January 2025 - January 2026
Node.js/Python/Vue Full Stack Developer
- Integrated AI speech recognition and generation services for outbound calls and inbound support.
- Designed and built a Prompt Builder enabling non-technical staff to create call scripts.
- Developed a dashboard to monitor campaign performance, costs, and outcomes.
construction
Node.js, Vue, Python, Hasura, Firebase,
GCP Functions,
PostgreSQL,
...
January 2025 - January 2026
Kotlin/Vue Full Stack Developer
Migrating, creating, and maintaining
B2B
web services for customers, e.g. the
Rechnungsbahnhof
for Deutsche Bahn.
construction
Kotlin, Vue,
AWS S3,
PostgreSQL, ...
January 2025 - January 2026
Kotlin/Vue Full Stack Developer
Migrating, creating, and maintaining
B2B
web services for customers, e.g. the
Rechnungsbahnhof
for Deutsche Bahn.
construction
Kotlin, Vue,
AWS S3,
PostgreSQL, ...
Implemented backend services for the
Breitling online store,
including product asset management (images, manuals, etc.)
and order processing (payments, returns, etc.).
construction
Python, React,
AWS (Lambda, SQS, DynamoDB),
PostgreSQL, ...
February 2024 - October 2024
Python Backend Developer
Implemented backend services for the Breitling online store,
including product asset management (images, manuals, etc.)
and order processing (payments, returns, etc.).
construction
Python, React,
AWS (Lambda, SQS, DynamoDB),
PostgreSQL, ...
June 2008 - December 2023
Fachinformatiker für Anwendungsentwicklung
(IT specialist for application development)
- Design, realization, quality assurance, presentation and maintenance
of the roster planning desktop application
OC:Planner
- including controlling features with the dashboard or by creating reports with
OC:Report
Writer,
- the self-service web application
OC:MyPlan
(e.g. for requesting vacations)
- and associated REST services
(e.g. OC:MyCalendar
to access the schedule on phone calendar apps),
- especially the time recording and management service
OC:Time
- and also specialty modules for particular types of customers like the Tagesdienstplan
providing daily (instead of weekly/monthly/yearly) view of the duty roster
for staffing of
rescue vehicles
in the fire department.
construction
C#.NET,
SQL (Oracle, PostgreSQL, Microsoft SQL Server, ...),
ASP.NET Core, C++, Java, Python,
Python, Angular, ...