Senior Developer

Stack

Responsibilities

• ▹Develop and maintain business objects - data models, backend logic and APIs
• ▹Implement features and refine components within a modern, agile, dynamic environment
• ▹Perform testing and maintain documentation
• ▹Collaborate primarily with internal stakeholders while considering external partner requirements

Requirements

• ▹Extensive experience in Agile development methodologies
• ▹Advanced proficiency in Python and modern backend frameworks
• ▹Strong experience in API design, integration and development
• ▹Solid background in SQL development and database design
• ▹Demonstrated expertise in back-end development and system architecture
• ▹Proven experience building and maintaining API services
• ▹Strong understanding of code quality, maintainability and backend best practices
• ▹English language B2 level

Nice to have

• ▹Experience with performance optimization and scalability in backend systems
• ▹Familiarity with business object modelling and data model design
• ▹Experience in testing frameworks and QA methodologies
• ▹Proficiency with version control systems and CI/CD pipelines
• ▹Experience with internal stakeholder management and cross-functional collaboration
• ▹Ability to mentor junior developers and contribute to team growth
• ▹Knowledge of mobile network infrastructure or the telecommunications domain

What we offer

• ▹Remote work possibility within Hungary

About the company

Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group, providing a wide portfolio of IT and telecommunications services with more than 5,300 employees. It serves large corporate clients in Germany and other European countries and is hiring IT professionals across its four Hungarian sites (Budapest, Debrecen, Pécs, Szeged). According to Randstad's 2025 representative survey, it is Hungary's most attractive employer.