Senior Data Engineer

Senior Data Engineer is a hybrid permanent role at MDW in Poland, posted 6 Oct 2026.

Senior Data EngineerLocation: Poland, RemoteAbout MDWMDW is a leading consulting company specialised in Data, AI and BizApps, with offices in Geneva and Madrid. Recognised as Microsoft Partner of the Year with multiple awards, we help major organisations transform their business with Azure, Microsoft Fabric, Databricks and AI technologies.Your roleWe are looking for a Senior Databricks / Spark Data Engineer to join our team and work on cutting-edge, enterprise-scale Data projects. Given the criticality of the production phase we are entering, we need deep expertise in Databricks and the big data ecosystem, a proven ability to deliver at very high data volumes, and the seniority to tackle complex challenges autonomously and with confidence.What you will doDesign and deliver enterprise-scale Databricks and Spark data solutions, handling very high data volumes with parallelised execution across countries and marketsBuild and evolve Data Solutions on Azure & Microsoft FabricTake end-to-end ownership of data pipelines, from data processing to BI-ready datasets, with a strong focus on performance tuning and scalabilityDeliver real consulting projects across industries, reacting quickly to evolving requirementsProvide personalised support to clients, working closely with them on-site in a hybrid model, ensuring effective collaboration and solutions that align with their business objectivesStrengthen seniority, autonomy, and delivery confidence within the teamCollaborate with an international team of experts at MDW to grow togetherWhat we valueCore Requirements – Databricks & Big DataProven experience delivering Databricks projects at very high data volumes, with parallelised execution across countries or marketsStrong Python and PySpark expertise, with deep knowledge of Spark performance tuning and optimisationHands-on experience with Declarative Automation Bundles and CI/CD pipelines (Azure DevOps)Experience with end-to-end delivery: from data processing to BI-ready datasetsExperience with Batch Data workflow design, including Medallion ArchitectureExperience with Data Modelling: Star schemas, Snowflake schemasKnowledge of Azure Data Platform: Data Factory, Synapse, Data Lake Gen2, Azure Functions, Logic Apps, etc.Strong SQL skillsInfrastructure & DevOpsExperience with CI/CD with Azure DevOpsKnowledge of IaC with Terraform, Bicep, ARM, or PulumiSoft Skills & LanguageAbility to work with high autonomy and deliver quickly in a fast-paced, evolving project environmentStrong client communication skills, ensuring effective management and a positive experience throughout the projectFluent in EnglishCertifications (Valued)Databricks certifications (strongly valued)Azure certifications: DP-203, AZ-104, AZ-304...Experience working in an Agile environmentNice to HaveReal-time workflow design (Kafka, structured streaming, Delta Live Tables, Fabric Eventhouse, etc.)Master Data Management & Governance tools (Profisee, Purview)Knowledge of Microsoft Fabric platformWhat we offer / Our benefitsPermanent employee contract (Polish payroll)Competitive salary based on your experience25 days of paid vacation3 team building events per yearDedicated budget for training and certificationsOwnership across the full lifecycle of cloud-based data solutionsModern Azure-based stack Show more Show less