Working Student - Sales Controller

In a nutshell

Rapid business growth comes with complex commercial and financial challenges… We are looking for a sharp, commercially-minded Working Student Sales Controller to join our Trading team! Y

ou’ll assist with checking purchase prices, verifying supplier deals, and spotting margin deviations so everything runs smoothly. But this role is about more than just administrative checks: you’ll dive into our data and processes alongside the team to help identify improvements and boost efficiency.

 Ready to make a real impact and launch your career in commercial finance?

Tricks of the trade

• Sales & Margin Monitoring: Support the team by accurately checking and monitoring purchase prices, quantities, and margins across the assortment to help maintain financial accuracy.
• Deal & Document Administration: Assist in organizing, verifying, and tracking supplier deals, counterpart agreements, and off-invoice discounts so they are correctly reflected in our systems and reporting.
• Commercial Analysis & Reporting: Help gather and prepare financial KPIs and category performance data, supporting the team in spotting weak performance or margin opportunities.
• Process Improvement: Actively think along in financial and commercial projects, diving deep into current workflows to discover more efficient ways of working.
• Compliance & Settlement Support: Provide hands-on support with consumer tax configurations, invoice follow-ups, and gathering documentation for year-end supplier settlements.

Your superpowers

• Education: Currently pursuing the 3rd year of your Bachelor’s or enrolled in a Master’s degree in Finance, Economics, Business Administration (with a Finance specialization), or a related quantitative field (HBO/WO).
• Availability: Available to work 2 to 3 days per week for a period of 4-6 months.
• Analytical Mindset: Strong analytical skills with a structured approach, keen eye for detail, and high precision ('Pietje Precies') when handling complex data sets.
• Technical & Data Skills: Advanced proficiency in Excel or Google Sheets; familiarity with data visualization/querying tools (e.g., SQL, PowerBI, Tableau) or ERP systems is a strong plus.
• Communication & Drive: Proactive, hands-on, and curious mindset. Fluent in English and Dutch with the ability to communicate finance insights clearly to commercial stakeholders.

Perks

🚀 Every expert was once a beginner!

You’ll get plenty of opportunities to challenge yourself and grow, including access to the Tech Academy, Lunch & Learn sessions, and tailored soft skills training.

🌍 Make a real impact

Work in a fast-paced environment where your work directly influences commercial strategy and financial health. Plus, contribute to a sustainable business model with fully electric vehicles!

🤝 Teamwork makes the dream work

Join a diverse team of over 80 nationalities across 3 countries. Enjoy vibrant company culture, from board game nights and drinks to team sports and joint trips!

🥗 Fresh lunch, coffee & snacks

Enjoy on-site barista coffee, daily fresh lunches prepared by in-house chefs, and healthy snacks to keep your energy high.

💪 Stay healthy

Mental and physical health matter. Benefit from confidential advisors, easy access to professional psychologists via OpenUp, and various sports groups ranging from yoga and tennis to climbing.

💰 Attractive package

Earn a competitive gross wage of €16.75 per hour (all-in), including a laptop to support your work. Travel expenses are reimbursed depending on your location.