As co-founder I developed and designed the WithIn web application, backend and most parts of the mobile app.
WithIn is an all-in-one research platform and social network for shareholders and the financial community – including personalized news, financial information, chat groups and much more.
OPENDiyfolio is an automated advisory tool for Do-It-Yourself investors that helps users optimize their portfolio. As co-founder of the WithIn Finance GmbH behind WithIn and Diyfolio I am responsible for the back- and frontend.
OPENFlyCo is a convenient mobile app for compensating the carbon footprint of plane flights. As co-founder of impact (the company behind FlyCo), I developed the back-end and website for the FlyCo app.
OPENTinyNotepad and TinyStopwatch are popular macOS apps with more than 120k downloads. TinyStopwatch – a small but powerful menu bar stopwatch app – has been in the top 25 of utility apps several times.
Next to the macOS apps I developed a few open-source libraries that are available on GitHub (TinyApps).
OPENSome technologies I use and have experience with.
PHP
Javascript
& Typescript
Go
Vue.js
Swift
MySQL/MariaDB
Adobe CC
Amazon
Web Services
Git
React Native
Nuxt.js
SCSS/CSS