Expert Developer - REF5616W

Stack

Responsibilities

• ▹Develop and maintain business objects, including data models, backend logic, and APIs
• ▹Implement features, refine components, testing, and maintain documentation
• ▹Guide the team's technical direction and ensure alignment with project goals
• ▹Support team performance through mentoring and coordination
• ▹Foster efficient, agile development practices

Requirements

• ▹Extensive experience in Agile development methodologies and practices
• ▹Proven expertise in API integration and design
• ▹Strong background in back-end development
• ▹High proficiency in Python programming
• ▹Demonstrated experience with data modelling and database design
• ▹Experience leading technical teams and mentoring junior developers
• ▹Strong understanding of system architecture and scalability principles

Nice to have

• ▹Knowledge of mobile network infrastructure or telecommunications domain
• ▹Familiarity with modern development tools, version control systems, and CI/CD practices
• ▹Experience with testing frameworks and quality assurance methodologies
• ▹Understanding of RESTful API design principles and best practices
• ▹Experience with technical documentation and knowledge management

Soft skills

About the company

Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group and was named Hungary's most attractive employer in 2025 (according to a representative survey by Randstad). The company provides a wide portfolio of IT and telecommunications services with more than 5,300 employees, serving hundreds of large corporate customers in Germany and other European countries. In 2019, DT-ITS received the Best in Educational Cooperation award from HIPA and was recognized as the Most Ethical Multinational Company. The company continuously develops its four sites in Budapest, Debrecen, Pécs, and Szeged, and is constantly looking for skilled IT professionals to join its team.