Backend Engineer (Java/Kotlin) for AI-Driven Microservices

Allegro.eu S.A. is seeking a Software Engineer 2 (Java/Kotlin) to join the Merchant Experience team in Poznań. You will build robust backend systems for Allegro Merchant AI Assistant, delivering real-time, data-driven support under high user traffic with microservices architecture.

You will work with Spring Boot, Kafka, and AI/ML techniques, including prompt engineering and LLM evaluation. A hybrid work model and English communication at B2 level are expected.