Data Engineer z GCP (f/m/x)

Sii Poland; Kraków; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Great Place to Work

Centre of internal trainings

Profit sharing

Medical care

Job summary

Sii Poland is seeking a skilled Data Engineer to join our Data & Analytics team in Kraków. You will design and maintain data pipelines on Google Cloud Platform and work with BigQuery and Cloud Storage.

You will implement Airflow/Cloud Composer workflows, apply Terraform for IaC, and contribute to CI/CD for data solutions. Fluent English and Polish are required; 4+ years in production data engineering are preferred.

Qualifications

• Min. 4 years of experience as a Data Engineer or in a similar role
• Strong knowledge of Google Cloud Platform, especially BigQuery and Cloud Storage
• Ability to design, build, and maintain data pipelines (batch and/or streaming)
• Strong SQL and Python skills for data processing and orchestration
• Experience with workflow orchestration (Airflow / Cloud Composer)
• Hands-on experience implementing CI/CD for data solutions (GitHub Actions, GitLab CI, Cloud Build)
• Familiarity with Infrastructure as Code (Terraform)
• Experience handling large data volumes with focus on performance and reliability
• Fluent English; Polish language proficiency required in Poland

Responsibilities

• Designing, implementing, and maintaining scalable data pipelines on GCP
• Working with BigQuery for data modeling and performance optimization
• Integrating data from multiple sources and transforming it
• Orchestrating data workflows using Airflow/Cloud Composer
• Creating and maintaining CI/CD for data pipelines and infrastructure
• Managing cloud infrastructure with Terraform
• Ensuring data quality and pipeline monitoring
• Collaborating with analytics, BI, and product teams
• Contributing to data architecture and best practices

Skills

SQL

Python

BigQuery

GCP

Airflow

Terraform

CI/CD

Data modeling

Tools

GitHub Actions

GitLab CI

Cloud Build

Job description

Do you want to grow your skills in cloud technologies and work with real data? Join our Data & Analytics team, where we build and develop solutions based on GCP. Work with experts, develop towards Data Engineering, Big Data, or Machine Learning, and have a real impact on projects.

Your tasks

• Designing, implementing, and maintaining scalable data pipelines based on Google Cloud Platform
• Working with BigQuery as the main data warehouse: data modeling, query and cost optimization, ensuring performance and reliability of solutions
• Integrating data from various sources (files, databases, APIs, events) and processing and transforming it
• Orchestrating data workflows using Apache Airflow / Cloud Composer
• Creating and maintaining CI/CD solutions for data pipelines and infrastructure
• Managing cloud infrastructure following Infrastructure as Code principles (Terraform)
• Ensuring data quality, pipeline monitoring, and rapid incident response
• Collaborating with analytics, BI, and product teams to deliver stable and well-documented data
• Participating in data architecture development and jointly defining good data engineering practices

Requirements

• Min. 4 years of experience as a Data Engineer or in a similar role working with data in a production environment
• Strong knowledge of Google Cloud Platform, especially BigQuery (data modeling, query optimization) and Cloud Storage
• Ability to design, build, and maintain data pipelines (batch and/or streaming)
• Strong SQL and Python skills for data processing and orchestration
• Experience with workflow orchestration (Apache Airflow / Cloud Composer)
• Hands-on experience implementing CI/CD for data solutions, e.g., GitHub Actions, GitLab CI, Cloud Build
• Familiarity with Infrastructure as Code approach, particularly Terraform
• Previous work with large data volumes, focusing on performance and reliability of solutions
• Fluent communication in English
• Required to be located in Poland and fluent in Polish

Nice to have

• Practical experience with streaming data processing (e.g., Dataflow / Apache Beam, Pub/Sub)
• Proficiency in Apache Spark / PySpark working with large data volumes
• Skills in data transformation and modeling using tools like dbt
• Ability to work with diverse data platforms (e.g., Databricks, Snowflake, MS Fabric)
• Familiarity with tools and best practices in Data Governance, Data Lineage, and Data Quality

Job no. JOB-FNDWA

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 Work
• Solid financial situation
• Contracts with the biggest brands
• Centre of internal trainings
• Many experts you can learn from
• Open and accessible management teamProfit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care