I helped do a security review and integration of a security and encryption SDK for banking apps for the Android platform.
TechnologiesAndroidJavaCAndroid NDKApplication securitySecurity
Microsoft contracted me as an expert Android developer consultant for one of their partners to participate in a technical due diligence. I investigated the used tech and architecture of an app.
I have held a consulting role at BörseGo as an external mobile developer for many years. I helped onboard new team members, maintain quality and worked on major migrations and tech stack changes (migration to Kotlin) and with research projects (embedding current v8 JS engine).
TechnologiesAndroidScrumJavaC++Android NDKOpenGL ESKotlin
I am the co-founder of Om7Sense, an energy management startup. I designed the architecture and laid out the principal back and front-end applications.
TechnologiesReactSQLJavaMQTTIoT ProtocolsSocket.IOWebSocketsMavenECMAScript (ES6)
Working with product owners, UX research and designers on mobile apps. Researching data sources to rank search results on mobile. Rapidly implement and prototype mobile apps with a focus on hybrid of native and web technologies. Teaching courses and mentoring.
I was principal developer and designer for Godmode Anywhere and main developer of Guidants Mobile. I also worked on a plethora of web projects and backend projects, mainly concerning the real-time derivative search engine and our own blogging backend.
I worked as a back-end developer on in-house PHP / MySQL projects. On the front-end side I developped interactive stock information web sites (HTML / JS) and maintained and extended a Django eCommerce solution.
wizAI is a spin-off of the working group "Artificial Intelligence" of the University of Koblenz. Here I worked on their semantic web-based news clipping agent "wizScreen", where I did software and database development. Technologies used included Lucene and Java EE
System administration of web servers, DB, mail. Interconnection set up of routing for ISP. PHP development.