Developer (REF5259P)

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.

Your project

This position is filled in the IPCEI-CIS project. It is a collaborative initiative among European Union member states aimed at advancing cloud technologies and infrastructure. The project seeks to enhance Europe’s digital sovereignty by fostering innovation in cloud services, improving data security, and boosting competitiveness in the global digital market. By pooling resources and expertise, IPCEI-CIS aims to develop secure, efficient, and interoperable cloud solutions that comply with EU standards and regulations.

Main tasks

• Take part in creating software solutions in scaled agile environment
• Build backend Go applications considering holistic business requirements and implications along the entire development process
• Build infrastructure level Go applications to enable automated operations
• Write scalable and maintainable code
• Ensure quality in every aspect of your work, from writing and maintaining documentation, doing code reviews or testing
• Collaborate with other teams in areas like security and AI

• Bachelor or master’s degree in the following areas: Computer science, Engineering or Information Technology or equivalent work experience in IT
• 5-10 years of overall IT experience of which majorly in technologies involving Golang and cloud services
• Should be very well conversant in some of the below:
• • Understanding cloud native app development
• Understanding different cloud layers and their specifics, e.g. virtualization, containerization
• Understanding of the networking in cloud environments on different layers
• Go backend development of various APIs
• Micro-services architecture
• Experience with Kubernetes esp. in developing operators, controllers
• Experience with communication protocol like REST, gRPC, protobuf etc.
• Experiences with SQL and NoSQL databases like Postgresql, MSSQL/MySQL or MongoDB
• Experience with diverse Identity and Access Management solutions, e.g. Keycloak and protocols like OIDC, OAuth. Preferably also experience with SSI, DID, VC
• Experience in developing concurrency scheduling mechanism
• Understanding of Kubernetes scheduling mechanisms esp. in multi-cluster setup (Karmada, OCM etc.)
• Integration of Event-Driven Services like Kafka, Prometheus, etc.

• Excellent Git and git branching strategies knowledge
• Continuous Integration and Delivery is a part of your daily work, especially with tools like Gitlab CI/CD
• Very good communication skills, the roles involve demonstration of product / solutions to internal and external stakeholders
• Candidates need good English written and oral skills. German skills a plus
• Experience with Jira and Confluence is a plus

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