Senior Full Stack Engineer

6/2019 – 10/2019

Worked as a freelancer on the ProSiebenSat.1 web team helping maintain and develop new features for the frontend application used for all the channel’s websites where customers can stream programs and find related news.

Worked extensively with Javascript, Typescript, React.js, GraphQL and Node.js, delivering new components and making sure to make them compatible with legacy code.

Node.Js, React (JavaScript library)

5/2018 – 8/2018

Worked as a freelancer on the Lieferheld team helping maintain and develop new features for the frontend application of Lieferheld delivery service, as well as providing mentoring to other developers with less experience.

- Worked on a legacy codebase based on Backbone.js and Node.js adding new features and maintaining the codebase.
- Developed a Chrome extension with vanilla Javascript (ES2017) that connected with the A/B testing backend and enabled QA
team members to manually set the active variation.

Front End

11/2017 – 4/2018

Worked as a freelancer on the Pricing & Forecasting department developing frontend apps for internal services.

- Used React.js and MobX as well as Node.js in the development of two frontend apps that connected to RESTful APIs.
- I provided support to a legacy Angular app and helped with migration of a legacy Java app.

Java (allg.), Node.Js, React (JavaScript library)