Your responsibilities, High-Scale Data Pipeline Engineering, Design and maintain ingestion, ETL, and activation pipelines supporting real-time and batch processing of multi-billion event datasets., Optimize data workflows for latency, reliability, and scalability in cloud-native environments., Platform Modernization & Lakehouse Development, Modernize legacy ad-tech systems into open, lakehouse-based architectures (Iceberg, Delta, Hudi) for unified analytics and monetization., Embed observability, data lineage, and automation frameworks to reduce technical debt and improve resiliency., Cross-Functional Data Delivery, Partner with Data Science to operationalize ML models for forecasting, optimization, and personalization., Ensure downstream data delivery into ad servers, identity systems, and activation platforms is low-latency and privacy-compliant, Architectural Leadership & Mentorship, Act as a domain expert in distributed systems, streaming, and big data engineering., Mentor junior engineers, share best practices, and elevate engineering standards across global teams. What we offer, Contract of employment, Benefits package: private medical care, life and accident insurance, MyBenefit cafeteria platform, sports card, social fund, retirement pension plan, Employee Referral Program, Free access to the HBO Max platform, Work-life balance initiatives: well-being platform, yoga, massages, educational webinars, Employee Support Program, film screenings organized by employees in the office cinema, Training and development: training platform, co-financing of English lessons, Employee Resource Groups, Engagement Club - the opportunity to develop your interests in thematic employee groups, online meetings with experts, CSR activities: volunteering, ecological and social initiatives, Access to parking spaces, Hybrid Working - This role is advertised as a Hybrid work model, that combines remote and in-office work, following our current company policy and to be agreed with your Line Manager. Subject to any applicable laws, WBD / your Line Manager reserves the right to change this working agreement where this is essential to business needs and upon reasonable notice to you.

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Senior Staff, Data Engineer