Qualifications
Essential Technical Expertise:In-depth understanding of Spring Core (IoC, bean lifecycle, AOP, scopes)Proficient in Spring Security (authentication, authorization, OAuth2, SAML, session handling)Solid experience with Spring Data (JPA) and relational databasesExtensive knowledge in designing and implementing REST and SOAP servicesStrong Java expertise (Java 11+) and enterprise application design skillsSystem Design & Architecture:Excellent system design capabilitiesFamiliarity with core design patterns and architectural principlesExperience in designing scalable and secure enterprise systemsAbility to analyze trade-offs and propose sustainable technical solutionsProduction & Operations Experience:Proven experience in maintaining enterprise applications in a production environment
About the job
Join the Deutsche Telekom IT Solutions team as a Senior Full-Stack Developer and be a key player in enhancing the Telekom Distribution Partner Portal (T-VPP), the go-to platform for both internal and external sales of Deutsche Telekom products. This platform empowers our distribution partners to effectively market fixed-line and mobile products through a streamlined web interface and robust B2B web service integrations.
We are seeking an experienced developer with a strong background in backend development, with over 80% of your work focusing on enterprise services, integrations, security, and data processing. The role will also involve occasional frontend development tasks, making it a well-rounded opportunity for a skilled developer.
Your Key Responsibilities:
- Engage in backend development with Spring-based enterprise applications (80%)
- Integrate internal and external systems utilizing REST and SOAP
- Design and implement secure APIs
- Provide production support, monitoring, and performance optimization
- Participate in frontend development using JSF, React, or Angular (approximately 20%)
About Deutsche Telekom IT Solutions
Recognized as Hungary's most attractive employer in 2025 by Randstad, Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. We offer an extensive range of IT and telecommunications services, employing over 5,300 professionals. Our clientele includes numerous large corporations in Germany and across Europe. DT-ITS has received accolades such as the Best in Educational Cooperation award from HIPA in 2019 and was named the Most Ethical Multinational Company in the same year. We continue to expand our operations across Budapest, Debrecen, Pécs, and Szeged, seeking talented IT professionals to join our dynamic team.