Senior Data Engineer

We are a team of experts bringing together top talents in IT and analytics. Our mission is to build high-performing data and technology teams — from the ground up or by scaling existing ones — to help our partners become truly data-driven organizations. Currently, we are looking for a Senior Data Engineer to join the Global Analytics Unit , a global, centralized team driving data-driven decision-making and developing smart data products that power everyday operations across markets. The team's essence is innovation — we foster a data-first mindset across all business areas, from sales and logistics to marketing and procurement. As the team expands its analytics solutions globally, we're seeking a hands-on engineer who combines strong software craftsmanship with a passion for building scalable, automated data systems. Why join us If you want to: Work on complex, large-scale data systems with global impact Build robust and scalable data pipelines using modern cloud-native architectures Contribute to innovative projects and see your ideas implemented Work in a diverse global team of top-tier engineers and data professionals Have the freedom to shape tools, technologies, and processes Operate in a culture that values autonomy, collaboration, and technical excellence then this role is for you. We also offer: Flexible working hours and remote work options A relaxed, non-corporate environment with no unnecessary bureaucracy Private medical care and Multisport card A modern office in central Warsaw with great transport links Access to global learning resources, certifications, and knowledge exchange Your role As a Senior Data Engineer , you will: Design, develop, and maintain end-to-end data pipelines and architectures for large-scale analytics solutions Refactor code and REST services to support dynamic OpCo deployments and multi-tenant scalability Develop zero-touch deployment pipelines to automate infrastructure and environment provisioning Implement data validation and testing frameworks ensuring reliability and accuracy across data flows Integrate new pipelines into a harmonized data execution portal Build and maintain serverless and Databricks-based data processing systems on Azure Design and optimize ETL/ELT workflows in Python (including PySpark) Implement Infrastructure as Code (IaC) for reproducible deployments using tools like Terraform Collaborate closely with Data Scientists, Architects, and Analysts to deliver production-grade data products Troubleshoot, monitor, and improve data pipelines to ensure performance and resilience What we expect 5 years of professional experience as a Data Engineer or Software Engineer in data-intensive environments Strong Python development skills , with solid understanding of OOP, modular design, and testing (unit/integration) Experience with PySpark and distributed data processing frameworks Hands-on experience with Azure Data ecosystem , including Databricks, Data Factory, Synapse, and serverless compute Solid knowledge of SQL and database performance optimization Experience in CI/CD and DevOps practices for data pipelines (GitHub Actions, Azure DevOps, or similar) Proven ability to refactor complex systems and implement scalable, automated solutions Experience in data testing, validation, and observability frameworks Strong communication skills and the ability to work independently in a global, collaborative team environment Fluent English Nice to have Experience with DBT (Data Build Tool) for transforming and testing data in analytics pipelines Experience with Terraform or other Infrastructure as Code tools Familiarity with containerization and orchestration (Docker, Kubernetes) Understanding of data governance and metadata management principles Experience in multi-tenant or multi-market system design In short We're looking for a software-minded Data Engineer — someone who writes clean, testable Python, designs systems that scale globally, and loves automating everything that can be automated. You'll have a real impact on the architecture and delivery of global analytics solutions used daily across multiple markets. Please add to your CV the following clause: " I hereby agree to the processing of my personal data included in my job offer by hubQuest spółka z ograniczoną odpowiedzialnością located in Warsaw for the purpose of the current recruitment process." If you want to be considered in the future recruitment processes please add the following statement: " I also agree to the processing of my personal data for the purpose of future recruitment processes."