Your responsibilities, Designing and developing scalable data pipelines for batch and real-time data processing, Building and optimizing Data Lake architecture for analytical use cases, Integrating multiple data sources and ensuring seamless data flow across systems, Ensuring data quality, consistency, and governance (data lineage, access control), Optimizing storage and processing performance using modern data formats and partitioning strategies, Monitoring, troubleshooting, and improving data pipeline performance, Collaborating with stakeholders to translate business needs into technical solutions, Following best practices in data engineering and continuously improving the platform

Strong experience in Data Engineering or Big Data-related roles, Proficiency in Python, Scala, or Java, Hands-on experience with tools such as Apache Spark, PySpark, or similar frameworks, Previous work with Data Lake technologies (e.g., AWS S3, Azure Data Lake, Databricks, BigQuery), Knowledge of ETL/ELT processes and orchestration tools (e.g., Airflow, Data Factory), Good understanding of SQL and data modeling, Experience with distributed systems and large-scale data processing, Familiarity with Docker and Kubernetes, Strong analytical and problem-solving skills, Fluent in Polish required, Residing in Poland required

Optional, Experience with streaming technologies (e.g., Kafka), Knowledge of data governance tools, Familiarity with CI/CD processes in data projects

This is how we work on a project, Continuous Deployment, Continuous Integration

What we offer, Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas, Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market, We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022, Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more, Comfortable workplace – class A offices or remote work, Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application, PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers, Investment in your growth – meetups, webinars, training platform and technology blog – you choose, Fantastic atmosphere created by all Sii Power People

Recruitment stages, Send your CV, Talk to us about your expectations, Learn more about our projects and choose the best, Start your adventure with Sii!

Sii Sp. z o.o., Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment., , Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work,

About the project

You will join an international project within the healthcare and life sciences industry, focused on building and evolving a modern Data Lake platform supporting large-scale data processing and analytics. The solution enables data-driven decision-making in a highly regulated environment, with a strong emphasis on data quality, security, and compliance. The environment is cloud-based and leverages modern big data technologies and best engineering practices.

As a Data Engineer, you will be responsible for designing, developing, and maintaining data pipelines and Data Lake architecture. You will work closely with cross-functional teams, including data scientists and business stakeholders, to deliver reliable and efficient data solutions.

This is how we work on a project, Continuous Deployment, Continuous Integration

About the project

You will join an international project within the healthcare and life sciences industry, focused on building and evolving a modern Data Lake platform supporting large-scale data processing and analytics. The solution enables data-driven decision-making in a highly regulated environment, with a strong emphasis on data quality, security, and compliance. The environment is cloud-based and leverages modern big data technologies and best engineering practices.

As a Data Engineer, you will be responsible for designing, developing, and maintaining data pipelines and Data Lake architecture. You will work closely with cross-functional teams, including data scientists and business stakeholders, to deliver reliable and efficient data solutions.

Your responsibilities

• Designing and developing scalable data pipelines for batch and real-time data processing
• Building and optimizing Data Lake architecture for analytical use cases
• Integrating multiple data sources and ensuring seamless data flow across systems
• Ensuring data quality, consistency, and governance (data lineage, access control)
• Optimizing storage and processing performance using modern data formats and partitioning strategies
• Monitoring, troubleshooting, and improving data pipeline performance
• Collaborating with stakeholders to translate business needs into technical solutions
• Following best practices in data engineering and continuously improving the platform

Recruitment stages

• Send your CV
• Talk to us about your expectations
• Learn more about our projects and choose the best
• Start your adventure with Sii!

Recruitment stages, Send your CV, Talk to us about your expectations, Learn more about our projects and choose the best, Start your adventure with Sii!

Sii Sp. z o.o., Sii is the leading technology consulting, digital transformation, engineering, and business services vendor in Poland. We already employ more than 7 300 professionals and implement projects in a variety of industries for clients from many countries around the world. The Great Place to Work title, won 10 times in a row, proves that at Sii, we create a friendly work environment., , Sii ensures that all employment-related decisions are made solely on the basis of qualifications and competencies. We are committed to equal treatment of all individuals, regardless of any protected characteristics, and promoting a diverse and inclusive work environment.

This is how we work,

About the project

You will join an international project within the healthcare and life sciences industry, focused on building and evolving a modern Data Lake platform supporting large-scale data processing and analytics. The solution enables data-driven decision-making in a highly regulated environment, with a strong emphasis on data quality, security, and compliance. The environment is cloud-based and leverages modern big data technologies and best engineering practices.

As a Data Engineer, you will be responsible for designing, developing, and maintaining data pipelines and Data Lake architecture. You will work closely with cross-functional teams, including data scientists and business stakeholders, to deliver reliable and efficient data solutions.