Junior Application Developer
DeutscheTelekomITSolutionsSlovakia
Posted: February 23, 2026
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Quick Summary
We are seeking a Junior Software Engineer to join our team and work on developing innovative software solutions. This role involves designing and implementing software applications using a variety of programming languages, including Java, Python, and C++. Key requirements include proficiency in at least one programming language, excellent problem-solving skills, and experience with agile development methodologies.
Required Skills
Job Description
Our brand Deutsche Telekom IT Solutions Slovakia entered the life of Košice region in 2006 under the name of T-Systems Slovakia and ever since has been inextricably linked with the region when became one of the founding members of Košice IT Valley. We have managed to grow from scratch to the second largest employer in the eastern part of the country with more than 3900 employees. Our goal is to proactively find new ways to improve and continuously transform into the type of company providing innovative information and communication technology services.
We are looking for a Junior Software Engineer Agile to support our Avengers team. 
Application
The risk evaluation system (RiBS) is the internal credit agency of the Deutsche Telekom and as such, rates all customers and partners of the Telekom areas landline and mobile, as well as Congstar, in daily rating processes. The resulting scores and classifications are used for processes like credit assessments, limit monitoring, or fraud detection, as a basis for decision making. The evaluations are also used in controlling the late-notice and dunning processes. To complete this task, RiBS has access to relevant data from customers, including their invoices, payment behavior, dunning procedures, collection proceedings, contracts, billing accounts, bank details, current and past addresses etc.
Tasks and Responsibilities
• Develop backend applications or microservices according stories definition
• Develop and run automated tests on various application levels
• Maintain application, support bug fixing
• Prepare GitLab CI/CD pipelines with DevOps engineers cooperation
• Prepare and perform initial data loads and migrations, interface and query setup
• Write and update technical system documentation and business logic documentation (e.g. UML)
• Contribute to knowledge base of developers
• Make proposals for optimization of processes
• Proactively manage problem solving and root cause analysis
Required:
• application development – 2+ years
• programming Java 17+, Spring Boot
• test automation, unit testing
• SQL and NoSQL databases (Oracle, PostgreSQL, MongoDB)
• English - Upper intermediate (B2)
• communicative, team player and have analytical thinking
Advantage:
• Script language bash, python, JavaScript, Angular, TypeScript
• one of the following hyperscalers: AWS, GCP or Open Telekom Cloud
• REST API and message based communication
• K8S
• GitLab CICD / DevOps / Jira
• Apache Camel
• SCRUM, SAFe, Less
Benefits
We believe in balance between work and personal life. An attractive and extensive work-life balance portfolio guarantees lasting motivation for employees and thus a better quality of life, promotes physical and mental well-being and contributes to a positive work environment. All this with the aim of providing more freedom in reconciling work, career growth, private life and individual lifestyle. Therefore we offer to our employees over 25 different benefits to improve their personal and professional life in these areas:
• Financial benefits
• Benefits with focus on learning and development
• Benefits with focus on health and sport
• Benefits with focus on family and work – life balance
• Other benefits
For more information about our benefits click to Benefits
Salary
Final salary is negotiable.
We are offering base salary depending on seniority level and previous experience of candidate. In addition to base salary we provide variable part and other financial benefits. Base salary will not be lower than 1150 € /brutto.
Additional information
* Please be informed that our remote working possibility is only available within Slovakia due to European taxation regulation.