Data Engineering Intern

Data Engineering Intern

This internship is based in Brussels, Belgium

✦ 6 months | Learning & career growth | Hybrid working

Build what's next with us

efficy Group is the European home for Tribe CRM, efficy CRM, and Apsis. 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. 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
✓ AI exposure: your own Claude licence, weekly training, and shared best practices
✓ European exposure: colleagues across multiple markets
✓ Internship allowance
✓ Team events & people experience program

What you'll be doing

• Gold layer: build KPIs and business-ready data outputs on our Medallion Architecture

• Data quality: dig into existing datasets to spot issues and optimise what's there

• Requirements: gather needs from stakeholders across different departments

• Translation: turn business problems into actionable data solutions

• Documentation: document your work so it stays maintainable after you leave

• Final presentation: present your findings and deliverables to the C-level team

Who you are

• Final year Master's in Data Engineering, Computer Science, or equivalent

• Available 6 months with a university internship agreement

• Skills: comfortable with SQL and at least one data processing framework (Python, Spark, or similar)

• Data modelling: at ease with modelling concepts and structured datasets

• Communication: analytical, and able to explain technical work to non-technical stakeholders

• Full professional fluency in English

• French or Dutch is a plus

• Hybrid policy: you can come to the Brussels office two days a week

✦ 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.