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 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 Your Department At T Cloud Public we don’t just operate a platform — we shape the future of secure, scalable. Powered by agile ways of working, lean structures, and a passionate, high-performance team, we thrive in one of the most dynamic environments in the industry. If you’re a cloud enthusiast and a hands-on professional ready to tackle complex challenges, you’ll feel right at home with us. Why you will love working here? - Advance your career on a major European cloud platform — gain hands-on experience with cutting-edge, hyper-scale cloud technologies that will strengthen your skills and make you a sought-after cloud expert. - Turn ideas into action with a vibrant, international team — collaborate with colleagues who thrive on creativity, excellence, and delivering customer satisfaction. - Grow your career in a supportive environment — our buddy program ensures a smooth start, mentoring helps with further integration, and we offer plenty of learning opportunities throughout your employment lifecycle to deepen your technical competencies. - Be recognized for your achievements — we celebrate your contributions through multiple recognition programs. The challenges You’ll tackle? As a Security Engineer for T Cloud Public, you will: - Preventively perform penetration tests and actively combat attacks. - Being a driver for automation with regards to security testing. - Analyze and mitigate data and cyber risks. - Be a trusted advisor on information and IT security. - Work in a team of specialists where everyone helps each other in an open and trusting manner. Qualifications Your superpowers: - Completed studies in a technical, engineering or scientific subject or comparable professional training. - 3-5 years of professional experience in IT ideally with cloud security and/or penetration testing. - Relevant certification in IT security (such as OSCE, OSEP, OSEE, OSCP, CCSP, CISSP, etc.) - Hands-on experience with penetration testing and averted attacks. - Knowledge of relevant scanning/assessment/automation tools. - Strong experience in Linux and network related services. - High level of customer focus. - Knowledge of agile development processes. - Fluency in written and spoken English. - You will be working in the European Union to meet our customers' data security and privacy requirements. Think you’ve got what it takes? Apply now and build the cloud of tomorrow with us! Additional Information Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation. * Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation. - Company: Deutsche Telekom TSI Hungary Kft.

• Own the pacer and bidder • Go deep on the bidder and pacer stack map it end-to-end and identify at least one fragility worth owning on day one • Propose improvements to the bidder or pacer autonomously from problem definition through to design proposal • Ship measurable improvements to CPx, pacing accuracy, or win rate within your first three months • Raise the team's ceiling • Distribute critical system knowledge: make the team faster and less dependent on any single person • Challenge existing designs, including inherited ones, and push for cleaner solutions • Deepen expertise in the theoretical foundations (probabilistic modelling, PID control theory) powering our approaches • Move at Vibe pace • Use AI tooling as a genuine force multiplier (not a crutch, not a checkbox) • Iterate in production, not in your head, we - ship, measure and adjust

• Diseñar e implementar servicios y APIs REST, asegurando su correcta integración con las interfaces web • Participar en el análisis, diseño, desarrollo y mantenimiento de aplicaciones, contribuyendo tanto a la evolución de funcionalidades existentes como a la creación de nuevas soluciones • Diseñar y optimizar modelos de datos y consultas en bases de datos relacionales • Aplicar buenas prácticas de desarrollo (principios SOLID, patrones de diseño, código limpio), asegurando calidad, escalabilidad y robustez en las soluciones • Garantizar la seguridad, el rendimiento y la escalabilidad de los servicios desarrollados • Colaborar en la definición técnica de las soluciones y participar en decisiones de arquitectura cuando sea necesario • Participar activamente en revisiones de código del equipo • Trabajar en entornos ágiles, colaborando con otros perfiles técnicos y de negocio en la planificación y ejecución de tareas • Liderar técnicamente desarrollos o módulos dentro del proyecto

• Architect context pipelines for AI agents: curate what enters the context window (repo boundaries, domain knowledge, test outputs, CI feedback) so agents produce reliable, mergeable code, not just plausible code. • Prepare task specifications that are agent-actionable (clear acceptance criteria, referenced modules, explicit constraints) • Design and maintain agent-ready systems: well-bounded repos, comprehensive test suites as guardrails, CI/CD pipelines with structured output agents can parse and act on. • Serve as an AI Champion: join and strengthen our growing AI Champion community, contribute to workshops, curate effective agentic workflows, and mentor engineers on AI-assisted practices. Contribute to org-level AI tooling evaluations and OLX AI practices repositories. • Drive active migration from a legacy monolith to microservices, owning decisions on bounded domain decomposition. Working on making agentic workflows effective across a codebase whose boundaries are actively being redefined. • Set the bar for GraphQL API design, RESTful contracts, database schema, and CI/CD quality across the tribe. • Work with product and engineering leadership to identify high-value problems, propose initiatives, and drive impactful technical direction without direct authority • Guide senior engineers in managing and reducing technical debt with AI as an accelerator, not a shortcut.