Senior Search Engineer | Senior Search Engineer (all genders) - Elasticsearch

Kaufland e-commerce Services GmbH & Co. KG

Köln, Nordrhein-Westfalen, Deutschland
Published Mar 20, 2026
Full-time
Permanent

Job Summary

As a Senior Search Engineer, you will be a key contributor to Kaufland's international e-commerce platform, focusing on elevating the search experience for millions of customers. Your daily responsibilities include optimizing search relevance through faster queries, refining data ingestion architectures, and managing Elasticsearch mappings. You will work within a sophisticated microservices environment using Kubernetes and Node.js, ensuring system resiliency and high performance. The role involves a mix of data modeling, performance monitoring, and implementing advanced features like semantic search and machine learning. This position is ideal for a technical expert who enjoys mentoring others and making data-driven decisions through A/B testing. Kaufland offers a highly flexible work environment with the choice of full remote work within Germany or office-based work in several major cities, combined with the stability of a large corporation and the agility of a start-up culture.

Required Skills

Education

Not specified

Experience

  • 7+ years of professional experience as a Search Engineer
  • Extensive experience with distributed search engines and Elasticsearch clusters
  • Proven track record in running, monitoring, debugging, and operating search applications
  • Experience in writing well-tested and reviewed code
  • Experience in mentoring other engineers and sharing technical knowledge
  • Professional experience in microservices environments

Languages

English (Fluent)

Additional

  • Must be located in Germany for remote work or able to work from offices in Cologne, Dusseldorf, Darmstadt, or Berlin. Relocation package available for those moving to Germany.