Freelancer profile translated to English.
Back to original languageAbout David
I am a DevOps Engineer with many years of experience in Azure DevOps, cloud infrastructure, containerization, and automation. I support companies in building stable, performant, and secure CI/CD pipelines and in quickly resolving technical issues.
Focus areas:
• Azure DevOps (CI/CD, YAML, Build/Release)
• Docker & Container Orchestration
• .NET, Python, Node.js, Angular (npm/nvs/Yarn)
• Monitoring & Logging (CheckMK, Elastic, Azure Monitor)
• Security & Code Quality (SonarCloud, Dependency-Track)
• Automation (PowerShell, Bash, Python, C#)
• Infrastructure as Code & modern DevOps principles
I work solution-oriented, with clean documentation, and a focus on stability, performance, and developer experience.
German
Native or bilingual
English
Conversational
Polish
Native or bilingual
Can work on-site
Mülheim (Ruhr) (up to 40km)
Experience
- FOM HOCHSCHULEDEVOPS ENGINEER / DEVELOPEREDUCATION AND E-LEARNINGNovember 2023 - Today (2 years and 9 months)Essen, Germany• Setup and operation of CI/CD pipelines (AzureDevOps)• Provisioning of cloud resources (Azure, Entra)• Containerization & Orchestration (Docker/Mirantis) Scaling, high availability & fault tolerance• Administration & Monitoring of cloud environments, as well as system and application monitoring (Azure, Azure DevOps, SonarCloud, CheckMK)• Establishment of modern DevOps principles such as Infrastructure as Code (IaC), Documentation as Code and Service as Code• Dynamic Routing (Traefik)• Queues (RabbitMQ, AzureServiceBusQueue)• Logging & Alerting (Metricbeat, Elastalert2)• Integration of Security & Vulnerability checks and Code Quality as well as Maintainability (SonarCloud, Dependency-track)• Automation & Scripting (PS, Bash, Python, C#)• Self-service platform & Developer enablement• Close collaboration & architecture support• Incident & Problem Management
- HANS TURCK GMBH & CO. KGIT APPLICATION DEVELOPER E-COMMERCE & CRMFebruary 2020 - November 2022 (2 years and 9 months)Responsible for system and user support, data and interface management, automation, application development, and virtual server administration• System support and 2nd level user support• Data management and interface processing• Import and export of the product database• Optimization and further development of internal business processes• Application and service development in VB & C#• Automation through scripting (Windows, Python)• Administration and maintenance of virtual server environments• Application support in the CRM and e-commerce environment• Training and supervision of working students• Agile ticket processing and incident management
- BAUFELDT & PARTNER GMBHIT SOFTWARE DEVELOPERMay 2016 - December 2018 (2 years and 7 months)Primarily in-house development and IT operations• Full-stack web development & architecture Conception and implementation of scalable web applications using HTML5, CSS, PHP, and JavaScript as well as relevant frameworks.• Backend and application development in C# (.NET) Development of modular applications with clean layer architecture, dependency injection, and structured error handling.• Mobile App Development (Android, Java) Implementation of native Android applications including REST connection, data persistence, and lifecycle management.• Database design and administration, implementation of complex SQL queries, as well as maintenance and optimization• Network administration and system support• Hardware support and system provisioning• Monitoring and maintenance of the software landscape
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Education
- Specialist in Application DevelopmentIHK2018Fachinformatiker in
- University of Applied Sciences Ruhr West2015