Data Engineer

About Deftpower

Imagine a future where your car not only drives but also contributes to a smarter, more sustainable energy system and even generates income. At Deftpower, we make that future a reality!

With a team of 70 professionals, we are building Europe’s most advanced EV charging platform, connecting nearly one million electric vehicles with charging stations and the power grid for seamless integration.

Innovation and collaboration are at the heart of everything we do whether working with colleagues, customers, or partners. With trust and transparency, we team up with automakers, energy providers, and EV drivers to make charging faster, smarter, and more sustainable.

About the role

At Deftpower, we move fast, if you spot something today, there’s a good chance you’ll steer the business with it tomorrow. As our Data Engineer, you build the pipelines and models that turn data into sharp insights. We’re talking terabytes of data, billions of rows, and sources scattered across platforms. You bring it all together, clean it up, and make it usable. From fraud detection to high-stakes decisions that shape our growth, your work matters from day one. You’ll collaborate with product, operations, engineering and finance to make sure our data isn't just there, but works for us.

You’ll form a strong team with Chris, who holds deep knowledge about how everything is built. Together, you’ll combine your skills and insights to deliver real impact and keep our data infrastructure running smoothly.

• Build and manage ETL/ELT pipelines;

• Work with Azure SQL and other Microsoft Azure tools;

• Combine data from many different internal and external sources;

• Design scalable, reliable data models;

• Support fraud detection and other critical use cases;

• Create dashboards and actionable insights in Power BI;

• Monitor data quality and enable high-impact decision making.

About you

You don’t need to know everything yet, but you do need the mindset. You’re eager to learn, quick to spot what can be better, and not afraid to speak up or make a call. Whether you're just starting out or already experienced, you take ownership and want your work to matter.

• Professional experience in a data engineering or analyst role;

• Confident in SQL, data modelling, and building pipelines in Azure and Python;

• Skilled at turning data into dashboards and reports, especially in Power BI;

• Detail-oriented, structured, and focused on getting things right;

• Comfortable working with different teams and explaining data in plain language;

• Bonus: interest in mobility, energy, or EV charging

Why Deftpower?

This role is tailor-made for problem solvers who thrive on turning complexity into clarity and love seeing the impact of their work every day. At Deftpower, you’ll join a rapidly scaling tech company where innovation isn’t just a buzzword, it’s how we stay ahead in a fast-moving, ever-changing market.

If you enjoy working hands-on in a dynamic environment that pushes boundaries and moves fast, this is your chance to help shape the future of electric mobility.

To strengthen our team spirit, we host quarterly Deftpower Days (D-Day), where our teams from Arnhem and Berlin come together for a great time. But that’s not all, you’ll also get:

1. Competitive salaries ranging between €4500 and €6000.

2. Work on a new product using modern techniques, with modern tools and platforms.

3. Working with fun colleagues in a scrum team on a brand-new product

4. For us to trust in you and in your work

5. Flexibility; determine your working hours yourself, in consultation. Ideally 3 days a week in the office in Arhem.

6. A remarkable HQ located in the heart of the energy transition at Connectr Shared Office in Arnhem.