Junior Software Engineer (Java/Kotlin) - Product Catalog

Allegro sp. z o.o. is a company based in Toruń, Poland, working on a product catalog for a massive real-time marketplace. The team focuses on maintaining product content quality using AI-driven pipelines and collaborates cross-functionally with backend engineers, product managers, data analysts, and quality specialists.

• Proficiency in Kotlin or Java programming languages.
• Ability to seek effective solutions to user requirements.
• Willingness to accept code review feedback and share knowledge.
• Proactive and positive attitude with a collaborative mindset.
• English and Polish language skills at least at B2 level.
• Desire for continuous development and knowledge updating.

• Design, build, and optimize high-availability, high-performance backend systems handling thousands of requests per minute.
• Own microservices end-to-end, from design to deployment, following a "you build it, you run it" philosophy.
• Work with modern technologies including Kotlin, Spring, Kafka, and Kubernetes.
• Collaborate in a cross-functional team with backend engineers, product managers, data analysts, and quality specialists.
• Develop AI-driven pipelines for automatic content quality maintenance and run A/B experiments for catalog data validation.