10/2023 – Today: Transportation (Rails)

Modernization of a productive application to current software components. An existing internal application will be converted to modern and currently secure components as part of the contract.Struts-1, Spring 3, Hibernate 3, and similar outdated systems will be replaced. Stability in production had to be guaranteed under all circumstances for the changeover duration. Details Activities Conception, […]

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10/2014 – 02/2022: E-Commerce

Backend-Application for eBay-Dealers (Book market). The project creates and maintains a platform for eBay dealers. It simplifies the creation of new offers and tracks the stock with the offers on eBay. It integrates data from eBay, book databases, and distributors. The system was built with Vaadin on a GlassFish container. Later, it was migrated to

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07/2016 – 12/2017: Insurance

A REST-Full Angular architecture for insurance calculators. The project creates a new base technology for building insurance calculators with Angular 4 (TypeScript). Communication with the backend via REST-Calls. The system offers highly interactive frontends that validate every calculator field after any value change. The frontend is free of business rules, stateless, highly scalable, and follows

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