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Senior AI Search engineer(m/f/x)

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

Core

Design and implement search functionalities for the retrieval layer behind product discovery in a PaaS ecommerce Scala backend, serving demanding commerce brands.

Role type

Senior IC search engineer (AI-driven retrieval)

Builds

Semantic and hybrid retrieval systems for enterprise commerce catalogs

Domain

Ecommerce, Search, AI

Deliverable

production ML models | product features

Required skills

Search engine development, Elasticsearch/Solr/OpenSearch, Scala, API design, scalable multi-tenant architecture, query understanding, vector indexing

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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