Felix Junghans - PCA SunClub, PCA Cafeteria, PCA Food Service

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Waiblingen, Germany

Experience

Nov 2022 - Jul 2023

9 months

Germany

PCA SunClub, PCA Cafeteria, PCA Food Service

PCA GmbH

Developed three apps using Flutter (Dart), Swift (iOS) and Kotlin (Android)
Responsible for the UI/UX design of the apps
Developed a fingerprint plugin for HID Global in Swift and Kotlin
Used Riverpod and Flutter Bloc for efficient state management
Employed Hive and Isar for local data handling
Used Firebase for backend services (Firebase Cloud Messaging, Analytics, and Firestore)
Managed code with GitLab, developed with Visual Studio Code and Xcode
Flutter, Dart, Swift (iOS), Kotlin (Android)

Aug 2022 - Present

3 years

flutter_bootstrap5

An open source Flutter plugin that brings the Bootstrap CSS framework into Flutter. It helps to easily build websites in Flutter using Bootstrap CSS.
Flutter, Dart

Jun 2022 - Jan 2023

8 months

Germany

Digitale Woche Dortmund

KPS AG

Co-responsible for developing a web-based app with Flutter, React and NextJS
Used NodeJS and TypeScript for backend development and server management
Implemented a responsive design in Flutter
Performed refactoring and trained internal staff on code optimization
Used Docker for containerization and simplified deployment
Managed code with GitLab, developed with Visual Studio Code and Xcode
Flutter, React, NextJS, NodeJS, TypeScript, HTML, CSS

Mar 2022 - Mar 2023

1 year 1 month

Germany

Redesign and Development of Ticket Shops

Snec GmbH

Redesigned the Ski Germany ticket shop
Redesigned the SwissSki ticket shop
Redesigned the ticket shop for a major German ice hockey club
Co-developed a hospitality portal for Karlsruher SC using Symfony & PostgreSQL
Backend development and server management with NodeJS
Integrated a KeyCloak SSO interface for secure user authentication
Made SAP event ticketing structures more flexible to match clubs’ branding
Managed code with GitLab, developed with Visual Studio Code and Xcode, containerized with Docker
HTML, CSS, JavaScript, NodeJS, Symfony, SAP

May 2020 - Present

5 years 3 months

google_speech

An open source Flutter plugin that enables the use of the Google Speech API with gRPC as a pure Dart implementation
By using Google’s gRPC API, this plugin is currently the only one that supports streaming transcription from the Google Speech API
Flutter, Dart

Nov 2019 - Jul 2022

2 years 9 months

Waiblingen, Germany

LogBuch / Treeva

SDP GmbH

Lead developer for the LogBuch app (now: Treeva), responsible for development and UI/UX
Built data synchronization via events & web requests to create an offline-first app
Used isolates for background updates of large data sets
Developed a way to record audio with the app closed
Created map (Carto) and Bluetooth (Flic) plugins for iOS and Android
Worked with SQLite databases (Moor / Drift)
Unit & widget testing using Mockito / Injectable / GetIt (dependency injection)
Developed the web portal in Angular / TypeScript (PrimeNG)
Visual Studio Code, Xcode, GitLab, Docker
Flutter, Swift, Kotlin, Angular, TypeScript

Sep 2019 - Nov 2019

3 months

Waiblingen, Germany

Stihl Holzliste

SDP GmbH

Assisted in app development
Integrated Firebase Crashlytics / Analytics
Added Google & Apple payment interfaces
Visual Studio Code, Xcode, GitLab, Docker
Flutter, Swift, Kotlin

May 2019 - Sep 2019

5 months

Winnenden, Germany

Kärcher FloorCare App

Alfred Kärcher SE

Developed a prototype to control and analyze sweepers via an app
Enabled communication between app and machine over Bluetooth
Built a web portal in Angular
Flutter, Swift, Java, Angular

Aug 2018 - May 2019

10 months

Winnenden, Germany

Kärcher Manage App

Alfred Kärcher SE

Lead developer for the app, responsible for UI/UX
Built data synchronization for an offline-first app
App for planning and quality control of cleaning tasks
React, React Native, TypeScript, Swift, Java

Jun 2017 - Aug 2018

1 year 3 months

Winnenden, Germany

Kärcher Home & Garden App

Alfred Kärcher SE

Lead developer for the first version of the Kärcher Home & Garden App
Purpose was to control Kärcher’s smart IoT devices (RC3, Water Controller Duo Smart) via the app
Communication over Bluetooth
Communication with the Kärcher cloud
React, React Native, TypeScript, Swift, Java, AWS

Aug 2014 - Feb 2017

2 years 7 months

Ludwigsburg, Germany

Jägerettenportal

Mast Jägermeister SE

Developed an admin platform for the Jägermeister promotion teams in Stuttgart & Freiburg
The tool was used for internal event and staff management
Laravel, React

Languages

German

Native

English

Advanced

Russian

Elementary

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