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Robert Julian Kratz

Your Expert for Tailor Made
Software Development & Digital Transformation

Simplify your business processes, increase efficiency and develop your full potential

My Services


I develop a custom web application tailored exactly to your needs. I rely on modern technologies such as Vue.js or Node.js. Integrations of existing data sources such as databases or APIs are also no problem.

Web Development Illustration

App Development

I develop applications for mobile platforms such as iOS and Android as well as desktop systems such as MacOS and Windows that are tailored to your specific needs. My main focus is on the efficiency, usability and security of the apps. I am available to provide you with advice and support throughout all phases of the development process - from planning to publication in the respective app store.

App Development Illustration


Integration of e-commerce systems into your website or web application. Through individual, solutions developed for you or the integration of existing e-commerce systems, such as Shopify or WooCommerce, I enable you to build a successful online shop.

E-Commerce Illustration

Database & Infrastructure

Development of backend systems and database technologies for your website or application. I offer tailor-made solutions designed specifically for you to effectively integrate existing or novel systems. My expertise includes database systems such as MySQL, PostgreSQL and MongoDB as well as backend technologies such as Node.js, Express.js and Java. I also offer the integration of cloud services including AWS, Google Cloud and Azure.

Database & infrastructure Illustration


As a software developer, I have the opportunity to optimize your website from the lowest technical level. In addition to the technical aspects of search engine optimization, such as optimizing loading time, page structure and metadata of your website. I would also be happy to integrate your website into the Google Search Console and Google Analytics as well as Google Ads with suitable campaigns.

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Do You Need Something Else?

Please contact me and I will advise you free of charge and without obligation to find the best solution for you.