Sadok Ferjani
Principal Site Reliability Engineer at OpenText
Munich, Bavaria, Germany
Summary
🤩
Rockstar🎓
Top SchoolSadok Ferjani is a Principal Site Reliability Engineer based in Munich with over a decade of hands-on experience building resilient infrastructure, automation, and CI/CD pipelines across startups and large enterprises. He combines a software-engineering background with deep SRE practice, having shaped PaaS/IaaS components for Airbus Defence & Space, led DevOps initiatives at PPRO and EQS, and now driving reliability at OpenText. As co-founder of Flyimg he built and shipped a Dockerized image-resizing service, demonstrating practical backend skills in lightweight frameworks and efficient caching strategies. Comfortable across cloud, containerization, and IaC tooling, he moves between code and operations to harden systems and accelerate delivery. Colleagues know him for pragmatic automation and for contributing meaningful open-source work visible on his GitHub. He brings entrepreneurial curiosity to enterprise-grade reliability challenges, blending operational rigor with a developer’s mindset.
10 years of coding experience
14 years of employment as a software developer
Bachelor's degree Computer Systems and Communication Technologies, Bachelor's degree Computer Systems and Communication Technologies at Higher Institute of Computer Science - Tunisia (ISI)
English, Arabic, French
Stackoverflow
1,430reputation
152kreached
51answers
15questions
Github Skills (13)
php10
web-development10
silex10
back-end-development10
image-processing9
command-line-interface6
docker6
amazon-ec26
amazon-web-services6
python6
ansible6
terraform6
terragrunt6
Programming languages (15)
Github contributions (5)
flyimg/flyimg
Mar 2016 - Jun 2022
Dockerized application that resizes and crops images on the fly, delivering optimized images in formats such as AVIF, WebP, MozJPEG, or PNG using ImageMagick, with an efficient caching system.
Role in this project:
Backend Developer
Backend DeveloperContributions:53 releases, 3 reviews, 716 commits in 6 years 4 months
Contributions summary:Sadok primarily contributed to initializing and developing the backend logic of the project using the Silex microframework. The commits show the creation of the controller resolver, core controllers, and default controller, along with the initial setup of the routes configuration. The user demonstrated an understanding of dependency injection and configuration by adding a Resizer service and a parameters.yml file to handle image processing.
docker-imagecropimagemagickdockerizedmicroservice
sadok-f/ELK-Stack-logging-demo
May 2017 - Nov 2017
Contributions:5 commits, 2 PRs, 5 pushes in 6 months
docker-swarm-clustervagrantswarmelkdocker-swarm
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