I have co-developed the frontend for corporate websites for end clients in over 8 different projects on behalf of interactive tools, mostly from the initial setup to the first release and beyond. This involved, for example, the development of custom web components that are connected to a headless CMS to display a multilingual and international corporate website. Web components were developed using Vue.js and Storybook, while the corporate website was built with Nuxt.js, with Magnolia or Typo3 being used on the backend.

As sr web app developer on behalf of meelogic consulting AG I developed as part of an agile scrum team for Hella Aglaia a web application based editor for labeling objects in videos (in automotive area) to improve training data for machine learning based object detection.Technology Stack:- Frontend: html, css, javascript, typescript, vue.js, vuex, vuex-fire, three.js, cypress, jest, npm, fabric.js- Backend: google firebase (firestore, firestorage, cloud functions, hosting)

As a freelancer I am offering my services as Frontend Web Developer with specialisation on:- Single Page Web Applications (using Vue.js, Angular, Meteor)- Fetching/Sending data from/to existing REST APIs- Mobile optimisation (responsive/fluid)

Sr Web Frontend Developer at Here Technologies (IOT department) in Berlin as IT Consultant (Freelancer) for Meelogic Consulting AG:Assignments:- Implementation of the "web reference app" for the "here tracking cloud" as a single page application (app.tracking.here.com) towards existing REST API as part of a scrum team.- Developing the app from prototype phase over to bootstrap of production ready quality app and beyond its first public release in early 2018.- Focus optimisation of performance, usability, modularisation and code quality- Integration of venue mapsTechnology Stack:- html, css, javascript- vue.js, vuex, vue-i18n, moment.js, lodash, fetch- karma, istanbul, sinon, chai- sass, webpack, babel, eslint- git/gerrit, jira, confluence- open here libraries for map rendering and object visualisationTechnology Stack (for first prototype):- Angular 2, rxjs, redux

Sr Web Frontend Developer at Here Technologies (Venue department) in Berlin as IT Consultant for Meelogic Consulting AG:Assignment:- Implementation of additional features for “venue maps admin tool” as a single page web application towards existing REST API- Refactoring/Rebuilding app in vue.js (before: meteor)- mobile optimisation, file upload, interactive forms with instant validation, drag and dropFrameworks/Libraries:- Meteor.js, vue.js, vuex, node.js, lodash, fetch, bash- Nightwatch.js- SASS/LESS, webpack, babel- git/gerrit, Jira, confluence- AWS (DynamoDB, CloudFront, S3, Lambda, EC2)

Sr Web Frontend Developer at Here Technologies (IOT department) in Berlin as IT Consultant (Freelancer) for Meelogic Consulting AGFor details see above (same position from Oct 2017)

Assignments:- Development of features for applicant tracking system called "just hire" (B2B solution).- Development (including bootstrapping) of an application portal called "softgarden network" (B2C solution).Technology Stack:- HTML, CSS, javascript, Angular, grunt, gulp, nodejs, elastic search, cucumber.js- Apache Wicket, java- jira, confluence

As a student assistant (10-16h/week) for the chair of educational sciences of Saarland university I implemented applications for performing learning and realtime reaction experiments on humans with computers. I also conducted the experiments using these applications including eye tracking and EEG. Following technologies were used: VBA, Excel, C++, Scala, Tobii-Studio (and SDK), E-Prime (and SDK)