Stefan Baust
Senior Full Stack Developer Co-founder CTO Head of Development @Netprint Development & Solutions Gmbh
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WORK HISTORY
Senior Full Stack Developer Co-founder CTO Head of Development @Netprint Development & Solutions Gmbh
Full technical responsibility for SAP Customer Checkout solutions for leading clients including Aramark, Consortium Gastronomie, Feinkost Käfer, TSG Hoffenheim, and VfB Stuttgart. End-to-end support from requirements analysis through implementation and support.Successfully designed and developed the NDS SmartPOS platform (\"Runner App\"):Architected and implemented following Modern Android Development principlesLed a small development team while contributing 50% of code personallyIntegrated various payment SDKs (S-Payment S-POS, VR Payment, CCV), enabling significant cost savings for clients through continued use of existing contractsSuccessfully deployed at multiple major clients with demonstrable improvement in sales staff efficiencyIndependently developed and implemented critical infrastructure components:Reporting server (SQL, JasperReports): Measurably reduced accounting workload by eliminating daily manual ERP system transfersZVT plugin: Solely responsible for implementing the serial protocol with Java/Netty over TCP/IPSaved clients several thousand euros per location by replacing proprietary solutionsSuccessfully deployed in multiple Bundesliga stadiums handling high transaction volumes on match daysComplete in-house development of specialized plugins and server applications for custom SAP Customer Checkout functionality extensions:Waiter teams plugin: Enabled waitstaff to work and settle accounts as teamsSQL reporting: Independently delivered from concept to complete documentationRFID payment solution for employee cards: Managed full development lifecycleIntegration with reservation services: Designed seamless connection to \"Luca\" and other services, implemented with one team memberDirect on-site technical support for clients, including:Rapid troubleshooting in real-time environments with high transaction volumesDirect coordination with stakeholders for continuous system improvement based on practical experience
EDUCATION
Baden-Wuerttemberg Cooperative State University (DHBW)
Bachelor of Science - BS, Angewandte Informatik
Baden-Wuerttemberg Cooperative State University (DHBW)
Master of Science - MS, Informatik
SKILLS
ABOUT STEFAN BAUST
Over 17 years of professional experience as a Software Developer with focus on Spring (Java, Backend) and Angular (TypeScript, Frontend). Deep practical experience in the areas of payment, point-of-sale systems, and the energy sector. Confident working with large enterprise software projects, as well as greenfield projects - both independently and in teams. High standards for code quality and experienced in test automation, test-driven development, agile methodologies, software architecture, and customer communication.
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