freiberufler Front End/UI Developer auf freelance.de

Front End/UI Developer

zuletzt online vor 8 Tagen
  • 85€/Stunde
  • 60385 Frankfurt am Main
  • Weltweit
  • en  |  de
  • 09.04.2024

Kurzvorstellung

Front End/UI Developer with extensive experience regarding the visual apprehension of user interfaces (HTML/CSS/JS). However, I also have proven experience developing the front end functionality for React, React Native and VueJS applications.

Auszug Referenzen (7)

"J. ist ein leidenschaftlicher Entwickler. Wir hatten eine offene und direkte Kommunikation und konnten so ein gutes Ergebnis erzielen."
VueJS Developer
ANTJE GROSSMANN
Tätigkeitszeitraum

12/2022 – 6/2023

Tätigkeitsbeschreibung

Changing the existing front end of the WIKA web app to VueJS.
WIKA - The world’s leading manufacturer of pressure and temperature measuring technology, headquartered in Klingenberg am Main, Germany.

Skills: VueJS, JavaScript, TypeScript, SASS, CSS Modules, HTML, Visual Studio Code, Figma, JIRA, GitLab, Scrum.

Eingesetzte Qualifikationen

JavaScript, Jira, SCRUM, Softwareentwicklung (allg.), TypeScript, Visual Studio

"Was a pleasure working with J.! Quickly understood the context of the topics he was working on and delivered with top notch quality!"
React Native Developer
Kundenname anonymisiert
Tätigkeitszeitraum

8/2022 – 10/2022

Tätigkeitsbeschreibung

DocMorris - Online Pharmacy, headquartered in Berlin.
Updating both the DocMorris and Medpex React Native Apps.

Eingesetzte Qualifikationen

React Native

"It was nice to work with Johny, he has good skills in React development and communication was smooth on both side."
Freelance React Front End Developer
Emilie Graziana
Tätigkeitszeitraum

5/2021 – 6/2022

Tätigkeitsbeschreibung

Kyriba is the global leader in cloud treasury and finance solutions.
Adding a React UI to a pre-existing Java app.
This contract was extended.

Eingesetzte Qualifikationen

Git, CSS (Cascading Style Sheet), Docker, Jira, Linux (Kernel), React (JavaScript library)

"J. has worked on Nuri's rebranding and helped successfully launch the first iteration of the new apps. Always professional!"
React Native Developer
Kundenname anonymisiert
Tätigkeitszeitraum

1/2021 – 5/2021

Tätigkeitsbeschreibung

Nuri is a blockchain banking service, headquartered in Berlin.
Implementing a full app redesign and rebranding project, Bitwala => Nuri.
This contract was extended.

Skills: React Native, GraphQL, JavaScript, TypeScript, CSS, HTML, Visual Studio Code, Figma, JIRA, GitHub, Slack, Scrum.

Eingesetzte Qualifikationen

React Native

"Mr N. worked at Rakuten Kobo for 9 months, successfully completing a number of Greenfield React Native Apps. He’s a very talented developer."
React/React Native Front End Developer
David Jansohn
Tätigkeitszeitraum

4/2020 – 12/2020

Tätigkeitsbeschreibung

Developing new features for the tolino app, the main features being CarPlay and Chromecast, using React Native. In addition and in parallel to the above, I also did React development for the tolino WebApp. This role was 100% remote.

Skills: React, React Native, Redux, CSS, HTML, Visual Studio Code, JIRA, GitLab, Bitbucket, Slack, Scrum.


Eingesetzte Qualifikationen

Application Development

"Mr N. worked at medulife for about 3 month as a web developer/designer with passion and dedication."
React UI Developer
Ruediger Moeller
Tätigkeitszeitraum

1/2019 – 4/2019

Tätigkeitsbeschreibung

Responsible for redesigning and developing the look and feel and visual design for the various Medulife React applications.

Skills: CSS, HTML5, React, Sketch, Adobe Creative Cloud, Visual Studio Code, GitHub.

Eingesetzte Qualifikationen

Adobe Creative Cloud, Sketch, Front-End Entwicklung, CSS (Cascading Style Sheet), HTML5, JavaScript, React (JavaScript library)

"J. was a pleasure to work with. He's a very talented and skilled web developer."
Front End Developer
Martin Siebel
Tätigkeitszeitraum

6/2018 – 12/2018

Tätigkeitsbeschreibung

Responsible for fixing various JIRA issues on the numerous Fidelity websites.

Skills: Backbone.js, React, JavaScript, CSS, SASS, HTML5, Git, Webpack, JIRA, Agile.

Eingesetzte Qualifikationen

Syntactically Awesome Stylesheets (Sass), SCRUM, Front-End Entwicklung, Jira, Backbone.js, CSS (Cascading Style Sheet), HTML5, JavaScript, React (JavaScript library)

Qualifikationen

  • CSS (Cascading Style Sheet)
  • Git
  • HTML5
  • JavaScript
  • JavaScript Object Notation (JSON)
  • Jira
  • React (JavaScript library)
  • React Native
  • Softwareentwicklung (allg.)
  • Vue.js

Projekt‐ & Berufserfahrung

VueJS Developer
diva-e, Remote
12/2022 – 6/2023 (7 Monate)
IT & Entwicklung
Tätigkeitszeitraum

12/2022 – 6/2023

Tätigkeitsbeschreibung

Changing the existing front end of the WIKA web app to VueJS.
WIKA - The world’s leading manufacturer of pressure and temperature measuring technology, headquartered in Klingenberg am Main, Germany.

Skills: VueJS, JavaScript, TypeScript, SASS, CSS Modules, HTML, Visual Studio Code, Figma, JIRA, GitLab, Scrum.

Eingesetzte Qualifikationen

JavaScript, Jira, SCRUM, Softwareentwicklung (allg.), TypeScript, Visual Studio

React Native Developer
DocMorris, Remote
8/2022 – 10/2022 (3 Monate)
Gesundheitswesen
Tätigkeitszeitraum

8/2022 – 10/2022

Tätigkeitsbeschreibung

DocMorris - Online Pharmacy, headquartered in Berlin.
Updating both the DocMorris and Medpex React Native Apps.

Eingesetzte Qualifikationen

React Native

Freelance React Front End Developer
Kyriba France, Remote
5/2021 – 6/2022 (1 Jahr, 2 Monate)
Finanzdienstleister
Tätigkeitszeitraum

5/2021 – 6/2022

Tätigkeitsbeschreibung

Kyriba is the global leader in cloud treasury and finance solutions.
Adding a React UI to a pre-existing Java app.
This contract was extended.

Eingesetzte Qualifikationen

Git, CSS (Cascading Style Sheet), Docker, Jira, Linux (Kernel), React (JavaScript library)

React Native Developer
Nuri GmbH, Berlin
1/2021 – 5/2021 (5 Monate)
Finanzdienstleister
Tätigkeitszeitraum

1/2021 – 5/2021

Tätigkeitsbeschreibung

Nuri is a blockchain banking service, headquartered in Berlin.
Implementing a full app redesign and rebranding project, Bitwala => Nuri.
This contract was extended.

Skills: React Native, GraphQL, JavaScript, TypeScript, CSS, HTML, Visual Studio Code, Figma, JIRA, GitHub, Slack, Scrum.

Eingesetzte Qualifikationen

React Native

React/React Native Front End Developer
Rakuten Kobo Inc., Darmstadt (Remote)
4/2020 – 12/2020 (9 Monate)
Tourismus und Freizeitwirtschaft
Tätigkeitszeitraum

4/2020 – 12/2020

Tätigkeitsbeschreibung

Developing new features for the tolino app, the main features being CarPlay and Chromecast, using React Native. In addition and in parallel to the above, I also did React development for the tolino WebApp. This role was 100% remote.

Skills: React, React Native, Redux, CSS, HTML, Visual Studio Code, JIRA, GitLab, Bitbucket, Slack, Scrum.


Eingesetzte Qualifikationen

Application Development

React Front End Developer
CORE SE, Frankfurt am Main
6/2019 – 12/2019 (7 Monate)
IT & Entwicklung
Tätigkeitszeitraum

6/2019 – 12/2019

Tätigkeitsbeschreibung

Developing the Front End for two confidential financial applications using React. This role was 60% remote.

Eingesetzte Qualifikationen

SCRUM, Jenkins, Jira, CSS (Cascading Style Sheet), HTML5, Kubernetes, React (JavaScript library)

React UI Developer
Medulife GmbH, Frankfurt am Main
1/2019 – 4/2019 (4 Monate)
Gesundheitswesen
Tätigkeitszeitraum

1/2019 – 4/2019

Tätigkeitsbeschreibung

Responsible for redesigning and developing the look and feel and visual design for the various Medulife React applications.

Skills: CSS, HTML5, React, Sketch, Adobe Creative Cloud, Visual Studio Code, GitHub.

Eingesetzte Qualifikationen

Adobe Creative Cloud, Sketch, Front-End Entwicklung, CSS (Cascading Style Sheet), HTML5, JavaScript, React (JavaScript library)

Front End Developer
Fidelity International, Frankfurt am Main
6/2018 – 12/2018 (7 Monate)
Finanzdienstleister
Tätigkeitszeitraum

6/2018 – 12/2018

Tätigkeitsbeschreibung

Responsible for fixing various JIRA issues on the numerous Fidelity websites.

Skills: Backbone.js, React, JavaScript, CSS, SASS, HTML5, Git, Webpack, JIRA, Agile.

Eingesetzte Qualifikationen

Syntactically Awesome Stylesheets (Sass), SCRUM, Front-End Entwicklung, Jira, Backbone.js, CSS (Cascading Style Sheet), HTML5, JavaScript, React (JavaScript library)

Über mich

Front End/UI Developer with extensive experience regarding the visual apprehension of user interfaces (HTML/CSS/JS). However, I also have proven experience developing the front end functionality for React, React Native and VueJS applications.

In my most recent role as a VueJS Developer at diva-e, my main role was to change the existing front end of the WIKA web app to VueJS. WIKA is the world’s leading manufacturer of pressure and temperature measuring technology, headquartered in Klingenberg am Main, Germany.

Weitere Kenntnisse

BA (Honours)

Persönliche Daten

Sprache
  • Englisch (Muttersprache)
  • Deutsch (Gut)
Reisebereitschaft
Weltweit
Home-Office
bevorzugt
Profilaufrufe
1984
Alter
59
Berufserfahrung
24 Jahre und 3 Monate (seit 01/2000)

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