A selection of technical projects covering software development, integration, architecture, and long-term system stability.
Note: The following examples present selected projects, reference areas, and professional experience from my previous employment. They are provided to demonstrate my technical expertise, working approach, and project experience. These projects were not delivered under Wellen des Lichts, but were completed as part of previous employment and professional responsibilities. Projects developed under Wellen des Lichts are clearly identified separately.
Supported the rollout of encrypted SEPA payment processes across nine European markets. Contributed to the integration between Vodafone systems, banking partners, and the central SEPA hub while adapting operational processes for encrypted payment flows.
Responsibilities
- Integrated encrypted SEPA payment processes between Vodafone, banking partners, and the SEPA hub.
- Supported deployment across nine European markets.
- Analyzed and adapted existing payment workflows for encrypted transactions.
- Managed and monitored encryption keys.
- Developed and enhanced monitoring and automation scripts.
- Provided troubleshooting and production support.
- Supported security, compliance, and stability requirements.
- Collaborated with international teams and external partners.
Improved transparency and stability of business-critical systems through monitoring, analysis, and optimization of operational processes. Focused on early issue detection, traceability, and continuous operational improvement.
Responsibilities
- Analyzed and improved existing monitoring processes.
- Reduced false alarms and improved signal quality.
- Supported early detection of operational issues.
- Created and optimized reports, metrics, and alerting mechanisms.
- Monitored critical business and system processes.
- Collaborated with international teams to improve operational stability.
Contributed to the stability and consistency of business-critical transaction processes within a large international retail environment. Focused on analysis, integration, troubleshooting, and long-term system reliability.
Responsibilities
- Analyzed and optimized business-critical transaction workflows.
- Supported integration and collaboration across multiple system components.
- Ensured consistent business processes across multiple systems.
- Performed root cause analysis of complex production incidents.
- Supported stability and quality improvements in production environments.
- Collaborated with international teams to continuously improve operational processes.
Supported automation initiatives and improvements to deployment, maintenance, and operational processes. Focused on reliability, traceability, and long-term stability.
Responsibilities
- Analyzed and optimized recurring technical processes.
- Supported automation of operational and maintenance workflows.
- Improved traceability of technical changes.
- Supported deployment and rollout activities.
- Performed troubleshooting and continuous process improvement.
- Collaborated with international teams to enhance operational stability.
Supported international compliance and fiscalization requirements across multiple European markets. Focused on analysis, integration, quality assurance, and reliable implementation of country-specific regulations.
Responsibilities
- Analyzed and implemented regulatory requirements for international markets.
- Supported integration of country-specific fiscalization requirements.
- Collaborated with internal and external partners to implement new requirements.
- Performed troubleshooting and quality assurance activities.
- Supported international rollouts and system adaptations.
- Ensured stable and traceable business processes.
Additional Projects
The projects presented here represent selected activities in payment systems, compliance, system integration, automation, and long-term operational stability.