Senior Java Engineer - (Search) (f/m/d)

kfzteile24 is Germany's leading digital company for car parts and automotive equipment. As a Berlin-based multichannel company, we own successful online shops like kfzteile24.de, autoteile24.de, and carpardoo in multiple European countries. We are Germany's best-known brand in the online aftermarket. With expert advice, a wide range of products and fast, reliable deliveries, we ensure individual mobility for our customers.

As a Senior Java Engineer (Search) (f/m/d), you will join our cross-functional team responsible for the search engine that powers our e-commerce platform. You will help build and continuously improve a high-performance, highly available, and automotive-aware search solution that enables our customers to find exactly the right part for their vehicle. You will work closely with developers, product owners, QA and DevOps to design, implement, and optimize our search services based on Java, OpenSearch, Elasticsearch and AWS technologies.

What we offer

Permanent employment contract and 30 days vacation

Possibility of home office 3 days a week

Internal and external training opportunities

Up to 50% employee discount in our branches and workshops

Various health and sport offers (e.g. Bike-Leasing, Gesund Pass, VDU glasses)

Additional benefits such as language courses via Babbel, company pension plan, corporate benefits

Your responsibility

Design and implement scalable search functionalities and services in Java

Own end-to-end the lifecycle of search features: from design to deployment

Ensure high availability and low latency under high traffic conditions

Tune and extend OpenSearch and Elasticsearch capabilities for our specific use case (e.g., vehicle-fitment search, attribute-based filtering, as well as sorting)

Collaborate on API and data model design to support efficient, relevant and personalized search results

Actively contribute to architectural discussions and code reviews

Continuously monitor, benchmark and improve the search performance

Ensure testability, observability and maintainability of the search systems

Share knowledge within the team and mentor other engineers where needed

Job requirements

5+ years experience in software engineering, with a strong backend focus

Excellent knowledge of Java and the JVM ecosystem

Solid experience with search technologies such as OpenSearch or Elasticsearch

Strong understanding of search relevance, indexing, querying, and performance tuning

Hands-on experience with AWS and cloud-native development (e.g., ECS, S3, CloudWatch)

Familiarity with microservice architectures and RESTful API design

Experience with large-scale distributed systems and high-load environments

Pragmatic mindset and passion for building robust, scalable solutions

Strong communication skills and a collaborative team spirit

Fluent in English and basic German skills are required

Bonus Skills

Experience in the automotive domain or similar structured product spaces

Knowledge of vehicle-specific product data modeling and fitment logic

Exposure to observability tools (e.g., New Relic, OpenTelemetry)

Familiarity with CI/CD pipelines and Infrastructure as Code (e.g., Terraform)

Apply now!

If you would like to be part of our motivated IT-Team, apply now for the position with us as Senior Java Engineer (Search) (f/m/d) , stating your salary expectations and your earliest starting date. If you have any questions, please contact Irina Ring at .

Please note that we only consider applications via our online portal. Applications by post or e-mail will not be considered and disposed of or deleted.

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