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efficy Logo efficy · IT - Software Development

Data Engineer intern

Belgium, Brussels · Job Posted March 22, 2026
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Job Description

We are seeking a motivated and tech-savvy Data Management or Data Engineering student to join our team as a Data Engineering Intern. This internship offers a unique opportunity to work closely with the Data & Analytics Manager and the Internal Operations team. You will explore our current data lake and contribute to the development of the silver and gold layers of our ETL pipeline. Throughout the internship, you will be involved in both research and hands-on implementation. By the end of your internship, you will have the opportunity to present your work directly to the C-level.

Job Responsibility

  • Gather requirements and use cases from stakeholders across different departments
  • Perform data transformations from the bronze to the silver layer to structure raw data
  • Translate business problems into actionable solutions by designing and developing KPIs in the gold layer, under the supervision of experienced colleagues
  • Participate in discussions related to the development of Efficy’s data architecture

Requirements

  • Currently enrolled in a Data Management or Data Engineering program
  • Available for a 6-month internship, with a requirement to work at the office 2 days per week
  • Experience or strong interest in data management and data engineering
  • Strong research and analytical skills, with the ability to translate business cases into data management solutions
  • Fluent in English
  • Available to start in April

What we offer

  • A stable and growing company with an entrepreneurial mindset, where your ideas are valued, and we support you in making them happen
  • High flexibility—hybrid work is part of our DNA
  • Hands-on experience in data management and data engineering
  • Exposure to real business cases and opportunities to develop your data engineering skills under the supervision of the Data & Analytics Manager
  • The chance to work in an international, innovative environment with direct access to senior leadership
  • A supportive and friendly workplace where you can grow professionally and make an impact
  • International growth opportunities and internal mobility
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