Data Engineering Intern
This role is based in Brussels
️ Internship | 6 months | Start: September 2026
International team | Hybrid working | Learning & career growth
Build what's next with us
efficy Group is the European home for Tribe, Apsis, and efficy CRM. For years, our brands have earned trust across European markets by building systems that are sovereign, compliant, and now AI-native. Today, we're bringing that story together under one roof, as your European partner for AI-powered CRM.
We help organisations navigate the agentic era of customer intelligence — automating smarter decisions, building stronger relationships, and growing sustainably over time. Over 330,000 users across 60+ countries rely on us to grow smarter, move faster, and build lasting business relationships.
Job Overview
We're looking for a Data Engineering Intern to join our Data & Analytics team in Brussels. You'll work on the gold layer of our Medallion Architecture, turning structured data into meaningful KPIs and business-ready insights that teams across the company rely on. By the end of your internship, you'll present your work directly to our C-level team. Your team can't wait to welcome you!
What's in it for you?
️ Real ownership of a data project — presented to C-level at the end
️ Hands-on experience with a modern data stack and Medallion Architecture
️ Work in a genuinely AI-driven environment
️ A team that invests in upskilling and growing from within
️ Modern offices in the heart of Brussels
️ Fun team events & continuous learning culture
️ Internship allowance
️ Hybrid working policy (min. 2 days/week on-site)
What you'll be doing
Focus on the gold layer of the Medallion Architecture: building KPIs and business-ready data outputs
Dig into existing data to identify issues and optimise current datasets
Gather requirements from stakeholders across different departments
Translate business problems into actionable data solutions
Document your work clearly so it's maintainable after you leave
Present your findings and deliverables to the C-level team at the end of the internship
Who you are
Final year Master's in Data Engineering, Computer Science, or equivalent
Available 6 months with a university agreement
Familiar with SQL and at least one data processing framework (Python, Spark, or similar)
Comfortable with data modelling concepts and working with structured datasets
Analytical and able to explain technical work to non-technical stakeholders
Fluent in English — French or Dutch is a plus
Ready to succeed and make an impact with us? Apply today — we can't wait to meet you!
Please submit your application in English.
efficy Group is a people-first employer, committed to providing equal opportunities for all candidates. We take pride in the diversity of our team and welcome you — exactly as you are. This includes your gender identity, sexual orientation, religion, ethnicity, age, or disability status.
efficy Group does not accept unsolicited assistance from search firms for this employment opportunity. Please refrain from making phone calls or sending emails. All résumés submitted by search firms to any efficy Group employee without a valid written search agreement will be considered the sole property of efficy Group. No fees will be paid if a candidate is hired as a result of an unsolicited referral.
