Data Engineer z GCP (f/m/x)

Sii Poland; Warszawa; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Great Place to Work

Medical care

Centre of internal trainings

Profit sharing

Open and accessible management team

Education and skill development

Job summary

Sii Poland is seeking a Data Engineer to join our Data & Analytics team, focusing on GCP-based pipelines and BigQuery. You will design, build, and maintain scalable data pipelines, collaborating with analytics and BI teams to deliver robust data products.

You will contribute to data architecture and best practices, with room to grow towards Data Engineering, Big Data, or ML track within a dynamic tech environment.

Qualifications

• Min. 4 years of experience as a Data Engineer or similar.
• Strong knowledge of GCP, BigQuery, and Cloud Storage.
• Ability to design, build and maintain data pipelines (batch/streaming).
• Solid SQL and Python skills for data processing and orchestration.
• Experience with Airflow/Cloud Composer and CI/CD for data solutions.
• Familiarity with IaC (Terraform).
• Experience handling large data volumes with performance/reliability focus.
• Fluent English; Polish language proficiency required.

Responsibilities

• Design, implement and maintain scalable data pipelines on GCP.
• Model data in BigQuery, optimize queries and costs for performance.
• Ingest and transform data from various sources (files, databases, APIs, events).
• Orchestrate data workflows with Airflow/Cloud Composer.
• Create and maintain CI/CD for data pipelines and infrastructure.
• Manage cloud infrastructure using Terraform IaC.
• Ensure data quality, monitor pipelines and respond to incidents.
• Collaborate with analytics, BI and product teams on data delivery.
• Contribute to data architecture and best practices.

Skills

Data modeling

SQL

Python

Google Cloud Platform

Airflow

Terraform

CI/CD for data

English communication

Polish language

Tools

BigQuery

Cloud Composer

GitHub Actions

GitLab CI

Cloud Build

Terraform

Job description

Do you want to develop 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, grow towards Data Engineering, Big Data, or Machine Learning, and have a real impact on projects.

Your tasks

• 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

Requirements

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

Nice to have

• Practical experience in processing streaming data (e.g., Dataflow / Apache Beam, Pub/Sub)
• Proficiency in Apache Spark / PySpark when working with large data volumes
• Skills in data transformation and modeling using tools like dbt
• Ability to work with various 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-2AYDA

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 team
• Profit sharing
• Passion Sponsorship program
• Regular integration events and trips
• Comfortable and well-equipped offices
• MySii app
• Medical care