Christian Werner - DevOps Engineer

Q: Where is Christian based?

Christian is based in Graz, Austria and can operate in on-site , hybrid , and remote work models.

Q: What languages does Christian speak?

Christian speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Christian have?

Christian has at least 7 years of experience. During this time, Christian has worked in at least 2 different roles and for 3 different companies . The average length of individual experience is 2 years and 10 months . Note that Christian may not have shared all experience and actually has more experience.

Q: What companies has Christian worked for in recent years?

In recent years, Christian has worked for EHF.at , BEEEX GmbH , and niceshops GmbH .

Q: Which industries is Christian most experienced in?

Christian is most experienced in industries like Retail , Information Technology (IT) , and Sport and Recreation .

Q: Which business areas is Christian most experienced in?

Christian is most experienced in business areas like Information Technology (IT) , Operations , and Product Development .

Q: Which industries has Christian worked in recently?

Christian has recently worked in industries like Retail , Information Technology (IT) , and Sport and Recreation .

Q: Which business areas has Christian worked in recently?

Christian has recently worked in business areas like Information Technology (IT) , Operations , and Product Development .

Q: What is Christian's education?

Christian holds a Master in Information Technology & Business Informatics from FH Campus02 , a Bachelor in Information Technology & Business Informatics from FH Campus02 and a Bachelor in Industrial Engineering & Mechanical Engineering from TU Graz .

Recommended expert

Graz, Austria

Experience

Jan 2022 - Dec 2022

1 year

EHF.at

Further development and ongoing maintenance of the existing WordPress site for EHF.at to revamp the responsive design and improve usability on mobile devices.
Integration of WooCommerce into the existing site for full e-commerce functionality and digitization of the team sports apparel sales process.
Implementation and configuration of an automated newsletter system to strengthen customer loyalty through regular updates and personalized offers.
Ongoing maintenance including regular updates, performance optimizations, and security checks to keep the site up-to-date and functional.
Project-related technical activities: PHP, CSS, and JavaScript.

Aug 2021 - Oct 2021

3 months

BEEEX GmbH

Developed a digital consulting platform for BEEEX GmbH to help companies with digitization and automation.
Created a responsive frontend interface with Ionic/Angular that works across different devices.
Implemented the backend using NestJS, TypeScript, and MS Azure for a robust, scalable server architecture.
Introduced a comprehensive rating system for users to ensure quality and transparency of consulting services.
Integrated subscription models with automated billing via Global Payments for recurring revenue.
Ensured seamless and reliable payment processing between consultants and users.
Worked closely with the marketing team to align with the target audience's needs.
Project-related technical activities: Ionic, NestJS, TypeScript, Global Payments, MS Azure DevOps.

Aug 2017 - Mar 2021

3 years 8 months

DevOps Engineer

niceshops GmbH

Optimized and scaled the IT infrastructure of a leading e-commerce company by introducing modern DevOps methods and tools.
Implemented a CI/CD pipeline with Jenkins to automate the development cycle and reduce time-to-market.
Set up Docker-based development environments for isolation and project scalability.
Administered and configured Linux servers and developed custom Debian packages for tailored solutions.
Established monitoring systems with Zabbix for real-time infrastructure monitoring and minimized downtime.
Introduced unit testing for PHP and implemented code review processes using Upsource and Git-flow strategies.
Deployed automation solutions with Ansible and Puppet for smooth system integration.
Developed and implemented an RFID solution for the Ecco Verde Concept Store, including RFID reader control and integration into existing e-commerce systems.
Implemented HAProxy load balancing strategies to optimize database performance and reliability.
Project-related technical activities: Jenkins, Docker, Proxmox, Ansible, PHP, PHPUnit, Apache, Git, Puppet, Zabbix, HAProxy, ProxySQL, Debian, Upsource, Apache Cassandra, YouTrack, Kathrein RFID.

Nov 2014 - Aug 2017

2 years 10 months

Fullstack Developer

niceshops GmbH

Developed and optimized modern web applications in the e-commerce sector with a focus on performance, usability, and scalability.
Backend development and maintenance of PHP applications using Zend Framework, as well as optimization of database processes with MySQL.
Introduced SCSS and TypeScript in the frontend to improve code maintainability and quality.
Implemented responsive web design to transform the desktop site into a mobile version.
Implemented technical SEO optimizations like above-the-fold optimizations, inline SVGs, and page-specific CSS post-processors to boost visibility and load speed.
Developed a voucher PDF system using Apache FOP in a Docker container via a Java web service to support marketing and customer service.
Added multilingual support for reviews with automatic translation to expand international reach.
Project-related technical activities: Jenkins, Docker, Proxmox, Ansible, PHP, Zend Framework, PHPUnit, Apache, MySQL, TypeScript, Java, Apache FOP, Debian.

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Retail (7.5 years), Information Technology (4 years), and Sport (1 year).

Retail

Information Technology

Sport

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (7.5 years) and Operations (3.5 years).

Information Technology

Operations

Summary

Experienced IT consultant, senior software developer, and DevOps expert with over 13 years of professional experience in developing and optimizing IT systems. Specialized in digitizing and automating business processes, especially in the areas of ERP, e-commerce, and infrastructure management. Extensive expertise in DevOps, containerization, CI/CD pipelines, cloud technologies, and IT security.

Focus areas: Software development & DevOps End-to-end development of software solutions – from requirements analysis through implementation to operations. Specialization in cloud infrastructures, containerization (Docker, LXC), and automation with Ansible and Jenkins.

Web development Full-stack development using modern technologies such as PHP (Laravel, Zend Framework), JavaScript (Vue, Quasar, Node.js, Angular), Python, and PostgreSQL

Network and IT security Planning, implementation, and management of secure IT infrastructures, including VPN solutions (WireGuard) – site-to-site and road warrior setups, as well as firewall management (OPNsense)

Monitoring & IT operations Setup of monitoring and logging systems with Zabbix, Grafana, and Netdata to ensure system stability and availability.

IT consulting & process optimization & digitization strategies Consulting and implementing IT solutions to increase efficiency in companies. Development of custom ERP and e-commerce systems as well as data migration and integration.

Skills

Toolset Of Programming Languages And Used (Mastered) Technologies – The Following List Is Just A Rough Overview Of The Tools I Have Mastered.

Php (Since 2010), Latest Version 8.3, Level 100%, Frameworks/technologies: Laravel, Wordpress, Zend Framework
Git (Since 2011), Latest Version 2.39.5, Level 100%
Valgrind (Since 2014), Level 80%
Python (Since 2002), Latest Version 3.12.3, Level 100%, Frameworks/technologies: Frappe, Unittest
Ms Access (Since 2004)
Mysql (Since 2011), Latest Version 8
Mariadb (Since 2015), Latest Version 10.11, Level 100%
Postgresql (Since 2011), Level 100%
Csh/bash/zsh, Bash (Since 2010), Level 100%, Job Scripting
Groovy (Since 2017), Latest Version 4, Level 100%, Jenkins Scripting
Jenkins (Since 2011), Latest Version 2.492.1, Level 100%
Haproxy (Since 2014), Latest Version 2.6.12, Level 100%
Iobroker (Since 2020), Latest Version 7.1.5, Level 70%
Grafana (Since 2020), Latest Version 11.5.1, Level 100%
Zabbix (Since 2015), Latest Version 7.0.9, Level 100%
Phpcpd (Since 2015), Level 100%
Phpunit (Since 2011), Latest Version 8.x, Level 100%
Ruby (Since 2012), Latest Version 1.9.3, Level 25%
Ansible (Since 2015), Latest Version 2.15.13, Level 100%
Mono (Since 2017), Latest Version 5.0.0, Level 50%
Proxmox (Since 2016), Latest Version 8.4, Level 100%, Qemu, Lxc
Opnsense (Since 2020), Latest Version 25.1, Level 100%
Wireguard (Since 2019), Latest Version 1.0.202, Level 100%
Unifi (Since 2018), Latest Version 8.3, Level 100%, Network Managing, Ap Setup
R (Since 2018), Gnu R
Java (Since 2016)
Go (Since 2016), Latest Version 1, Level 30%
Truenas (Since 2017), Latest Version 25.04, Level 100%, Scale And Legacy
Linux (Since 2010), Level 100%, Ubuntu, Arch Linux, Debian
Css/sass (Since 2011), Level 100%
Html5 (Since 2008), Level 100%
Javascript (Since 2008), Ecma-262, Level 100%, Node.js, Nestjs, Js, Npm, Bun, Ionic/angular, Qwikjs, Vue, Quasar, Vitest, Pm2
Docker (Since 2017)
Openwrt (Since 2013), Latest Version 24.10.0
Jinja (Since 2015), Latest Version 3.1.4
Unbound (Since 2024), Level 80%
Apache (Since 2015), Level 100%
Debian (Since 2015), Level 100%
Fail2ban (Since 2015)
Netdata (Since 2016)
Cmake (Since 2009), Level 100%
Smartctl
Stunnel
Filesystems: Zfs, Ext4, Ntfs, Fat, Exfat, Luks Encryption, Apfs

Depending On The Requirements, Programming Languages Are Chosen So They Fit Into The Infrastructure Stack As Needed.

Languages

German

Native

English

Advanced

Education

Sep 2020 - Aug 2022

FH Campus02

Master's in Information Technology & Business Informatics · Information Technology & Business Informatics · Graz, Austria

Sep 2017 - Oct 2020

FH Campus02

Bachelor's in Information Technology & Business Informatics · Information Technology & Business Informatics · Graz, Austria

Oct 2005 - Jun 2011

TU Graz

Industrial Engineering & Mechanical Engineering · Graz, Austria

...and 2 more

Certifications & licenses

ITIL® Foundation Certificate In IT Service Management

Project Management Associate Certification, IPMA Level D

Profile

Created

October 2025

Last Update

January 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Christian based?

Christian is based in Graz, Austria and can operate in on-site, hybrid, and remote work models.

What languages does Christian speak?

Christian speaks the following languages: German (Native), English (Advanced).

How many years of experience does Christian have?

Christian has at least 7 years of experience. During this time, Christian has worked in at least 2 different roles and for 3 different companies. The average length of individual experience is 2 years and 10 months. Note that Christian may not have shared all experience and actually has more experience.

What roles would Christian be best suited for?

Based on recent experience, Christian would be well-suited for roles such as: DevOps Engineer, Fullstack Developer.

What companies has Christian worked for in recent years?

In recent years, Christian has worked for EHF.at, BEEEX GmbH, and niceshops GmbH.

Which industries is Christian most experienced in?

Christian is most experienced in industries like Retail, Information Technology (IT), and Sport and Recreation.

Which business areas is Christian most experienced in?

Christian is most experienced in business areas like Information Technology (IT), Operations, and Product Development.

Which industries has Christian worked in recently?

Christian has recently worked in industries like Retail, Information Technology (IT), and Sport and Recreation.

Which business areas has Christian worked in recently?

Christian has recently worked in business areas like Information Technology (IT), Operations, and Product Development.

What is Christian's education?

Christian holds a Master in Information Technology & Business Informatics from FH Campus02, a Bachelor in Information Technology & Business Informatics from FH Campus02 and a Bachelor in Industrial Engineering & Mechanical Engineering from TU Graz.

Does Christian have any certificates?

Christian has 2 certificates. These include: ITIL® Foundation Certificate In IT Service Management, Project Management Associate Certification and IPMA Level D.

What is the availability of Christian?

Christian is immediately available full-time for suitable projects.

What is the rate of Christian?

Christian's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.