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T Hub - Senior Data Engineer Miejsce pracy: Warszawa Technologies we use Operating system Windows About the project We are seeking an experienced Senior Data Engineer to join our core development team building the next generation of autonomous systems supporting operational processes. Your main goal will be to design and maintain advanced data infrastructure that serves as the foundation for AI agents and LLMs. You will be responsible for transforming distributed corporate data into high-quality resources ready for real-time analysis. Your responsibilities Build and optimize scalable data flow processes between Enterprise-class systems (ERP) and the central analytics platform Develop methods for efficiently retrieving and processing structured data (databases, APIs) and unstructured data (logs, text data) Create and maintain consistent data models that integrate multiple distributed sources into a unified business view Build and manage infrastructure supporting RAG systems, including integration with vector databases and ensuring input data quality for LLMs Implement mechanisms for data quality monitoring and automated validation in data pipelines Design data flows in line with the highest security standards, access control and data protection regulations Collaborate with data science, POs and IT teams to define requirements into implementation Our requirements Minimum 5 years in data engineering, data science or software engineering roles with strong AI focus Expert-level programming skills in Python and advanced SQL query optimization Experience with modern data warehouses and orchestration tools Practical knowledge of integration with large ERP systems (preferably SAP) Experience or strong understanding of working with vector databases and AI frameworks (e.g., LangChain, LlamaIndex) Proficiency in cloud environments in the context of data services and security Ability to map complex business processes into efficient data structures What we offer Employment contract Additional day off on the occasion of birthdays/namedays Medical package and life insurance Benefit platform - you choose what you benefit from Access to training platforms to improve your knowledge I know Talent - training or money for referring friends to work ! Besides, with us you can count on access to our products and services at preferential terms and benefits, which you will read about below Benefits sharing the costs of sports activities private medical care sharing the costs of foreign language classes sharing the costs of professional training & courses life insurance flexible working time corporate products and services at discounted prices integration events mobile phone available for private use no dress code parking space for employees extra social benefits sharing the costs of tickets to the movies, theater holiday funds birthday celebration sharing the costs of a streaming platform subscription employee referral program charity initiatives extra leave Benefit Platform T-Mobile Working at T-Mobile’s T Hub will offer you an unique and highly rewarding experience on IT market. As a leader in the telecommunications industry, T-Mobile not only provides a platform to hone your technical skills but also empowers you to be a catalyst for innovation. Youll have the opportunity to work at the forefront of cutting-edge technologies, from 5G to IoT and AI, shaping the future of connectivity. Our commitment to fostering a diverse and inclusive workplace means youll collaborate with a wide range of talented professionals, learning and growing together. T-Mobile encourages a culture of continuous learning and development, offering mentorship and support to help you thrive in your career. Wszystkie informacje o przetwarzaniu danych osobowych w tej rekrutacji znajdziesz w formularzu aplikacyjnym, po kliknięciu w przycisk "Aplikuj Teraz".