1&1 IT Development: Senior iOS developer (m/f), München
For our location in München we are looking for a:

Senior iOS developer (m/f) - For GMX and WEB.DE

Reference ID: MU-MHai-1711045

Your Tasks:

We develop the most successful freemail services in Germany - GMX and WEB.DE - and are looking forward to you as an experienced iOS developer. As a member of the "Mobile Development iOS" team your work is geared to advancing this success worldwide.

  • Deploying leading edge technologies, you design and develop new functionalities for millions of GMX, WEB.DE, mail.com and 1&1 users worldwide.
  • You enrich the products with your own ideas and technically sound feedback.
  • You are motivated to expand state of the art quality assurance measures throughout the development process.
  • You deliver high quality work and contribute your know-how by way of code reviews and automated tests.
  • You make use of regular slack days to work on personally desired product features, learn more about exciting new technologies and other similar topics, etc.

We Appreciate:

To qualify for this position, you will have earned an engineering or technical degree, or have completed comparable vocational training. You are highly motivated and eager to join us in advancing leading edge technology developments.

  • Your core competencies are in Objective C, Swift, Cocoa and Core Data, where you command excellent specialist know-how.
  • You have sound knowledge of software design and the description of software architecture.
  • You are experienced in unit-testing and continuous integration.
  • Routine interaction with and management of Code, git and JSON is a matter of course for you. Additional, welcome strengths on your side include Swift skills, as well as know-how covering Web- (HTML, Javascript) and Client-/Server technologies (REST, HTTP).
  • You are independent, a strong communicator and enjoy agile working approaches in teams. Your profile is rounded out by sound German and English language skills.

I want to apply now via email

Your application should present a complete picture of you. This includes:

Cover letter

The cover letter is one of the most important elements of your application. Explain as clearly as possible why you’re applying for this specific position at our company. Don’t tell us your life story, just explain what makes you so interesting that we should invite you for an interview. Please don’t forget to include your salary expectations and earliest starting date and/or current term of notice.


Make sure there are no gaps in your education and work record. You should generally begin with your higher education details. Any gaps (e.g. application phase, stays abroad, etc.) must be explained. We are also interested in your language and IT skills, as well as any hobbies.


Please attach all important documents. These include employer references, school leaving, training, and higher education certificates. However, seminar certificates or similar participation documents, often just make your application unnecessarily bulky.


In the case of certain positions (e.g. Website Management), we attach great importance to suitable references or work samples. This will generally be requested in the respective job advertisement.

What do I have to consider when applying by e-mail or using an online form?

The best idea is to pack all of your documents into a single PDF document. This allows us to open everything with just one click. It also ensures that the layout of your documents isn’t altered. The file should be no larger than 5 MB.