Hi, I’m Daniel Hommen — a freelance DevOps Engineer based in Bonn, Germany. I specialize in building, operating, and scaling cloud infrastructure with Kubernetes, Terraform, and CI/CD. Available for remote and on-site consulting engagements.
Expertise
Technical Skills
Core technologies and tools I work with daily
Kubernetes
Terraform
Docker
Linux
IONOS Cloud
GitHub & GitLab CI/CD
Infrastructure as Code
Monitoring: Prometheus & Grafana
Database Operations
Helm
Networking & Security
API Design & Scripting
Portfolio
Professional Experience
Key projects and contributions in DevOps and cloud infrastructure
Custom ERP System - Postbank
Built and operated a custom ERP system for Postbank to manage warehouse tasks and logistics operations.
Key Achievements
- Planned, implemented and operated the ERP system
- Storage management
- Order management
- Comprehensive role-based access control across departments
Technologies
C#
ASP.NET Core
SQL Server
Key Achievements
- Architected cloud infrastructure from the ground up
- Implemented comprehensive monitoring and logging
- Established DevOps best practices and workflows
- Managed multi-environment deployments
Technologies
Terraform
Kubernetes
Docker
CI/CD
Key Achievements
- Maintained 99.9% uptime for cultural institutions
- Implemented automated backup and recovery systems
- Optimized resource utilization and cost efficiency
- Provided 24/7 operational support
Technologies
Terraform
Kubernetes
Docker
CI/CD
Key Achievements
- Implemented IDSA Clearinghouse specification compliance
- Built scalable logging and audit trail system
- Designed RESTful APIs for data space interactions
- Ensured data sovereignty and security standards
Technologies
Rust
Java
EDC
PostgreSQL
Research
Publications
Research contributions to the data space ecosystem
Observability in Data Spaces
IDSA Position Paper on implementing comprehensive observability solutions in data space architectures, covering monitoring, logging, and analytics strategies.
IDSA Publication
Read Paper