Working Student - Backend Development Product Creation & Assignment (m|w|d)

• Supporting the development and improvement of backend services and data workflows for automated catalogue expansion.
• Working on product data quality — helping improve matching logic, data completeness and pipeline reliability.
• Exploring how ML models and GenAI components (such as LLM-based matchers) can be integrated into production systems.
• Contributing to tooling, observability and automation that makes the team more effective.
• Participating in code reviews, pairing sessions and team rituals — learning how a production-grade engineering team operates.

Skills & Requirements

• Currently enrolled in a Master's programme in Computer Science, Data Science, Software Engineering or a related field — ideally in your first year.
• Solid programming foundation, ideally in Java, Kotlin or Python.
• Some experience with backend development, data pipelines or cloud services — through coursework, personal projects or a prior internship.
• Curiosity about data-intensive systems, ML integration or AI-assisted development.
• Good communication skills and comfortable working in English and German.

At idealo you can expect

• You want to further your education? We take your personal development goals seriously and, in addition to our idealo Learning Hub, eLearning offerings (e.g., Udemy), coaching & mediation, we also offer you the opportunity to benefit individually from additional learning and development budget.
• And what about the office? Our office in the heart of Berlin offers free organic breakfast, excellent free lunch (vegan and vegetarian), as well as free coffee, lemonades and after-work beer, in addition to the "standard foosball". It also has a fabulous rooftop terrace with view of the whole of berlin where you can network with colleagues from our group of companies.
• In need of additional support in any areas of your life? We offer free counseling and support in all areas of life (professional, private, family, health, etc.) in cooperation with the pme-Familienservice .
• You want full flexibility on your way to work and beyond? No problem with a job bike or Deutschlandticket - and it's environmentally friendly, too!
• Want to keep yourself fit? We offer many different fitness and sports options, such as an Urban Sports or Gympass membership, to suit your personal needs.
• And what else is there? Of course, success must be celebrated! In addition to team events, you can also expect big company events and other moments of organized connection with others in the company and your team throughout the year!

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Quelle: Statistisches Bundesamt (Destatis), Tabelle; dl-de/by-2-0; eigene Berechnung