Senior Cloud Data Engineer - BigQuery, Airflow & Pipelines

Sii Poland; Łódź; On-site; PLN 180,000 - 260,000; Full time

Job summary

Sii Poland is hiring a Data Engineer to design and maintain scalable data pipelines on Google Cloud Platform, using BigQuery as the data warehouse and integrating data from multiple sources. You will work with SQL and Python, orchestrate workflows with Airflow/Cloud Composer, apply IaC with Terraform, and collaborate with analytics, BI, and product teams to ensure data quality and reliability.

Fluent English and Polish are required, and the role is based in Poland.

Qualifications

• Min. 4 years of experience in a Data Engineer role in production.
• Strong knowledge of Google Cloud Platform, BigQuery, and Cloud Storage.
• Ability to design, build, and maintain data pipelines (batch and/or streaming).
• Strong knowledge of SQL and Python for data processing and orchestration.
• Experience with Airflow/Cloud Composer.
• Experience implementing CI/CD for data solutions.
• Familiarity with Terraform and Infrastructure as Code.

Responsibilities

• Design, implement and maintain scalable data pipelines based on Google Cloud Platform.
• Work with BigQuery as the main data warehouse: data modeling, query and cost optimization, ensuring performance and reliability of solutions.
• Integrate data from various sources (files, databases, APIs, events) and process and transform it.
• Orchestrate data workflows using Apache Airflow / Cloud Composer.
• Create and maintain CI/CD solutions for data pipelines and infrastructure.
• Manage cloud infrastructure according to the Infrastructure as Code approach (Terraform).
• Ensure data quality, monitor pipelines, and respond quickly to incidents.
• Collaborate with analytics, BI, and product teams to deliver stable and well-documented data.
• Participate in the development of data architecture and jointly define best practices in data engineering.

Skills

BigQuery

GCP

SQL

Python

Airflow/Cloud Composer

Terraform

Data pipelines

English

Job description

Sii Poland is hiring a Data Engineer to design and maintain scalable data pipelines on Google Cloud Platform, using BigQuery as the data warehouse and integrating data from multiple sources. You will work with SQL and Python, orchestrate workflows with Airflow/Cloud Composer, apply IaC with Terraform, and collaborate with analytics, BI, and product teams to ensure data quality and reliability.

Fluent English and Polish are required, and the role is based in Poland.