Contract type: B2B contract
Salary range: 155-208 PLN/h

What will you do?

You will join a modern data platform initiative focused on building scalable data solutions in Google Cloud Platform. The project involves designing and developing robust data pipelines, data models, and cloud-based data solutions that support business-critical analytics and decision-making. As an Expert Data Engineer, you will contribute deep technical expertise, solve complex data challenges, and help ensure the platform is reliable, scalable, and maintainable.

Your tasks

• Design, develop, and maintain scalable data pipelines and ETL/ELT processes
• Build and manage Apache Airflow DAGs for workflow orchestration
• Develop data processing logic using Python and frameworks such as DBT or Spark
• Work with BigQuery and Cloud SQL to store, process, and transform large datasets
• Design and implement efficient data models and integration solutions
• Ensure data quality, integrity, reliability, and performance across the platform
• Analyze and resolve complex data engineering challenges
• Collaborate with business stakeholders to translate requirements into scalable data solutions
• Maintain technical documentation and contribute to platform improvements
• Support deployment, monitoring, and optimization of data solutions in GCP environments
• Participate in code reviews and promote engineering best practices

Requirements

• 5+ years of experience in Data Engineering or a related field
• Expert-level Python programming skills
• Strong hands-on experience with Google Cloud Platform, including BigQuery, Cloud Storage, Compute Engine, or GKE
• Extensive experience with ETL/ELT and data integration pipelines
• Strong expertise in Apache Airflow for workflow orchestration
• Hands-on experience with Spark
• Strong understanding of data architecture and data modeling concepts
• Experience working with large and complex datasets
• Strong knowledge of relational databases
• Experience with NoSQL databases
• Good understanding of data quality and data governance principles
• Strong analytical and problem-solving skills
• Ability to work independently on complex technical challenges
• Openness to work hybrid from our client's office (Kraków) 4 days a month

Nice to have skills

• Apache Beam