Hello,
Please take a look into some python open source projects that we created:

Pet (Project Environment Tool) - is the tool to help you manage the project and their tasks.
https://github.com/limebrains/pet

PyDrill - Python Driver for Apache Drill
https://github.com/PythonicNinja/pydrill

Sufler - is the tool to help you with generating bash/zsh/powershell/fish autocompletions from YAML file.
https://github.com/limebrains/sufler

And the clients that we work with (or worked recently) are:
* Siemens - their newest (the hottest :) ) IoT project based on their mindsphere platform:
https://www.siemens.com/global/en/home/products/software/mindsphere.

* Villoid.no - Fashion-related e-commerce platform for matching the fashion influencers with the brands and creating campaigns/create content based on instagram etc.

* Nokia - ETL processing of big-data systems

* g-plans.com - Personalized and Automated health and food related platform.

* http://mazzars.fr/ - Data mining company employing around 20k professionals. We're create some of their internal products in technologies like: VueJS / ReactNative / NodeJs / Django / Flask.

* CoinFalcon.com - Cryptocurrency trading platform (ReactNative - available on ios and android)

* vox'm: https://voxm.live (ReactNative) - Innovative radio streaming app, providing a lot of ways of interaction. 1st place winner in grand prize innovation in new media (France)

• and many others!