Full Stack Developer (Java) for Credit Risk & Fraud Area (m/f/d)

If you are a passionate problem-solver with a strong understanding of development technologies, we would love to hear from you! Apply now to be considered for this exciting opportunity and take the next step in your career as a full stack developer. Join us and be a part of our team of talented individuals who are shaping the future of technology.

The starting salary may be higher depending on the extent of fulfillment of the employee's requirements (education, language skills, required practice, personality assumptions and skills).

What will be your key responsibilities:

As a member of the Credit Risk & Fraud Management team, you will have the opportunity to work on a variety of exciting projects, transform our services into a shared services model and contribute to building our shared service portfolio, which will be offered on international scope. You will be part of an international, cross-functional, and hybrid team, which is functionally steered by experts of Credit Risk & Fraud Management in Germany. Our onboarding period of at least 3 months includes business trips to Germany as well as visits from German colleagues in order to get to know each other as well as our ways of working as a team.

  • Be part of the team which creates the Credit Risk & Fraud Management solution for Deutsche Telekom group and the external market.
  • Within the Credit Risk & Fraud Management team you will help managing the credit risk exposure of Telekom in Germany (volume: > €2 billion per year).
  • You will help building up the Credit Risk & Fraud Services as a Shared Service and will shape the expansion of our service portfolio to all members of the DTAG group and to customers of the external market.
  •  You maintain and expand our technical capabilities in order to support Credit Risk & Fraud Management processes (e.g. fraud detection, fraud prevention and management of transactional risks) & transform our exisiting infrastrucutre, as on of the best IT platforms within DTAG group, into a full-stack Shared Service.
  • You are part of an international team with locations in Kosice (Slovakia) and Bonn (Germany).

Job content:

  • Agile development in close collaboration with three further Credit Risk & Fraud IT teams in Kosice / Bonn and the functional unit Credit Risk & Fraud Management in Bonn
  • Building up a state of the art, cloud native application landscape for Credit Risk & Fraud Management to be used on international scale
  • Thoroughly analysing and designing requirements taking into account holistic business requirements and implications
  • Be part of the change, from analysing business requirements through functional conception to development and deployment
  • Transform already in use solutions to new technology (reuse what‘s good and build what‘s missing)
  • Work on cutting-edge methodology like e.g. realtime anomaly detection and graph database
  • Help building up a roadmap for the technical transformation in close cooperation with the other teams

What experience should you have:


University business degree (minimum: Bachelor’s degree) in Computer Science, Computer Engineering or related technical discipline or natural sciences

Language knowledge:

English - upper intermediate level (B2, no certificate necessary)

German - basic understanding would be helpful


At least 2+ years of professional software development experience in corporate environment

Experience with creating scalable microservices and building APIs is a must

Experience with modern programming languages and platforms like Java (preferably), Python, SQL, MongoDB, AWS, Postgres, Javascript etc.

Experience with Big Data Management & Analytical tools and methods are benefical

Non-exhaustive list of desired skills:

- Backend development (preferably Java, Javascript)

- Web development (e.g. angular, vue.js)

-Test automation experience

- Cloud platforms (e.g. AWS, GCP)

Other skills:

Good communication skills: The ability to explain complex technical concepts clearly, both orally and in writing, primarily to team members

Self-Motivation: A drive to learn and master new technologies and techniques as well as high motivation to create a product which helps the customer

Problem-Solving skills: critical thinking, creativity and the ability to evaluate different approaches

Teamwork within cross-functional team: collaboration, willingness to compromise and the ability to give and receive constructive feedback

What do you get in return:

  • Annual bonus
  • Fully paid meal vouchers
  • Mobile phone also for private use
  • Notebook
  • Discounts for selected Telekom products
  • Supplementary pension saving contribution
  • Cafeteria system of benefits/Multisport card
  • Sick days
  • Sports club & Health days
  • Teambuildings, summer & Christmas party
  • Opportunities for career growth
  • Referral program
  • Flexible working time
  • Employee Assistance Program: Free telephone and e-mail access for our employees and their family members to the following professionals: Psychologist, Consultant, Lawyer, Financial Consultant
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