Java backend developer (REF4637R)

Company Description

As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS recieved the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

Job Description

Department & Project

This position is within the Tolling Services team of Deutsche Telekom IT Solutions Hungary. The team consists of IT professionals specializing in electronic road-charging solutions. Together with our partners, we develop and operate intelligent, kilometer-based tolling systems for international customers, covering the entire business process (vehicle registrations, country booking, providing On-Board Units, position data transmission, charge calculation, and fleet billing). Leveraging digital intelligence and advanced technology, our tolling solutions facilitate seamless mobility across Europe. The team aims to enhance existing services and expand into new domains. As part of an international team collaborating with T-Systems International, you will play a key role in supporting our customers with cutting-edge tolling solutions.

Main Tasks

As A Java Developer:

• You will work on Tolling Services with high product quality standards.
• You will dig deep into complex problems and implement innovative proposals or solutions.
• You will try out new technologies to constantly improve and expand our wide range of know-how.
• You will be part of our cross-functional, international agile (scrum) team that will take full operational responsibility (incl. production environment, on call duty, approximately one week per every two months and SLAs) for the services that you own (we maintain a strong DevOps culture).

Qualifications

• Bachelor or Master’s degree in the following areas: Computer science, Engineering or Information Technology or equivalent work experience in IT
• At least 3 years of experience in developing microservices using Java and Spring Boot
• You have experience with MongoDB, Kafka, reactive programming, Quarkus, REST/SOAP messaging, Prometheus, Grafana, Elasticsearch/Opensearch
• You have experience with databases such as Oracle and PostgreSQL, including database design and optimization.
• You are familiar with CI/CD tools such as Git, GitLab, demonstrating a commitment to continuous integration and deployment.
• You can collaborate with Jira and Confluence
• Strong understanding of quality assurance and testing methodologies, with a focus on delivering robust and reliable software solutions.
• Strong communication skills and excellent written and verbal communication competences in English
• Knowledge of agile methods such as Scrum, Kanban, SAFe and experience in working in agile teams.
• You are a team player, who is eager to continually learn, grow and improve in a collaborative team environment.

Advantage:

• German language knowledge
• You have experience with Kubernetes/EKS and AWS services, understanding cloud-native application development.
• You have experience in Maven

Additional Information

* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.