Senior Data Modeller

Jobs.gft.com

Apply to this job
Kraków, PL, 30-302 Until 10/5/2026 3+ years exp First posted July 10, 2026 Last posted August 6, 2026
Job description

Type of contract: B2B contract

Salary range: 155 - 205 PLN/H

 

What will you do?

 

You will join a data-focused team responsible for building and developing modern data platforms on Google Cloud Platform. The role combines hands-on development of data transformation pipelines, data modeling, optimization of BigQuery solutions, and collaboration with stakeholders to deliver scalable, reliable, and cost-efficient data products.

 

Your tasks

 

  • Design and develop SQL-based data transformation pipelines in BigQuery
  • Optimize query performance, cost efficiency and data processing workloads
  • Build, test and maintain ELT/ETL pipelines using Data Fusion or similar tools
  • Implement and maintain data models supporting business reporting and analytics
  • Collaborate with cross-functional teams in an Agile environment
  • Manage source code and development workflows using Git
  • Support data quality, data integrity and DataOps best practices
  • Participate in technical discussions, problem solving and continuous improvement activities

 

Your skills

 

  • 3+ years of hands-on experience with SQL querying and BigQuery optimization
  • Experience building and implementing ELT/ETL data pipelines
  • Knowledge of data modeling and data warehouse concepts
  • Understanding of data architectures such as Kimball, Inmon or Data Vault
  • Experience with Star, Snowflake, Medallion or Data Vault schemas
  • Proficiency with Git version control
  • Experience working in a DataOps environment
  • Experience working in Agile teams using Jira and Confluence
  • Willingness to travel regularly to Krakow (4–6 days per month)

 

Nice to have

 

  • Data Vault modeling experience
  • Experience with GCP Data Fusion, CDAP or similar data integration tools
  • Experience designing data ingestion pipelines from APIs, SFTP and structured data sources
  • Knowledge of data contract best practices
  • Java development, testing and deployment skills
  • Experience building custom plugins for Data Fusion
  • Knowledge of CI/CD and continuous testing for cloud data solutions
About this role

Summary

Develop data pipelines, optimize data models, support data platforms on Google Cloud.

Job title

Senior Data Modeller

Experience level

3+ years

Minimum experience

3+ years exp

Industry

software

Location requirements

Kraków, PL, remote not mentioned, travel required

Salary

$0k–$0k

Management role

No

Skills & keywords

Required skills

SQL queryingBigQuery optimizationETL pipelinesdata modelingGitDataOpsAgile

Preferred skills

Data Vault modelingGCP Data FusionAPI data ingestionJavaCI/CD

Specializations

SQLBigQueryETLdata modelingData Vault
Locations

Structured locations inferred from the posting.

Kraków, Poland

On-site City
Related searches