Freelancer profile translated to English.
Back to original languageAbout Christian
Experienced IT Consultant, Senior Software Developer, and DevOps Expert with over 13 years of professional experience in developing and optimizing IT systems. Specializes in the digitalization and automation of business processes, particularly in the areas of ERP, E-commerce, and infrastructure management. Extensive expertise in DevOps, containerization, CI/CD pipelines, cloud technologies, and IT security. Successfully implemented complex projects for industries such as real estate, advertising, film production, and industrial manufacturing.
Focus Areas:
Software Development & DevOps:
End-to-end development of software solutions – from requirements analysis through implementation to operation. Specialization in cloud infrastructures, containerization (Docker, LXC), and automation with Ansible and Jenkins.
IT Consulting & Process Optimization:
Consulting and implementation of IT solutions to increase efficiency in companies. Development of individual ERP and E-commerce systems as well as data migration and integration.
Network and IT Security:
Planning, implementation, and management of secure IT infrastructures, including VPN solutions, firewall management (OPNsense, HAProxy), and security hardening of systems.
Web Development & Digitalization Strategies:
Full-stack development with modern technologies such as PHP (Laravel, Zend), JavaScript (Vue, Quasar, Node.js, Angular), Python, and PostgreSQL.
Monitoring & IT Operations:
Setup of monitoring and logging systems with Zabbix, Grafana, and Netdata to ensure system stability and availability.
German
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- Studio Bleifrei GmbH.Network Setup and VPN ImplementationFILM AND AVMay 2024 - May 2024Graz, AustriaFor Studio Bleifrei GmbH, a leading communications agency, a modern and secure IT infrastructure was developed. The goal was to implement a network with reliable remote access to improve collaboration and centralized data access.The existing NAS system was successfully integrated, ensuring central data storage and automatic backups. Additionally, Wireguard was implemented as a VPN solution to enable secure access from outside the office. The new network structure was designed to be fully compatible with the existing Mac infrastructure.The results include increased productivity through flexible access, higher data security via the NAS system, and a reliable VPN connection for mobile employees. This IT solution optimally supports Studio Bleifrei GmbH in their daily work and future challenges.
- Beeex GmbH.Senior Software DeveloperCONSULTING AND AUDITSSeptember 2021 - November 2021 (2 months)Pöllau, AustriaDevelopment of a digital consulting matchmaking platform for beeex GmbH, which supports companies in positioning themselves for the future, particularly through digitalization and automation. The platform was designed for matchmaking consulting services from various industries.Using Ionic and Angular, a responsive, user-friendly frontend interface was developed that functions on different devices. In the backend, NestJs was used in combination with TypeScript and MS Azure to ensure a robust, scalable server architecture.Key features of the platform include:Rating System: Allows users to rate consultants and leave reviews, ensuring the quality and transparency of services.Subscription Models: Integration of automated billing via Global Payments, covering various service packages and securing recurring revenue.Secure Payment Processing: Seamless, reliable processing of payments between consultants and users.Close collaboration with the marketing team ensured that the platform was not only technically powerful but also tailored to the needs of the target audience.
- niceshopsDevOps EngineeringE-COMMERCEAugust 2017 - March 2021 (3 years and 8 months)Graz, AustriaDuring my tenure as a DevOps Engineer at niceshops GmbH, I was responsible for optimizing and scaling the IT infrastructure of a leading e-commerce company. My focus was on introducing and managing modern DevOps methods and tools to make development and deployment processes more efficient.My main tasks included implementing a CI/CD pipeline with Jenkins, which automated the entire development cycle and significantly reduced time-to-market. Concurrently, I built Docker-based development environments to ensure project isolation and scalability.I managed and configured servers (Linux and Windows) and developed custom Debian packages to provide tailored solutions. Additionally, I set up monitoring systems with Zabbix, enabling real-time infrastructure monitoring and minimizing downtime.Another focus was quality assurance in software development. Here, I introduced unit tests for PHP and established code review processes with Upsource, complemented by Git Flow strategies. For seamless system integration, I relied on automation solutions with Ansible and Puppet.As part of the Ecco Verde Concept Store, I developed an RFID solution involving the control of RFID readers and their integration into existing systems. Furthermore, I implemented load balancing strategies with HAProxy and ProxySQL to optimize database performance and reliability.This versatile role allowed me to successfully tackle both technical and organizational challenges, creating a robust, scalable infrastructure for a dynamic e-commerce environment.
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Education
- Diplom-Ingenieurin (Dipl.Ing.), Information Technology & Business InformaticsFH Campus 022022Diplom-Ingenieurin (Dipl.Ing.), Informationstechnologien & Wirtschaftsinformatik
- Bachelor of ScienceFH Campus 022020Bachelor of Science - BSc, Wirtschaftsinformatik
Certifications
- ITIL® Foundation Certificate in IT Service ManagementAxelos2020
- Certification as Project Management Associate pma/IPMA Level Dpma2018