Career Profile

Hey, I’m René Schimmelpfennig. Softwaredeveloper with passion 😎

Experiences

Full Stack Developer

Mar 2021 - today
LambdaQoppa Enterprise GmbH, Berlin

developing disruptive digital platforms and offers strategic, change and digital transformation for public institutions

  • Frontend: React & Redux
  • Backend: Asp.net (Source Generators, Entity Framework, Dotnet 8, Azure hosting)

Full Stack Developer at "Math exercises" project

Apr 2020 - Dec 2020
Cornelsen Verlag GmbH, Berlin

Generate new interactive exercises formats with Angular for integration Moodle.

  • Frontend: Angular 10, NgRX, TypeScript, SCSS, integration of GeoGebra and MathType keypads
  • Backend: asp.net core 3.1
  • CI: Azure DevOps

Full Stack Developer at "Lunchtime" project

Apr 2020 - Dec 2020
Cornelsen Verlag GmbH, Berlin

“Lunchtime” is an intranet webapp to meet colleagues from other departments. You go out to dinner together and exchange ideas.

  • Frontend: Angular 9, TypeScript
  • Backend: asp.net core 3.1
  • Azure Functions (C#) for time triggered jobs
  • Microsoft Teams integration
  • send appointment e-mails
  • Office 365 single sign on integration
  • CI: Azure DevOps

Full Stack Developer at "Leseo" project

Dec 2017 - Mar 2020
Cornelsen Verlag GmbH, Berlin

Leseo is an digital platform for primary school. There are a lot of digital books that students can read on their own. But their teachers can also assign tasks to them. The platform analyses how good the child is at reading and suggests simpler or more extensive books to the teacher.

  • Fontend: Angular 9, NgRx, TypeScript, SCSS
  • Backend: asp.net core 2.3
  • Testing frameworks: xUnit, Jest and Cypress
  • agile softwaredevelopment (SCRUM)
  • technical project architecture/conception of “Leseo” platform
  • connection to internal and external services (CMS, OpenID Connect service, licence manangement system)
  • setup deployment pipeline (Docker)
  • Presentation of the product at trade fairs (Didacta 2019 Cologne)

Frontend Developer at "scook.de" project

2015 - 2017
Cornelsen Verlag GmbH, Berlin

On scook.de students and teacher can read digital Cornelsen books.

  • agile softwaredevelopment (SCRUM)
  • Transformation of an existing internet platform (scook.de) to AngularJS; optimize frontend; split monolitic application into small modules
  • build “scook offine” client with Electron

Full Stack Developer

2011 - 2015
Smarthouse Media GmbH, Karlsruhe/Berlin

Smarthouse has specialized in financial service providers

  • Webdevelopment for fnancial service providers (with asp.net Webforms)
  • Webdesign (HTML, CSS, JavaScript, Responsive Design)
  • Data conversion (CSV, XML, JSON)
  • Microsoft SQL Server (database design)
  • Distribution of responsibilities, deployments, process optimizations and documentation

Freelance Softwaredeveloper

2009 - 2011
Capital Health Hospital Group GmbH, Berlin

Capital Health operates the CityPraxen in Berlin, a group of medical practices for primarily private patients. A patient management platform was developed for them.

  • Design and development of an own administration system for medical practices (C, Silverlight/WPF, MVVM-Pattern, SOAP WebService, SQL Server)
  • Webdesign (HTML, CSS, JavaScript, Responsive Design)
  • Data conversion (CSV, XML, JSON)
  • Microsoft SQL Server (database design)
  • Distribution of responsibilities, deployments, process optimizations and documentation

Trainee Softwaredevelopment

2004 - 2007
Sozial Software GmbH, Prenzlau

job training and developing a software for ambulatory care services.

  • Visual Basic 6 based Desktop client
  • Microsoft Access 97 database
  • planning and maintenance of the software system

Skills & Proficiency

React

Angular & ngrx

.net

nodejs

HTML5 & (S)CSS

TypeScript

C#

Python

Azure