Profileimage by KarlHeinz Pongratz Web App Designer & Entwickler from StAndrae

Karl Heinz Pongratz


Last update: 30.10.2019

Web App Designer & Developer

Company: Karl Heinz Pongratz
Graduation: not provided
Hourly-/Daily rates: show
Remote Stundensatz
Languages: German (Native or Bilingual) | English (Full Professional) | Greek (Limited professional)


Long-Standing experience in user interface design, web development, and software engineering. I love to build well designed and reliable products, being it a small component or a complex web application.

  • Analytical thinking
  • Attention to detail
UI Design
  • Wire Frames
  • Screen Design
  • Prototyping
Frontend Development
  • JavaScript, TypeScript
  • React, Redux, Svelte, Sapper, Ramda, Lodash, YUI, D3,  jQuery
  • Responsive/Progressive Web App development (PWA)
  • Web Standards & Accessibility best practice
  • Performance optimization
Backend Development
  • JavaScript, TypeScript, Python, Salang
  • webapp2, Flask
  • MySql, Google Cloud Datastore, SalangSQL
  • Appengine, Apache, Node.js, Sawmill
  • Gulp, Grunt
  • Babel, Stencil (web component compiler), Webpack
  • Git
  • Requirement Analysis
  • Agile, TDD

Project history

Relevant References

Flowerfire Inc
Santa Cruz, California
01/2003 - 03/2018

Senior UI Designer/App Developer (Frontend, Front-Backend)
Sawmill version 7, 8 and 9 design & development. Sawmill is a web application for log analysis and reporting.

Karl H. P.
Athens, Greece
10/2001 - 12/2002

Webdesigner, Web developer
Freelance work in the field of web design and web development.

Rhesos Ltd
Athens, Greece
08/1998 - 09/2001

Product Manager, Sofware Developer
Database and multimedia development in the field of GIS and Mapping Software.

Time and spatial flexibility

Up to 140 hours per month.

99% remote work

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