Cloud Developer (m/f/d)

Date: 25 May 2024

Location: München, BY, DE, 80992 Nürnberg, BY, DE, 90449 Düsseldorf, NW, DE, 40474 Teltow, BB, DE, 14513 Hamburg, HH, DE, 22297

Company: Telefonica S.A.

Contract type: full-time, unlimited
Entry: At the earliest possible date  


Working anywhere. We work where it is most productive. After a successful application process, we offer you the opportunity to work anywhere in Germany. At o2 Telefónica, we rely on a flexible hybrid model that includes the benefits of both remote work and on-site work. You will be assigned to the nearest o2 Telefónica location based on where you live. We will discuss further details with you during the application process. 


Who we are 

We are o2 Telefónica - with our mobile brands we connect millions of people and offer our customers mobile freedom in the digital world. As a leading telecommunications provider, we are playing a key role in shaping digitization in Germany. Our approximately 7,400 employees in Germany drive the transformation forward every day - in our own company as well. o2 Telefónica is one of the top employers in Germany and is part of the global telecommunications group Telefónica S.A. with 110,000 committed employees worldwide.   


Become part of our unique team and let's make a difference together!   


Join us at Telefónica as we revolutionize our entire technology landscape to deliver unparalleled services to our customers. Cloud technology lies at the heart of our transformation, serving as the bedrock for both IT and telecommunication workloads - we're committed to pushing boundaries to create the ultimate digital Telco experience.

Picture yourself crafting, refining, and meticulously testing new platform features, all while contributing to our Infrastructure as Code initiatives using CloudFormation. Your unwavering commitment to quality and security will ensure that every line of code meets the highest standards.

You'll be an integral part of the AWS Telco Team, an agile group with the autonomy to shape the platform for users across Telefónica - priorities are set by the users and the team to drive the best solutions. 


What to expect

  • Conceptualizing, developing, and testing innovative platform features as Infrastructure as Code (CloudFormation) within the development team, while strictly adhering to the highest quality and security standards.
  • Ensuring code stability through continuous pull requests and the application of established software engineering processes within the team.
  • Actively enhancing automated integration and deployment tests for smooth development and deployment workflows.
  • Designing and implementing components for the AWS Telco Landing Zone, with particular consideration of specific requirements of the telecommunications industry such as scalability, latency, redundancy, and security.
  • Close collaboration with stakeholders, architects, product owners, and the security department to implement and ensure user-centric requirements.
  • Participation in the developer community to standardize development methodologies across various teams and promote best practices.


What you bring

  • You have completed a university degree or equivalent education in computer science, electrical engineering, or a related field.
  • You have at least 5 years of professional experience in IT/cloud development and testing.
  • Your AWS certifications validate your skills as a cloud developer.
  • You possess excellent knowledge of CloudFormation for the development of cloud infrastructures.
  • You have outstanding skills in designing and developing test automations. Ideally, you have obtained the ISTQB certification.
  • You are fluent in English, with knowledge of German being advantageous.


What we offer  

Modern, flexible working environment: Work wherever you want within Germany. Whether in home office or one of our well-equipped offices. We offer you maximum flexibility to organize your working day. 

Training & Development: Everything you need for your individual growth. With a personal development plan, learning journeys and the possibility of job rotations, you will reach your goals with us – according to our guiding principle „connect, learn and move2grow". 

Financial benefits: A smartphone for business and private use, as well as the possibility to provide for partners, friends and family via a credit balance, is a given. In addition, you benefit from our kindergarten allowance and a variety of corporate benefits. 

Health: Our "Feel Good" program keeps your body and mind in balance. Among other things, we offer fitness classes, nutritional counseling, and programs to improve workplace ergonomics and work-life balance. 

Social engagement: We are also involved in social projects outside of our day-to-day work. You can support social projects through volunteering days / holidays or charity runs. 


How to apply and what else you should know  

Convince us with your meaningful curriculum vitae as well as corresponding certificates. You do not need a letter of motivation with us. Please note that applications are only possible via our applicant portal and applications by e-mail cannot be considered.  

Do you have questions about our application process and are you interested in further information about the position? Please reach out to our Recruiting Team (


In case of same qualification, applicants with severe disability will be preferred. All gender are equally welcome.