Dennis Röhrs

📱 iOS Mobile Developer 🏎

Freiberuflich, Señor iOS Developer, Freelancer

Hamburg, Germany

About me

Experienced senior iOS Engineer with a passion for clean efficient code and software architectures. Professional software developer since 2007 and iOS developer since day one of the SDK in 2008. Motivated to lead your project to a great mobile success!

Skills

Swift
iOS Development
mobile
Machine Learning
Core ML
Liferay Portal
Objective-C
iOS-Entwicklung
iPhone Programmierung
Cocoa
Cocoa touch
Software-Development
Java
Backend-Entwicklung
J2EE
Java/J2EE
Java Spring
ActiveMQ
MySQL
PostgreSQL
Cassandra
Cluster Services
WSO2
Web Application Development
Liferay Portal Development
Liferay Enterprise Development
JSP
JSF
Java Portlet Development
Design & Usability
Ruby on Rails
Ruby
Scrum
Agile Software Development
Hibernate
iOS
Beratung
Apple
Agile Entwicklung
SwiftUI

Timeline

Professional experience for Dennis Röhrs

  • Current 11 months, since Apr 2022

    Senior iOS Developer

    WeTransfer

  • Current 14 years and 4 months, since Nov 2008

    Founder & Lead iOS Developer

    Blue Island Coding

  • Current 20 years and 6 months, since Sep 2002

    Señor iOS Developer

    Freelancer

  • 5 months, Aug 2021 - Dec 2021

    Senior iOS Developer

    XING GmbH & Co. KG
  • 4 months, Dec 2020 - Mar 2021

    Senior iOS Developer

    Fielmann AG
  • 4 months, Jan 2020 - Apr 2020

    Senior iOS Developer

    Parship Group
  • 9 months, Apr 2019 - Dec 2019

    Senior iOS Developer

    New Work SE
  • 7 months, Sep 2018 - Mar 2019

    IT-Consultant (iOS)

    eos.uptrade
  • 1 year and 8 months, Dec 2016 - Jul 2018

    IT-Consultant (iOS)

    XING GmbH & Co. KG
  • 1 year and 9 months, Feb 2014 - Oct 2015

    IT-Consultant (Java Backend)

    T-Systems International GmbH, Digital Division

  • 6 years and 8 months, Jul 2007 - Feb 2014

    Freelancer (Developer)

    Generation Digitale GmbH & Co. KG

Educational background for Dennis Röhrs

  • Informatik

    HAW Hamburg

Languages

  • German

    First language

  • English

    Fluent

Wants

iOS Projekte
Backend-Entwicklung (Java)
Webprojekte
Kontakte aus der IT-Branche
Gedankenaustausch
Trends & Hypes
Tägliche Herausforderung
Projekte in Hamburg
Projekte in Berlin
Projekte in Norddeutschland
Freelance
Freelancing

Interests

Businesskontakte
interessante Projekte

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