Senior AI Search engineer

Commerce Tools
Munich, Berlin, London
Workplace: HybridFull timeFunction: Data Science & Machine LearningExperience: 5+ yearsSkills: ["Creative problem-solving","Technical curiosity","Communication","Teamwork","Usability-focused testing"]

Build the retrieval layer behind product discovery for AI- and API-driven commerce experiences. Design and implement search functionalities in a scalable, multi-tenant PaaS ecommerce backend, working from query understanding through vector indexing and query cost optimization. Collaborate with Product Management and DevOps, evaluate usability/performance, and rotate on-call with a distributed team. Hybrid role with time split across Munich, Berlin, London, and Valencia offices.

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FursaFursa
Commerce Tools
Commerce Tools
1 day ago

Senior AI Search engineer

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 1 hour agoStatus: Live

Job Summary

Build the retrieval layer behind product discovery for AI- and API-driven commerce experiences. Design and implement search functionalities in a scalable, multi-tenant PaaS ecommerce backend, working from query understanding through vector indexing and query cost optimization. Collaborate with Product Management and DevOps, evaluate usability/performance, and rotate on-call with a distributed team. Hybrid role with time split across Munich, Berlin, London, and Valencia offices.
Location: Munich, Berlin, London
Workplace: Hybrid
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Design and implement search functionality for a PaaS ecommerce Scala backend.
  • •Develop scalable, multi-tenant search architecture.
  • •Analyze user needs and propose technical approaches.
  • •Test components for usability, functionality, and performance in close collaboration with Product Management and DevOps.
  • •Participate in worldwide on-call rotations for production systems.

Pay and Benefits

Perks:Health InsuranceLearning BudgetParental LeaveEquity

Key Requirements

  • •5+ years of experience as a Software Engineer working in search.
  • •Build search solutions on engines such as Elasticsearch (preferred), Solr, OpenSearch, or similar.
  • •Fluent English communication skills to work in international teams.
  • •AI aptitude and curiosity for using AI tools effectively, paired with a drive to learn and apply them.
  • •Nice to have: experience optimizing relevance with vector/hybrid search, learning to rank, and re-rankers.
Experience:5+ yearsSearchAIE-commercePaaS
Skills:Creative problem-solvingTechnical curiosityCommunicationTeamworkUsability-focused testing
Languages:English
Tech Stack:ScalaElasticsearchSolrOpenSearchVector searchHybrid searchLearning to rankRe-rankerREST APIsEvent-driven architecturesQueuesNotification topicsShardingReplicationLoad balancingFailoverHelmKubernetesRust

Company Brief

Commerce Tools
Provides a frontend-as-a-service platform for headless commerce, enabling teams to build, deploy, and manage composable storefronts. Integrates with commercetools and other backend services to deliver omnichannel customer experiences.
Industry: SaaS
Company Size: Medium (51 to 250 employees)
Growth: Growth Stage Startup
Headquarters: Berlin, Germany
WebsiteLinkedIn