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Mid Data Engineer with Python

Mid Data Engineer with Python

Custom Field 1:  Data
Custom Field 3:  Data
Country/Region:  PL
Date:  Oct 16, 2025
Location: 

Poznań, WP, PL, 61-569 Łódź, PL, 90-118 Warszawa, PL, 00-839 Kraków, PL, 30-302

Working place:  Hybrid

Your tasks

 

  • Your responsibilities will include performance tuning and optimization of existing solutions, building and maintaining ETL pipelines, as well as testing and documenting current data flows
  • You will also be involved in implementing tools and processes to support data-related projects and promoting the best development standards across the team
  • Design, build, test and deploy Cloud and on-premise data models and transformations in Cloud Native or dedicated toolset
  • Optimize data views for specific visualization use cases making use of schema design partitions, indexes, down-sampling, archiving, etc. to manage trade-offs such as performance and flexibility
  • Review and refine, interpret and implement business and technical requirements
  • Ensure you are part of the on-going productivity and priorities by refining User Stories, Epics and Backlogs in Jira
  • Onboarding new data sources, design, build, test and deploy Cloud data ingest, pipelines, warehouse and data models/products

 

Your skills

 

  • Openness to work in a hybrid model (2 days from the office per week)
  • At least 2 years of commercial experience as a Data Engineer
  • Strong SQL and Python and Spark/PySpark
  • Good understanding of Data Warehousing concepts
  • Experience with Data Modelling
  • Understanding of key concepts around Data Warehousing, Data Lakes and Data Lakehouses
  • Experience with Cloud Data engineering toolset

 

Nice to have

 

  • Snowflake
  • DataBricks

 

 

We offer you

 

  • Contract of employment
  • Hybrid work in one of our locations: Lodz, Poznan, Krakow, Warszawa, Wroclaw (2 office days per week)
  • Working in a highly experienced and dedicated team
  • Benefit package that can be tailored to your personal needs (private medical coverage, sport & recreation package, lunch subsidy, life insurance, etc.)
  • On-line training and certifications fit for career path
  • Access to e-learning platform
  • Mindgram - a holistic mental health and wellbeing platform
  • Work From Anywhere (WFA) - the temporary option to work remotely outside of Poland for up to 140 days per year (including Italy, Spain, the UK, Germany, Portugal, and Bulgaria)
  • Social events

We are GFT Poland. WE KNOW how to tackle complex issues with innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun and develop as human beings. 

Why Choose GFT?

  • A culture of top performance
  • Deep tech IT engineering & consulting 
  • 1200 skilled & top-class experts 
  • 77% of the team are regular/senior 
  • Products that contribute to a sustainable world
  • Competitive salary and benefits 
  • Ambitious projects, trainings and tools you need to flourish
  • Google Cloud Partner of the Year - for going above and beyond for customers

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