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Senior AI Search engineer

Berlin, Germany (Hybrid)💼 Full-time🗓 2026-09-23 → 2026-09-25

Core

Design and implement search functionalities for the retrieval layer behind product discovery for enterprise commerce brands, handling queries from both users and AI agents.

Role type

Senior IC search engineer (backend)

Builds

Scalable, multi-tenant search solutions and PaaS ecommerce backend

Domain

Ecommerce, Search, AI-driven discovery

Deliverable

production ML models | product features

Required skills

Search engine development, Elasticsearch/Solr/OpenSearch, Scala, Backend architecture, Query understanding, Vector/Hybrid search concepts

Preferred skills

Vector and Hybrid Search, Learning to rank, Re-ranker, REST APIs, Event-driven architectures, Kubernetes, Rust

Technologies

Scala, Elasticsearch, Solr, OpenSearch, Kubernetes, Helm, Rust, REST APIs

Responsibilities

Design and implement search functionalities in a PaaS ecommerce Scala backend, Develop in a scalable and multi-tenant architecture, Analyze user needs and discuss technical approaches, Test software components regarding usability, functionality, and performance, Take part in on-call rotations for production systems

Seniority

Senior, hands-on IC

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