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Senior Big Data Developer

Sii Polska — Poland · Posted ~1 hour ago

Senior Remote

Skills

Big Data Data Factory Spark PySpark SQL Data pipelines Lakehouse modeling Data modeling Medallion architecture Dimensional modeling OneLake Delta Lake Data quality Unit testing Integration testing Performance optimization Apache Spark

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Summary ✨ AI‑Generated

Join a remote data engineering team building and maintaining modern analytical solutions. You will create data pipelines and lakehouse models, integrate diverse sources, implement quality controls, operate and monitor workloads, investigate performance issues, and optimize resource usage. Strong experience with cloud data engineering, Spark/PySpark, SQL, and modern lakehouse modeling is expected.

Highlights

Remote senior data engineering opportunity focused on modern analytical solutions, scalable data pipelines, lakehouse architecture, data quality, performance optimization, and end-to-end pipeline operations.

Description

We are looking for an experienced Big Data Developer to join a team focused on creating and maintaining modern analytical solutions. You will be responsible for building and optimizing data pipelines and lakehouse models in a remote work environment. If you are passionate about data and want to work on innovative projects, this offer is for you. Your tasks Building and maintaining data pipelines and lakehouse modelsIntegrating data from various sourcesImplementing data quality controls and monitoringConducting unit and integration testsOperating and monitoring data pipelinesAnalyzing and resolving load and performance issuesOptimizing resource usageSupporting feasibility assessment and effort estimation for requirements Requirements At least 3 years of programming experience in Big DataStrong knowledge of Data Factory, Spark (PySpark), and SQLExperience in data modeling, including medallion architecture and dimensional modelingFamiliarity with OneLake and Delta Lake conceptsAbility to work with DataOps, including Git, deployment pipelines, and automated testingKnowledge of data quality and monitoring frameworksExperience in performance and capacity optimizationUnderstanding of source systems and APIsBasic knowledge of semantic models and Power BIAdvanced English language skills Job no. JOB-GR7FV Sii ensures that all hiring decisions are made solely on the basis of qualifications and competence. We are committed to equal and fair treatment of all, regardless of legally protected characteristics. At Sii, we promote a diverse and inclusive work environment, in full compliance with applicable anti-discrimination laws. Benefits For You Great Place to WorkSolid financial situationContracts with the biggest brandsCentre of internal trainingsMany experts you can learn fromOpen and accessible management teamProfit sharingPassion Sponsorship programRegular integration events and tripsComfortable and well-equipped officesMySii appMedical care