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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 a PaaS ecommerce Scala backend, building the retrieval layer behind product discovery for enterprise commerce brands.

Role type

Senior IC search engineer (ecommerce backend)

Builds

Scalable, multi-tenant search solutions for product discovery

Domain

Ecommerce, Search, Backend Engineering

Deliverable

production ML models | product features

Required skills

Search engine development, Elasticsearch/Solr/OpenSearch, Scala, REST APIs, Event-driven architectures, Kubernetes, Helm, Rust, Vector/Hybrid Search, Learning to rank, Re-ranker

Preferred skills

Query understanding, Vector index optimization, Cost optimization, Production system on-call

Technologies

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

Responsibilities

Design and implement search functionalities, Develop in scalable multi-tenant architecture, Analyze user needs and discuss technical approaches, Test software components for usability/functionality/performance, Participate in on-call rotations for production systems

Seniority

Senior, hands-on IC

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