Mobile-First Full-Stack Development FE: Flutter (iOS & Android), sowie Nativ; BE: Go/gRPC
Aktualisiert am 15.07.2024
Profil
Freiberufler / Selbstständiger
Verfügbar ab: 01.08.2024
Verfügbar zu: 100%
davon vor Ort: 100%
Architekt
Mobile Apps
BackEnd
Go
AWS
Flutter
DevOps
Testautomatisierung
gRPC
Continuous Integration
Git
Docker
Datenarchitektur
English
Business Fluent
French
Basic Speaking Skills
German
First Language

Einsatzorte

Einsatzorte

München (+500km) Hamburg (+50km) Berlin (+50km)
Deutschland, Schweiz, Österreich
nicht möglich

Projekte

Projekte

6 Jahre 2 Monate
2018-05 - heute

Migrating code from legacy backends

Head of Architecture Shop Applications
Head of Architecture Shop Applications

multiple positions inside the company, exemplary excerpts below

  • Seeing the new native app (written in Flutter) through to release as team lead
  • Migrating code from legacy backends to the new services
  • Prototyping and kickstarting of various new projects, e.g.
    • Backend systems
    • Customizable shop applications for SaaS cloud customers
  • Public speaking
ABOUT YOU GmbH - mostly freelance via [Firmenname auf Anfrage]
6 Jahre 2 Monate
2018-05 - heute

Mobile Web

Senior Frontend Developer & Team Lead TypeScript React Redux & Tsaga
Senior Frontend Developer & Team Lead

multiple positions inside the company, exemplary excerpts below

  • Complete rewrite of the existing Mobile Website in TypeScript, React, Redux, and Redux Saga
  • Implementing PWA functionalities like Service Workers and Offline Capabilities
  • Optimizing performance and ensuring responsiveness
  • Introducing automated UI testing
TypeScript React Redux & Tsaga
ABOUT YOU GmbH ? mostly freelance via [Firmenname auf Anfrage]
6 Jahre 2 Monate
2018-05 - heute

consulting

Technical Sales Prototyping

multiple positions inside the company, exemplary excerpts below

  • Additionally various smaller project inside the company, consulting, technical sales and prototyping for the emerging AY Cloud business, contact person for backend development and architectural questions
Technical Sales Prototyping
ABOUT YOU GmbH ? mostly freelance via [Firmenname auf Anfrage]
8 Monate
2021-05 - 2021-12

Flutter-Entwickler für eine B2C-App im Fitness-Umfeld

Entwicklung Flutter Agile Softwareentwicklung
Entwicklung
Wir suchen für eine Flutter-App im Fitness-Umfeld einen erfahrenen Entwickler, der Lust hat unser zehnköpfiges Team zu unterstützen. Die App ist seit einigen Jahren released und nutzt seit knapp 2 Jahren Flutter. Derzeit 4,7 Sterne und über 10k Bewertungen. Das Team arbeitet seit über einem Jahr remote und besteht aus Mitgliedern verschiedener Nationen. Teamsprache ist Englisch.
Flutter Agile Softwareentwicklung
Hamburg
3 Jahre 5 Monate
2018-05 - 2021-09

Mobile App

Lead Developer Flutter Go Docker
Lead Developer

multiple positions inside the company, exemplary excerpts below

  • Completed rewrite of the existing native Android and iOS apps in Flutter
  • Deployed first backend micro services with Go / gRPC
Flutter Go Docker
ABOUT YOU GmbH ? mostly freelance via [Firmenname auf Anfrage]
7 Monate
2017-10 - 2018-04

Flash-based browser games

Game Developer HTML5 Transpilation
Game Developer HTML5 Transpilation
  • Joined the effort of porting their Flash-based browser games to HTML5
  • Improving the tooling that automatically and continually transpiles their source code from AS3 to TypeScript
  • Developing Selenium-based testing setup to test the games in an automated way across a variety of real browsers
  • Improving the games? performance by replacing slow parts in the core libraries making it exceed the previous version
Goodgame Studios, Altigi GmbH ? freelance via [Firmenname auf Anfrage]
2 Jahre 1 Monat
2015-09 - 2017-09

Leading the team

Team Lead UI Components TypeScript React Node.js ...
Team Lead UI Components
  • Leading the team that migrated the customer facing realtime application of our biggest client from jQuery to React (using a Flux architecture and an event based client-server communication model) as it underwent a front-end redesign
  • Implementing a pull-request based workflow so that changes are shared throughout the team and common standards uphold (aided by CI builds)
  • Creating various internal Node.js based tools to help with the specialized component based workflow (dependency management, unit testing, visual diffs (using BrowserStack), example runner/ playground)
  • Creating a new component based software development architecture that is used in the next major project currently under development
TypeScript React Node.js Ava Bamboo Docker and internal tools React Babel (ES6+) Flow Grunt Ava Node.js IE 8 - current browser Flash & WebRTC video
XaaSify Technologies GmbH
3 Jahre 6 Monate
2012-09 - 2016-02

Custom development and consulting

Co-Founder, Software Developer Node.js Knockout Ember.js ...
Co-Founder, Software Developer

Focus:

Custom development and consulting to help e-commerce platforms increase their reach and optimize their offers using competitor analysis

Reference Projects:

  • For Germany’s biggest hotel meta-search site
  • Fully automated system to track the hotel prices on competing platforms to detect ones own strengths and weaknesses
  • GROWTH-Project: Increase (organic) reach by dynamically optimizing the landing pages for great value deals and promoting these with SEA campaigns
  • SEO-Logalizer: In-house tool to analyze server log files
  • For an international bus search site
  • “Employee number one”, created the initial technical proof of concept
  • Built internal tools to manage bus companies and routes and analyze the data
  • Connected over 100 external partners to the platform (inbound API and web-scraping)
Node.js Knockout Ember.js Azure platform Node.js (Scraping) Go (Data analysis) Knockout Google App Engine Heroku
gladly on request
2 Jahre 10 Monate
2010-03 - 2012-12

Energy Savings Check

Software Developer
Software Developer
  • Porting the customer facing desktop application IngSoft InterWatt (Win32 app) to a single-page web application (using Backbone.js and a HTTP API)
  • Bi-directional data synchronization between internal and on-premise client-side systems
  • Creating an “Energy Savings Check” app for a major Austrian energy company that has been deployed to their civilian customers (Microsoft Silverlight)
  • Porting parts of the desktop app from Win32 to Microsoft WPF to make use of current features to improve the user experience
  • Adding new, ambitious features to the existing products which where critical for the sales team to acquire some very large customers
ingsoft GmbH

Aus- und Weiterbildung

Aus- und Weiterbildung

2009 - 2010:

Institution: Friedrich-Alexander-Universität zu Erlangen-Nürnberg

Education: Wirtschaftsinformatik


2000 - 2009:

Institution: Engelbert-Kaempfer-Gymnasium, Lemgo

Degree: General Qualification For University Entrance

Further education:

University of Cambridge FCE (B2, grade A)

Position

Position

Software Developer

Einsatzorte

Einsatzorte

München (+500km) Hamburg (+50km) Berlin (+50km)
Deutschland, Schweiz, Österreich
nicht möglich

Projekte

Projekte

6 Jahre 2 Monate
2018-05 - heute

Migrating code from legacy backends

Head of Architecture Shop Applications
Head of Architecture Shop Applications

multiple positions inside the company, exemplary excerpts below

  • Seeing the new native app (written in Flutter) through to release as team lead
  • Migrating code from legacy backends to the new services
  • Prototyping and kickstarting of various new projects, e.g.
    • Backend systems
    • Customizable shop applications for SaaS cloud customers
  • Public speaking
ABOUT YOU GmbH - mostly freelance via [Firmenname auf Anfrage]
6 Jahre 2 Monate
2018-05 - heute

Mobile Web

Senior Frontend Developer & Team Lead TypeScript React Redux & Tsaga
Senior Frontend Developer & Team Lead

multiple positions inside the company, exemplary excerpts below

  • Complete rewrite of the existing Mobile Website in TypeScript, React, Redux, and Redux Saga
  • Implementing PWA functionalities like Service Workers and Offline Capabilities
  • Optimizing performance and ensuring responsiveness
  • Introducing automated UI testing
TypeScript React Redux & Tsaga
ABOUT YOU GmbH ? mostly freelance via [Firmenname auf Anfrage]
6 Jahre 2 Monate
2018-05 - heute

consulting

Technical Sales Prototyping

multiple positions inside the company, exemplary excerpts below

  • Additionally various smaller project inside the company, consulting, technical sales and prototyping for the emerging AY Cloud business, contact person for backend development and architectural questions
Technical Sales Prototyping
ABOUT YOU GmbH ? mostly freelance via [Firmenname auf Anfrage]
8 Monate
2021-05 - 2021-12

Flutter-Entwickler für eine B2C-App im Fitness-Umfeld

Entwicklung Flutter Agile Softwareentwicklung
Entwicklung
Wir suchen für eine Flutter-App im Fitness-Umfeld einen erfahrenen Entwickler, der Lust hat unser zehnköpfiges Team zu unterstützen. Die App ist seit einigen Jahren released und nutzt seit knapp 2 Jahren Flutter. Derzeit 4,7 Sterne und über 10k Bewertungen. Das Team arbeitet seit über einem Jahr remote und besteht aus Mitgliedern verschiedener Nationen. Teamsprache ist Englisch.
Flutter Agile Softwareentwicklung
Hamburg
3 Jahre 5 Monate
2018-05 - 2021-09

Mobile App

Lead Developer Flutter Go Docker
Lead Developer

multiple positions inside the company, exemplary excerpts below

  • Completed rewrite of the existing native Android and iOS apps in Flutter
  • Deployed first backend micro services with Go / gRPC
Flutter Go Docker
ABOUT YOU GmbH ? mostly freelance via [Firmenname auf Anfrage]
7 Monate
2017-10 - 2018-04

Flash-based browser games

Game Developer HTML5 Transpilation
Game Developer HTML5 Transpilation
  • Joined the effort of porting their Flash-based browser games to HTML5
  • Improving the tooling that automatically and continually transpiles their source code from AS3 to TypeScript
  • Developing Selenium-based testing setup to test the games in an automated way across a variety of real browsers
  • Improving the games? performance by replacing slow parts in the core libraries making it exceed the previous version
Goodgame Studios, Altigi GmbH ? freelance via [Firmenname auf Anfrage]
2 Jahre 1 Monat
2015-09 - 2017-09

Leading the team

Team Lead UI Components TypeScript React Node.js ...
Team Lead UI Components
  • Leading the team that migrated the customer facing realtime application of our biggest client from jQuery to React (using a Flux architecture and an event based client-server communication model) as it underwent a front-end redesign
  • Implementing a pull-request based workflow so that changes are shared throughout the team and common standards uphold (aided by CI builds)
  • Creating various internal Node.js based tools to help with the specialized component based workflow (dependency management, unit testing, visual diffs (using BrowserStack), example runner/ playground)
  • Creating a new component based software development architecture that is used in the next major project currently under development
TypeScript React Node.js Ava Bamboo Docker and internal tools React Babel (ES6+) Flow Grunt Ava Node.js IE 8 - current browser Flash & WebRTC video
XaaSify Technologies GmbH
3 Jahre 6 Monate
2012-09 - 2016-02

Custom development and consulting

Co-Founder, Software Developer Node.js Knockout Ember.js ...
Co-Founder, Software Developer

Focus:

Custom development and consulting to help e-commerce platforms increase their reach and optimize their offers using competitor analysis

Reference Projects:

  • For Germany’s biggest hotel meta-search site
  • Fully automated system to track the hotel prices on competing platforms to detect ones own strengths and weaknesses
  • GROWTH-Project: Increase (organic) reach by dynamically optimizing the landing pages for great value deals and promoting these with SEA campaigns
  • SEO-Logalizer: In-house tool to analyze server log files
  • For an international bus search site
  • “Employee number one”, created the initial technical proof of concept
  • Built internal tools to manage bus companies and routes and analyze the data
  • Connected over 100 external partners to the platform (inbound API and web-scraping)
Node.js Knockout Ember.js Azure platform Node.js (Scraping) Go (Data analysis) Knockout Google App Engine Heroku
gladly on request
2 Jahre 10 Monate
2010-03 - 2012-12

Energy Savings Check

Software Developer
Software Developer
  • Porting the customer facing desktop application IngSoft InterWatt (Win32 app) to a single-page web application (using Backbone.js and a HTTP API)
  • Bi-directional data synchronization between internal and on-premise client-side systems
  • Creating an “Energy Savings Check” app for a major Austrian energy company that has been deployed to their civilian customers (Microsoft Silverlight)
  • Porting parts of the desktop app from Win32 to Microsoft WPF to make use of current features to improve the user experience
  • Adding new, ambitious features to the existing products which where critical for the sales team to acquire some very large customers
ingsoft GmbH

Aus- und Weiterbildung

Aus- und Weiterbildung

2009 - 2010:

Institution: Friedrich-Alexander-Universität zu Erlangen-Nürnberg

Education: Wirtschaftsinformatik


2000 - 2009:

Institution: Engelbert-Kaempfer-Gymnasium, Lemgo

Degree: General Qualification For University Entrance

Further education:

University of Cambridge FCE (B2, grade A)

Position

Position

Software Developer

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