hosted business solutions that work long-term and remain entirely under your control.

💻 My Services

✔ Introduction & Operation of Self-Hosted Solutions (Nextcloud, Vaultwarden, Paperless-ngx)

✔ Building Secure IT Infrastructures (Servers, NAS, Docker, Proxmox)

✔ Backup & Security Concepts (Automated, Encrypted, Tested)

✔ System Optimization & Troubleshooting (Windows, Networks, Performance)

✔ IT Consulting for Pragmatic and Cost-Effective Solutions

🔒 Focus: Security & Stability

I ensure that your data is truly protected and can be restored in an emergency – without chaos or data loss.

🤝 What Customers Appreciate About Me

• Understandable communication without IT jargon

• Fast, practical solutions instead of over-engineering

• Reliable implementation and clean documentation

• Solutions that work without constant maintenance

👉 Goal: IT that simply works – so you can focus on your business.

Languages

German
Native or bilingual
English
Conversational

Workplace preferences

Remote only

Primarily works remotely

Bumm IT – Self-Hosted Lösungen & Docker-Infrastruktur
IT Freelancer – Docker, Nextcloud & Self-Hosted Systems
November 2025 - Today (7 months)
Altdorf, Germany
Planning, setup, and support of IT systems for small and medium-sized businesses with a focus on stability, security, and ease of use in everyday life.

🛠️ Tasks & Projects

✔ Setup and support of server and NAS systems
✔ Setup and configuration of Nextcloud for internal collaboration
✔ Setup of password management (Vaultwarden)
✔ Document management with Paperless-ngx
✔ Implementation of backup solutions including restore tests
✔ Setup of secure remote access (VPN)

⚙️ Technical Experience

• Linux Server Administration
• Network and system configuration
• Basic knowledge of Docker and container solutions
• Error analysis and system optimization

👉 Goal: Reliable IT solutions that work in everyday life and are free of unnecessary complexity.
Docker-Compose Nextcloud Linux Administration Containerization & Virtualization Docker
Grasenhiller
Software Developer
June 2024 - January 2025 (7 months)
During my time at Grasenhiller, I was responsible for the development and customization of Power Apps solutions for the digitalization of business processes. I worked closely with clients to gather requirements, conceptualize technical solutions, and implement functional applications.

My responsibilities also included the analysis, maintenance, and optimization of MSSQL databases, as well as performing minor support and service tasks in the craft and SME sector (approx. 50 support cases). Customer-oriented work, rapid problem-solving, and continuous improvement of existing systems were the focus.

Results and Responsibilities:

Development and expansion of Power Apps for process automation
Direct customer contact: Requirements analysis, coordination, troubleshooting
Handling of support cases in the area of hardware, software & cloud tools (approx. 50 cases)
Maintenance, error analysis, and optimization of MSSQL databases
Close collaboration with internal teams to solve technical challenges
Power Apps Microsoft SQL Server Database Administration IT Support Error Analysis