Senior Developer - REF4459S
DeutscheTelekomITSolutions
Posted: March 17, 2026
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Quick Summary
As the Senior Developer for Deutsche Telekom Solutions, you will be responsible for designing and developing large-scale software applications, working closely with cross-functional teams to deliver high-quality solutions on time, meeting the needs of hundreds of customers in Germany and other European countries.
Required Skills
Job 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
Design, develop, implement, and continuously enhance automation applications that support and optimize network services across the organization. Collaborate with cross-functional teams to analyze requirements, translate business needs into scalable technical solutions, and ensure the reliability, performance, and maintainability of automation systems.
Responsibilities
• Develop and maintain solutions using YANG data models
• Integrate and communicate with systems and network devices via NETCONF and RESTCONF
• Design, implement, and manage databases for storing configurations
• Develop and maintain RESTful APIs for system integration
• Contribute to agile development processes within cross-functional teams
• Produce and maintain comprehensive technical documentation
• Strong proficiency in Rust or Python, with the ability to quickly learn and apply additional programming languages
• Extensive experience in software development, including microservices architectures and standalone applications
• Solid understanding of networking technologies (SD-WAN)
• Hands-on experience with Docker and containerized environments
• Experience working with YANG data models
• Practical experience with RESTCONF, NETCONF, and REST APIs
• Experience working with databases, including Redis
Independent work and active integration into the environment 
Agile methodology - basic knowledge of agile work 
Language: English or German (both at least B2)
* Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation.