Role Description This position is within the Tolling Services team of Deutsche Telekom IT Solutions Hungary. The team consists of IT professionals specializing in electronic road-charging solutions. Together with our partners, we develop and operate intelligent, kilometer-based tolling systems for international customers, covering the entire business process: - Vehicle registrations - Country booking - Providing On-Board Units - Position data transmission - Charge calculation - Fleet billing Leveraging digital intelligence and advanced technology, our tolling solutions facilitate seamless mobility across Europe. The team aims to enhance existing services and expand into new domains. As part of an international team collaborating with T-Systems International, you will play a key role in supporting our customers with cutting-edge tolling solutions. As a Database Engineer: - Microsoft SQL Server operation: maintenance, migrations, administration, configuration, etc. - Support developers, testers and DevOps engineers about best practices in database operation. - Part of database team provides full operational responsibility (incl. production environment, 24x7 on call duty and SLAs). Qualifications - Experience with Microsoft SQL Server - Experience with SQL Databases – Oracle or/and MySQL or/and PostgreSQL or/and MariaDB - Experience with NoSQL databases – MongoDB or/and Apache or/and Neo4j - Knowledge of scripting in Ansible AWX - Team player attitude - Experience working in agile - Excellent written and verbal communication competences in English language - Proficiency in Jira & Confluence Requirements - German language knowledge (advantage) Benefits - Remote working possibility available only within Hungary due to European taxation regulation Company 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 received the Best in Educational Cooperation award from HIPA in 2019, acknowledged as 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.

• End-to-end feature development, from design and implementation to production rollout and ongoing improvements. • Build and operate backend services with a strong focus on scalability, reliability, and performance in a microservices environment. • Participate in system design and architecture planning, and contribute to technical decisions across the team. • Work with asynchronous, message-driven components using Redis Streams, including debugging, tuning, and ensuring resilient processing. • Write high-quality, maintainable code with appropriate test coverage; participate actively in code reviews. • Collaborate effectively with teammates and cross-functional stakeholders to deliver high-impact outcomes. • Continuously learn, adapt, and stay up-to-date with best practices and evolving technologies.

• Own the reliability of the event-driven messaging layer, including backpressure management, idempotency, dead-letter handling, and retry strategies. • Build and operate the infrastructure that runs LLM orchestration workloads at scale. • Own the operational data layer for the CI runtime, including state management, session persistence, and real-time data access patterns. • Own observability for the CI platform, including structured logging, distributed tracing (OpenTelemetry), and error tracking (Sentry). • Maintain and harden the interfaces between CI and downstream platforms, including contract testing, versioning, and failure handling. • Conduct code reviews and mentor team members on Python engineering practices and production readiness. • Own production support for CI infrastructure, including on-call responsibilities and incident response.

• As a Senior Full Stack Developer, you will play a key role in bringing the company’s product to market. • Transform approved UX/UI designs into responsive, intuitive, production-ready user interfaces. • Develop modern web applications using React, JavaScript/TypeScript, HTML, and CSS. • Ensure excellent usability, performance, accessibility, and responsiveness across the platform. • Work closely with designers and stakeholders to deliver a seamless user experience. • Design, develop, and maintain scalable backend services and application architecture. • Develop APIs and integrations with third-party platforms. • Design and manage databases and data structures. • Implement security, performance, and scalability best practices. • Troubleshoot and resolve application issues across the full technology stack. • Integrate AI services and APIs into the platform where appropriate. • Evaluate and recommend AI technologies that enhance product functionality. • Support the development of AI-driven workflows and user experiences. • Collaborate with stakeholders to identify opportunities for AI-enabled features. • Participate in technical architecture and product planning discussions. • Provide recommendations on frameworks, technologies, and development best practices. • Contribute to the ongoing evolution and scalability of the product.