MARIN
PESA
Python Backend Developer
Developing backend applications and AI projects with Python, blending infrastructure expertise with software engineering.
DEVELOPMENT
The Mindset.
Transitioning from infrastructure expertise to backend development.
I'm building a strong foundation in Python and modern backend architectures. From managing enterprise systems to writing scalable code—I bring a systems engineer's mindset to software development.
Core Competencies
Experience
IT Systems Integrator
IT-Sued
07/2025 – Present · Oberessendorf, BW
- ›Independently managing 50–100 client sites as primary technical contact for medical practices and SMBs
- ›Planning, configuring, and commissioning complete network infrastructures (switching, routing, VLANs, VPN, site-to-site)
- ›30+ firewall implementations and migrations with Securepoint, WatchGuard, and UniFi
- ›Microsoft Azure & Intune administration, device enrollment (Windows, macOS, Android), user management, policy configuration for ~100 devices
- ›Building virtualisation environments with Proxmox VE, VM migrations (Hyper-V → Proxmox), backup strategies with Proxmox Backup Server + Synology NAS
- ›Windows Server & macOS/iOS administration via Apple Business Manager
Apprentice, IT Systems Integration
IT-Sued
2022 – 2025 · Biberach, BW
- ›IHK final project: planning and building a complete network infrastructure for a medical practice, from concept to commissioning and documentation
- ›Gained solid knowledge in networking, server administration, virtualisation, and IT security
Skills
Expertise Areas
Network & Infrastructure
Server & Virtualisation
Cloud & MDM
Development
Education & Courses
FOS BOS Memmingen
International Business Studies
BBZ Memmingen
Secondary School, Business & Languages
Boot.dev
Backend Developer Career Path
Languages
Project Reel
Curated Solutions
AI-Agent
An autonomous AI agent built with Python and Google Gemini. Designed to handle multi-step tasks using tool calls and conversational reasoning.
Asteroids
A Python recreation of the classic Asteroids arcade game. Built to practice game-loop logic, collision detection, and object-oriented design.
Writing
Thoughts on IT, backend development, and things I'm learning.
Automation for Applications
How I automated the job application process using Python — saving hours of repetitive form filling.
AI Agent with Python and Gemini AI
Building an autonomous AI agent in Python using Google Gemini — tool calls, reasoning loops, and what I learned along the way.
First Pygame Project
My first game built with Pygame — a recreation of Asteroids. Collision detection, game loops, and why I enjoyed every bug.
PESA