GFT Technologies

Senior Data Modeller

GFT Technologies  •  Kraków, PL (Onsite)  •  3 hours ago
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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
GFT Technologies

About GFT Technologies

GFT Technologies is an AI-centric global digital transformation company. We design advanced data and AI transformation solutions, modernize technology architectures and develop next-generation core systems for industry leaders in Banking, Insurance, Manufacturing and Robotics. Partnering closely with our clients, we push boundaries to unlock their full potential. With deep industry expertise, cutting-edge technology, and a strong partner ecosystem, GFT delivers responsible AI-centric solutions that combine engineering excellence, high-performance delivery and cost efficiency. Our team of 12,000+ technology experts operate in 20+ countries worldwide offering career opportunities at the forefront of software innovation.

Let’s Go Beyond_

Legal Disclaimer: https://www.gft.com/int/en/legal-disclaimer

Industry
IT & Software
Company Size
10,000+ employees
Headquarters
Stuttgart, DE
Year Founded
Unknown
Website
gft.com
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