Senior Search Engineer – Elasticsearch/OpenSearch (f/m/d)

As a Senior Search Engineer (f/m/d) , you will play a key role in architecting and operating the core services that power our search and product discovery capabilities. Our search has to solve a unique challenge: mapping customer queries and inquiries regarding their vehicles to millions of spare parts within milliseconds. You will join a cross-functional team dedicated to building a high-performance, automotive-aware search solution. Using Java, OpenSearch, and related technologies on our AWS infrastructure, you will design and optimize a system where speed, relevance, ranking, and precision are the top priorities.

Your responsibility

• Search Architecture: Design and implement scalable, low-latency search services in Java, focusing on OpenSearch/Elasticsearch cluster architecture.
• Relevance Tuning: Own the end-to-end search experience by tuning Query DSL, scoring functions, and analyzers to handle complex vehicle-fitment logic.
• Performance Engineering: Ensure high availability and low latency under high traffic conditions through efficient sharding, indexing strategies, and caching.
• Data Modeling: Collaborate on API and data model designs to support highly structured automotive data, ensuring relevant and personalized search results.
• Full Lifecycle Ownership: From architectural discussions and code reviews to deployment and continuous monitoring (Observability).
• Mentorship: Act as the subject matter expert for Search within the engineering community.
• Search Specialist: 5+ years in software engineering with a deep focus on Search Technologies (OpenSearch, Elasticsearch, Solr, or Lucene). Java Expert: Strong backend foundations in Java and the Spring ecosystem.
• Search Expertise: Solid understanding of search relevance, tokenization, synonym handling, and performance tuning of large-scale distributed systems.
• Cloud Native: Experience with AWS (ideally Amazon OpenSearch Service), Docker, and Kubernetes.
• Mindset: Pragmatic, collaborative, and able to communicate complex technical search concepts clearly (English required, German is a plus).

Bonus Skills

Domain Knowledge:

Experience in E-commerce Search or the automotive domain.

DevOps & Observability:

Skills in Infrastructure-as-Code (Terraform) and monitoring tools like New Relic or OpenTelemetry.

AI augmented Search:

Hands‑on practice integrating LLM methods into search stacks, covering generative query optimization and RAG‑based retrieval enhancement.

If you would like to be part of our motivated IT-Team, apply now for the position with us as Senior Search Engineer - Elasticsearch/Opensearch (f/m/d) , stating your salary expectations and your earliest starting date.