I am a Frontend Developer with 13 Years of Experience in various industries.
Aktualisiert am 17.11.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 10.11.2025
Verfügbar zu: 100%
davon vor Ort: 100%
Front-End
React
TypeScript
Terraform
Ansible
Haskell
Python
.Net

Einsatzorte

Einsatzorte

Erfurt (+100km) Jena (+100km)
Deutschland
möglich

Projekte

Projekte

1 year 6 months
2024-04 - 2025-09

Development of an AI-powered chatbot

Senior Software Developer .net @fluentui @testing-library/react ...
Senior Software Developer
  • Creation of an agentic AI based chatbot to ease ITsupport for users and IT Support Agents. Usersshould have access via an MS Teams app, ITsupporters via a standalone web app. Both usingthe internal API of the IT Support Ticket Systemto create, view and update Tickets. In case the AIcould not help, users can issue a Handover to ahuman IT Support Agent is established.
  • The unreliable nature of an AI had to be appliedon real business processes, which require reliableresults and GDPR-compliant processing of Data.
    • lead of learshore Development Teams
    • supervising secure development
    • development of a complex cloud deployment
    • finding and establishing automated testsstrategies
    • fullstack coding
    • handling large refactorings to cope withlegacy code
Project Challenges
  • many API Connections using REST, Websocketsand Directline
  • Coordination of the nearshore Team: LanguageBarriers, »hard to test« solutions, personnelturnover, etc.
  • Security - the Client runs criticalinfrastructure
  • Rollout and Integration into existingprocesses
.net @fluentui @testing-library/react ansible azure cloud c# directline docker effect ts lit element material ui next.js react redux teamsapp terraform ts tsx vite vitest web components az azure devops docker-compose storybook teamsfx toolkit vs code
EnBW AG
2 years 1 month
2023-03 - 2025-03

IT-Infrastructure

It Generalist (Community Service) ansible debian haskell ...
It Generalist (Community Service)
  • Complete setup of an inhouse IT-Infrastructure
  • cable and hardware installation
  • setup and configuration of Routers, Firewallsand Networks
  • setup and automation Virtualization, Backupsand more
  • providing Infrastructure for a CoworkingSpace up to 60 Users and up to 20 Officeswith totalling around 150 Devices
  • devlopment of an inhouse management Database
ansible debian haskell kvm libvirt opentofu postgres qemu software defined networking (sdn) unify / ubiquity univention corporate server wlan / ethernet / glass fiber git hammer / screwdriver / saw / zip ties / ducktape vs code
Werkbank Weimar
7 months
2023-09 - 2024-03

Introducing CI/CD based on Gitlab

Senior Software Developer @reduxjs/toolkit @testing-library/react ansible ...
Senior Software Developer
  • Introducing CI/CD based on Gitlab
  • Handling Legacy Frontend Code (ExtJS)
  • Setting up automated IT Infrastructure(gitlab, nextcloud)
@reduxjs/toolkit @testing-library/react ansible debian docker react react-intl react-router redux rest ts tsx vitest web components docker-compose vite vs code
Xplain Data
10 months
2022-04 - 2023-01

B2B customer service

Frontend Developer @reduxjs/toolkit @reduxjs/toolkit/query @testing-library/react ...
Frontend Developer
  • Start off a new B2B Customer Service
  • React 18
@reduxjs/toolkit @reduxjs/toolkit/query @testing-library/react fp-ts graphql msw react react-intl redux rest ts tsx vitest web components docker docker-compose github enterprise invision microsoft azure sketch storybook vite vs code
Mercedes-Benz.io
9 months
2021-06 - 2022-02

Migration from Ember to Vue

Frontend Developer/ Ux Designer @vue/test-utils ember.js fp-ts ...
Frontend Developer/ Ux Designer
  • kick off migration from ember to vue
  • Vue3 project using composition API
  • reworking UX design and concept
  • using npm monorepos in conjuction with lernato create reusable packages
@vue/test-utils ember.js fp-ts jss luxon mocha/chai node.js rest ts ts-toolbelt tsx vue-i18n vue.js vuex web components docker docker-compose figma gitlab gitlab-ci lerna vite vs code
Enginsight GmbH
1 year 5 months
2019-12 - 2021-04

AR Game Development

Founder, Game Designer And Developer ansible crypto api css ...
Founder, Game Designer And Developer
  • Founder of »by the way media«
  • Buisness Development
  • Concept and Development of a location basedAR Game
  • Game programming
ansible crypto api css docker docker-compose esbuild fastify fp-ts generic sensors hetzner cloud html http v2 javascript jest local storage node.js pug pwa python react redux rest rollup socket.io svg three.js ts web components webpack bash blender git gitlab inkscape openstreetmap api vs code
on request
4 months
2019-10 - 2020-01

Creative Coding

Course Instructor css es html ...
Course Instructor
Giving an introduction to code HTML, CSS andJavascript (ES6). Main focus for creative studentswho wanted to create creative websites
css es html javascript beamer chalk sublime text
Bauhaus-Universität Weimar
1 year 6 months
2017-11 - 2019-04

Maintainace and Setup of various Websites

Web Developer arch linux bootstrap composer ...
Web Developer
  • Maintainace and Setup of various Websites
  • Browser based Simulations of User Interfaces
  • Linux and browser based Kiosk systems
arch linux bootstrap composer css docker docker-compose es express grav html jasmine javascript jest mysql nginx node.js php phpunit python react redux rest scss svg ts typo3 vue.js web components webpack wordpress bash bitbucket git intellij zeplin
Atelier Papenfuss
4 months
2018-03 - 2018-06

open art space

Developer batik (java) composer css ...
Developer
  • Development of a »Drag'n'Drop Jigsaw PuzzleGame«, based on SVG and Redux
  • Grav based Website with a Form to upload andcustomise user created Images
  • a Gallery to show those Images
  • English and Arabic Language
batik (java) composer css docker docker-compose grav html jasmine nginx php redux rest svg ts twig webpack bash git intellij
How To Build Up, S. L.
2 months
2017-10 - 2017-11

HUD Prototyping

Developer docker es react ...
Developer
Development of an interactiv browser based Protypeof a Head Up Display within the automotive Sector
docker es react redux scss webpack adobe photoshop bash git
design:lab weimar
2 months
2017-10 - 2017-11

HUD Prototyping

Developer docker es react ...
Developer
Development of an interactiv browser based Protypeof a Head Up Display within the automotive Sector
docker es react redux scss webpack adobe photoshop bash git
design:lab weimar
3 months
2017-08 - 2017-10

PST

Frontend Developer css docker html ...
Frontend Developer
  • implementation of designs into html, css andjs to use within a cms
  • Styleguide, generated from post-css
css docker html javascript php post-css scss bash git styleguide zeplin bem
Bloom GmbH
4 months
2017-04 - 2017-07

Agenturtätigkeit

Frontend Developer gulp html javascript ...
Frontend Developer
  • implementations of designs
  • Styleguide based Development
  • including Image Galleries and other JSONbased rendering of Contents
gulp html javascript jquery post-css require.js rest scss bash git styleguide bem git flow scrum
Plan.Net Pulse
9 months
2016-08 - 2017-04

SP-Tool

Developer docker docker-compose draft.js ...
Developer
Conceptual Design and Development of an internalTool to create and manage smaller showcaseWebsites. Users were able to use a simple Editorto create tiny Websites from a set of ContentElements.
docker docker-compose draft.js es html nginx php react redux rest scss symfony twig webpack bash git intellij
Serviceplan Gruppe für innovativeKommunikation GmbH & Co. KG
2 months
2017-01 - 2017-02

Heads UP! - final implementation

Developer apache buildr css es ...
Developer
Develpment of a complete Javascript to make aWebsite aware of the Phones orientation in space,which could be used as an extension for any cms.Included the ability to lazily start the effect,as well as to abort it. Local Storage was used toshow the effect only once.
apache buildr css es html local storage ruby scss svg bash git sublime text
Plan.Net Campaign GmbH & Co. KG

Position

Position

Developer

Einsatzorte

Einsatzorte

Erfurt (+100km) Jena (+100km)
Deutschland
möglich

Projekte

Projekte

1 year 6 months
2024-04 - 2025-09

Development of an AI-powered chatbot

Senior Software Developer .net @fluentui @testing-library/react ...
Senior Software Developer
  • Creation of an agentic AI based chatbot to ease ITsupport for users and IT Support Agents. Usersshould have access via an MS Teams app, ITsupporters via a standalone web app. Both usingthe internal API of the IT Support Ticket Systemto create, view and update Tickets. In case the AIcould not help, users can issue a Handover to ahuman IT Support Agent is established.
  • The unreliable nature of an AI had to be appliedon real business processes, which require reliableresults and GDPR-compliant processing of Data.
    • lead of learshore Development Teams
    • supervising secure development
    • development of a complex cloud deployment
    • finding and establishing automated testsstrategies
    • fullstack coding
    • handling large refactorings to cope withlegacy code
Project Challenges
  • many API Connections using REST, Websocketsand Directline
  • Coordination of the nearshore Team: LanguageBarriers, »hard to test« solutions, personnelturnover, etc.
  • Security - the Client runs criticalinfrastructure
  • Rollout and Integration into existingprocesses
.net @fluentui @testing-library/react ansible azure cloud c# directline docker effect ts lit element material ui next.js react redux teamsapp terraform ts tsx vite vitest web components az azure devops docker-compose storybook teamsfx toolkit vs code
EnBW AG
2 years 1 month
2023-03 - 2025-03

IT-Infrastructure

It Generalist (Community Service) ansible debian haskell ...
It Generalist (Community Service)
  • Complete setup of an inhouse IT-Infrastructure
  • cable and hardware installation
  • setup and configuration of Routers, Firewallsand Networks
  • setup and automation Virtualization, Backupsand more
  • providing Infrastructure for a CoworkingSpace up to 60 Users and up to 20 Officeswith totalling around 150 Devices
  • devlopment of an inhouse management Database
ansible debian haskell kvm libvirt opentofu postgres qemu software defined networking (sdn) unify / ubiquity univention corporate server wlan / ethernet / glass fiber git hammer / screwdriver / saw / zip ties / ducktape vs code
Werkbank Weimar
7 months
2023-09 - 2024-03

Introducing CI/CD based on Gitlab

Senior Software Developer @reduxjs/toolkit @testing-library/react ansible ...
Senior Software Developer
  • Introducing CI/CD based on Gitlab
  • Handling Legacy Frontend Code (ExtJS)
  • Setting up automated IT Infrastructure(gitlab, nextcloud)
@reduxjs/toolkit @testing-library/react ansible debian docker react react-intl react-router redux rest ts tsx vitest web components docker-compose vite vs code
Xplain Data
10 months
2022-04 - 2023-01

B2B customer service

Frontend Developer @reduxjs/toolkit @reduxjs/toolkit/query @testing-library/react ...
Frontend Developer
  • Start off a new B2B Customer Service
  • React 18
@reduxjs/toolkit @reduxjs/toolkit/query @testing-library/react fp-ts graphql msw react react-intl redux rest ts tsx vitest web components docker docker-compose github enterprise invision microsoft azure sketch storybook vite vs code
Mercedes-Benz.io
9 months
2021-06 - 2022-02

Migration from Ember to Vue

Frontend Developer/ Ux Designer @vue/test-utils ember.js fp-ts ...
Frontend Developer/ Ux Designer
  • kick off migration from ember to vue
  • Vue3 project using composition API
  • reworking UX design and concept
  • using npm monorepos in conjuction with lernato create reusable packages
@vue/test-utils ember.js fp-ts jss luxon mocha/chai node.js rest ts ts-toolbelt tsx vue-i18n vue.js vuex web components docker docker-compose figma gitlab gitlab-ci lerna vite vs code
Enginsight GmbH
1 year 5 months
2019-12 - 2021-04

AR Game Development

Founder, Game Designer And Developer ansible crypto api css ...
Founder, Game Designer And Developer
  • Founder of »by the way media«
  • Buisness Development
  • Concept and Development of a location basedAR Game
  • Game programming
ansible crypto api css docker docker-compose esbuild fastify fp-ts generic sensors hetzner cloud html http v2 javascript jest local storage node.js pug pwa python react redux rest rollup socket.io svg three.js ts web components webpack bash blender git gitlab inkscape openstreetmap api vs code
on request
4 months
2019-10 - 2020-01

Creative Coding

Course Instructor css es html ...
Course Instructor
Giving an introduction to code HTML, CSS andJavascript (ES6). Main focus for creative studentswho wanted to create creative websites
css es html javascript beamer chalk sublime text
Bauhaus-Universität Weimar
1 year 6 months
2017-11 - 2019-04

Maintainace and Setup of various Websites

Web Developer arch linux bootstrap composer ...
Web Developer
  • Maintainace and Setup of various Websites
  • Browser based Simulations of User Interfaces
  • Linux and browser based Kiosk systems
arch linux bootstrap composer css docker docker-compose es express grav html jasmine javascript jest mysql nginx node.js php phpunit python react redux rest scss svg ts typo3 vue.js web components webpack wordpress bash bitbucket git intellij zeplin
Atelier Papenfuss
4 months
2018-03 - 2018-06

open art space

Developer batik (java) composer css ...
Developer
  • Development of a »Drag'n'Drop Jigsaw PuzzleGame«, based on SVG and Redux
  • Grav based Website with a Form to upload andcustomise user created Images
  • a Gallery to show those Images
  • English and Arabic Language
batik (java) composer css docker docker-compose grav html jasmine nginx php redux rest svg ts twig webpack bash git intellij
How To Build Up, S. L.
2 months
2017-10 - 2017-11

HUD Prototyping

Developer docker es react ...
Developer
Development of an interactiv browser based Protypeof a Head Up Display within the automotive Sector
docker es react redux scss webpack adobe photoshop bash git
design:lab weimar
2 months
2017-10 - 2017-11

HUD Prototyping

Developer docker es react ...
Developer
Development of an interactiv browser based Protypeof a Head Up Display within the automotive Sector
docker es react redux scss webpack adobe photoshop bash git
design:lab weimar
3 months
2017-08 - 2017-10

PST

Frontend Developer css docker html ...
Frontend Developer
  • implementation of designs into html, css andjs to use within a cms
  • Styleguide, generated from post-css
css docker html javascript php post-css scss bash git styleguide zeplin bem
Bloom GmbH
4 months
2017-04 - 2017-07

Agenturtätigkeit

Frontend Developer gulp html javascript ...
Frontend Developer
  • implementations of designs
  • Styleguide based Development
  • including Image Galleries and other JSONbased rendering of Contents
gulp html javascript jquery post-css require.js rest scss bash git styleguide bem git flow scrum
Plan.Net Pulse
9 months
2016-08 - 2017-04

SP-Tool

Developer docker docker-compose draft.js ...
Developer
Conceptual Design and Development of an internalTool to create and manage smaller showcaseWebsites. Users were able to use a simple Editorto create tiny Websites from a set of ContentElements.
docker docker-compose draft.js es html nginx php react redux rest scss symfony twig webpack bash git intellij
Serviceplan Gruppe für innovativeKommunikation GmbH & Co. KG
2 months
2017-01 - 2017-02

Heads UP! - final implementation

Developer apache buildr css es ...
Developer
Develpment of a complete Javascript to make aWebsite aware of the Phones orientation in space,which could be used as an extension for any cms.Included the ability to lazily start the effect,as well as to abort it. Local Storage was used toshow the effect only once.
apache buildr css es html local storage ruby scss svg bash git sublime text
Plan.Net Campaign GmbH & Co. KG

Position

Position

Developer

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

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Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

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