About us Contorion is Germany's largest online specialist retailer for professional tradesmen and industrial supplies. We offer a diverse assortment that includes well-known third-party famous brands such as Bosch, Makita, and Festool, alongside our own high-quality private label, STIER, designed to meet the specific needs of small and medium-sized businesses. To realize our vision of revolutionizing the market for these companies, we are looking for dynamic and motivated people to join our team. Your Tasks You will support the team in the day-to-day operations of our marketplace business, ensuring that products are correctly listed, data quality is maintained, and operational processes run smoothly. Your responsibilities may include: Marketplace Operations Supporting the daily operations and growth of our marketplace channels (Amazon, eBay, Kaufland, etc.) Monitoring listing errors, catalog issues, and operational alerts Supporting the resolution of product or order-related issues Assisting in the preparation and execution of major sales events (e.g., Prime Day, Black Friday, seasonal campaigns) Working closely with other teams such as Marketing, Pricing and Customer Service to ensure smooth marketplace operations Catalog & Listing Management Creating and updating product listings (titles, attributes, images, bullet points) Ensuring listing quality and completeness across marketplaces Preparing and validating product data for bulk uploads Checking category mappings, attributes, and marketplace requirements Identifying and correcting product data inconsistencies Performance & Analysis Support Assisting with basic analysis of marketplace performance (sales, conversion, margin) Supporting reporting tasks and identifying potential improvement opportunities Helping prepare data for internal analysis and reporting Advertising & Growth Support Supporting marketplace advertising activities (e.g. Amazon Ads) Helping with keyword research and campaign monitoring Your Profile Enrolled student in Business, Economics, Data Analytics, E-Commerce, Marketing, or a related field Strong interest in e-commerce and online marketplaces Structured working style with strong attention to detail Comfortable working with Excel / Google Sheets Analytical mindset and curiosity to understand marketplace performance Basic knowledge of SQL or Google BigQuery (GBQ) is a plus Very good English skills (German is a plus) Your Chance Flexibility: We support you in your schedule. With our hybrid work approach and the option to work part-time, you remain flexible and can work from your home as well. Work-life balance: With 30 days of vacation, the possibility to work remotely from abroad, and sabbaticals, we take care of your relaxation. Mobility: Whether by public transport or by bike, we subsidize your job ticket or job bike. Health & Wellbeing: Stay healthy with us! With OpenUp and Urban Sports you can actively boost your body and mind. Our company events keep the team spirit up. Fruit, drinks and granola "sweeten" your day in the office. Development: With regular feedback and training opportunities, we offer the tools for your personal development plan. Culture: We live transparency, respect, courage, and passion. Our principles are anchored in the teams and create a unique, cooperative working environment. Sounds interesting? Apply now! We look forward to receiving your application. About us Contorion is Germany's largest online specialist retailer for professional tradesmen and industrial supplies. To realize our vision of revolutionizing the offer for small and medium-sized companies, we are looking for dynamic and motivated people who want to become part of our team!