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Data Engineer



Job Family


At GfK, we are on a mission to drive sustainable growth for our people, our clients, and the world around us. We combine prescriptive insights and consulting expertise to analyze, explain and predict what is happening in today’s fast-changing world.

Our employees, the shapers of tomorrow, are empowered to bring new bold ideas to life by connecting unique datasets, science, and digital research. We encourage innovation and offer global career and fast development opportunities. This is why the world’s largest companies and leading brands know GfK as their trusted partner.

Job Description

Mission of the role

It's an exciting time to be a builder. Constant advances in technology are creating an exciting new world for those who understand the value of data. As a data engineer, you'll be handling the design and construction of scalable data management systems, ensure that all systems meet client requirements. You will be an integral part of a cross-functional team and work alongside data scientists and SREs.  Within our team of teams in Media Measurement, you will also be part of a larger community of Data Engineers. 

You will: 

  • Develop, test and deploy big data applications.

  • Ensure that all development work in data pipelines follow best practices for ensuring validity, efficiency and maintainability.

  • Collaborate in a distributed, cross-functional agile team to reached shared goals.

  • Take ownership of technical implementations and architecture together with your team and in alignment with communities of practices.

  • Communicate with data producers to align on data exchange formats and interfaces.

  • Communicate with data consumers and other stakeholders in order to help them fulfill their needs to drive the business.

  • Provide suggestions to business in the Media Measurement context on how existing and new data sources can be utilized to enhance our existing product portfolio.

  • Recommend different ways to constantly improve data reliability and quality.

You have:

  • A Bachelor's degree in computer science, software/computer engineering, or applied mathematics.

  • Curiosity about finding new and unusual ways of how to solve data management issues.

  • Experience with at least one cloud provider (GC, AWS, Azure).

  • Solid hands-on experience with Python.

  • Experience with Java or Scala.

  • Knowledge in how to develop data-intensive applications using Spark.

  • Knowledge in writing SQL queries to wrangle data from relational databases.

  • Knowledge in how to orchestrate data pipelines with Airflow or any other similar data scheduling and orchestration tool.

  • Experience with CI/CD and ideally also with IaC using Terraform.

  • You are following best practices in software engineering, like pair programming, testing, clean code and agile software development frameworks.


  • Exciting work environment that brings people together

  • Use of the latest digital technologies

  • Initial and ongoing trainings to support your development

  • Opportunities for personal and professional growth

  • Competitive remuneration and bonus scheme linked to individual performance and company results

  • Flexible working hours and home office

  • 3 additional non-working days annually

  • Food vouchers

  • Health insurance

  • Discount program with external vendors

  • Eco friendly travelers are welcome to the office – parking places for bikers and free card for public transportation are available to all employees

  • Last but not least – GfK Sofia office is located close to the city center and easily accessible from any point by public transportation – 47A Tsarisgradsko Shose Blvd

All documents will be treated in the strictest confidentiality.
Only short-listed candidates will be invited for an interview.

Don't meet every single requirement? Some people are less likely to apply unless they meet all the requirements listed in a job specification. GfK is looking for self-starters to join our innovative team keen to take on a new challenge. So, if you're excited about this role but your skills and experience don't align perfectly with every requirement we've listed, we still encourage you to apply. You may be just the right candidate for this or other roles.

We are an ethical and honest company that is wholly committed to its clients and employees. We are proud to be an inclusive workplace for all and are committed to equal opportunity in employment which focuses on all of our employees reaching their full potential. We are looking forward to meeting you!

Posted: 5 days ago

City: Sofia

Work Area: Technology

Job Time: Full Time

Requisition ID: R00017852