Cloud Data Engineer: Data Lake & Pipelines (Azure)

Sii Poland; Kielce; On-site; PLN 150,000 - 210,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Contracts with big brands

Regular team events

Job summary

Sii Poland is seeking a skilled data engineer to join our Data & Analytics Competence Center. You will design and scale data platforms, build ETL/ELT pipelines in Azure Databricks, and model data for analytics.

You will collaborate with analysts, BI teams, and Data Science to prepare and share data for business insights. The role requires strong SQL/Python, Spark/PySpark, and Azure cloud experience, plus fluent English and Polish.

Qualifications

• Minimum 4 years of experience in data processing projects with large data volumes.
• Strong knowledge of SQL and Python.
• Experience with Spark / PySpark.
• Practical experience designing/building Data Lake and Data Warehouse solutions.
• Experience building ETL/ELT pipelines and data orchestration/integration tools.
• Commercial experience with cloud-based Azure data processing (Databricks, Azure Data Factory, Synapse, Fabric).
• Knowledge of distributed data processing concepts and optimizing pipelines.
• Fluent English communication; fluent Polish required.

Responsibilities

• Design, build, and maintain scalable data processing platforms in Data Lake/Data Platform architectures.
• Develop ETL/ELT pipelines for data integration and processing in Azure Databricks.
• Model data and prepare structures for analytical and business needs.
• Implement batch and near real-time data processing solutions.
• Monitor, optimize, and evolve existing pipelines and processes.
• Collaborate with data analysts, BI teams, and Data Science on data prep and sharing.
• Gather business requirements and propose optimal tech solutions.
• Create and maintain technical documentation for solutions.
• Mentor junior team members and share best practices.

Skills

SQL

Python

Apache Spark / PySpark

Data modeling

ETL/ELT pipelines

Azure Databricks

Data Lake / Data Warehouse

Data orchestration

English

Polish (fluent)

Tools

Azure Databricks

Azure Data Factory

Synapse

Fabric

Databricks

Job description

Sii Poland is seeking a skilled data engineer to join our Data & Analytics Competence Center. You will design and scale data platforms, build ETL/ELT pipelines in Azure Databricks, and model data for analytics.

You will collaborate with analysts, BI teams, and Data Science to prepare and share data for business insights. The role requires strong SQL/Python, Spark/PySpark, and Azure cloud experience, plus fluent English and Polish.