Working Student – Advertiser Quality Testing Engineer

When travelers are searching for a hotel, we want the obvious choice to be trivago! Our leading metasearch engine is super fast and constantly optimized – enabling millions of travelers to compare hotel prices from hundreds of booking sites and find great deals in just a few clicks. We use cutting-edge technology, real-time auction, and machine learning techniques with petabytes of data to create an experience – time and money saved! In the lively city of Düsseldorf, we seize opportunities to learn everyday, innovate, and make an enduring mark on the travel industry. At trivago you will find those who aren’t afraid of change but rather embrace it, turning every challenge into a pathway for growth. Join trivago, work with a great team, and grow with us! Join us in making a difference trivago is a data-driven company. The quality of the user experience on our website depends, among other factors, on the accuracy of the data that is displayed on it. To keep a high level of accuracy, the Advertiser Quality team builds systems that extract, parse, and store information about the rates offered by different advertisers. While our systems already extract and monitor large amounts of data, there are still improvements to be made and new sources of data to be integrated. Join us, let’s enhance user experience together. Apply today! How you’ll make an impact : Set up and maintain a test suite to ensure proper price accuracy on trivago’s platform Utilize scripting and querying techniques to simplify data analysis and improve processes Communicate effectively with internal teams and external partners to follow up on findings during testing Conduct daily checks of core metrics to maintain a high standard of data reliability Support developers by taking on simple programming tasks that contribute to ongoing projects What you’ll learn: How a data-driven company operates internally and how critical decisions are made How to use advanced data extraction and analysis systems How to collaborate with experienced developers, DevOps engineers, and data scientists in a dynamic international environment What you’ll need to thrive: Be a student currently pursuing a degree in computer science or a related field Basic knowledge of one programming language (prior experience isn’t required) Familiarity with SQL and a basic understanding of databases Solid analytical skills to make data-driven decisions A collaborative mindset to work effectively in cross-functional teams The ability to work at least 15 hours per week in a flexible schedule Stand out with: Familiarity with web technologies and basic knowledge of Python Worried about missing a few requirements? Still apply, and express your motivation as you may just be the right candidate for this or other roles! What you can look forward to: As you grow, so do we. This is why at trivago, we prioritize your development, offer personalized coaching through Nilo, and free German language classes. You’ll have access to workshops, educational meetups, conferences, free online learning courses, and a fully-equipped campus library. We also organize regular team and company-wide events so you can build experiences with us. Life happens. We offer paid vacation days during your employment, flexible working hours, 1 WFH day weekly, and the chance to work remotely for selected days abroad. Enjoy your office days. Use your daily canteen budget to share lunch with colleagues in our canteen, help yourself to complimentary snacks and drinks in our kitchens, stay healthy with our on-site gym and sports classes, and enjoy the comfort of ergonomic desks and focused work areas. Thank you for considering a career at trivago! Our commitment to fostering an inclusive and enriching environment for all talents is at the heart of what we do. We understand that embarking on a new job opportunity is a blend of excitement and curiosity. Should any questions arise before you apply, feel free to reach out to us at joinus@trivago.com . Join us in our mission to make a positive impact on global travel, w e look forward to your application!