Senior Knowledge Graph
Application Engineer (f/m/d)

Vienna or Innsbruck, full time, Gross Salary: min. 44.660€ p.a.

Onlim is a leading platform provider for the automation of customer communication in the German-speaking area with strong global expansion dynamics. With our Knowledge Graph-based conversational AI platform, we make data, content and knowledge of our customers available in natural language and accessible via various channels such as chatbots, telephone bots, Alexa, Google Assistant or API. The Onlim platform is available as a low-code SaaS solution, is highly scalable and can be flexibly expanded via a simple connection to customer systems.

We are looking for an experienced knowledge graph system engineer to help design and build a flexible, highly scalable and automated Knowledge Graph management platform to power a variety of innovative applications (primarily our conversational A.I.).

Your role includes building highly generalized and schema driven pipelines, processes and tools that support the whole lifecycle of a knowledge management system from creation, curation to deployments.

What you’ll do:

  • Design, support and build reliable, flexible and scalable Knowledge Graph interfaces and applications
  • Contribute to road-map features
  • Ensure high code quality, testing and the timely delivery of the results
  • Optimisation of the platform towards a no-code setup

What you’ll need:


  • Degree in Computer Science or related fields

  • Minimum 5 years of experience in programming and designing flexible and high-performant data systems
  • Strong experience with Java, Spring Framework and Spring Boot
  • Proficient with DevOps, modern build strategies, continuous integration, unit testing and automated integration tests
  • Experience with Knowledge Graph technologies, including W3C standards (RDF, SPARQL, SHACL), Graph databases, Ontologies and query interfaces
  • Experience in writing technical documentation
  • Experience with Git
  • Proficient in performing technical code reviews
  • Strong understanding of distributed and multithreaded systems as well as key performance metrics of scalable applications.
  • Project and team leadership
  • The ability to communicate effectively and manage multiple conflicting priorities simultaneously

Nice to have

  • Experience with other database systems (relational, document stores) & search engine frameworks (e.g. ElasticSearch, Lucene).
  • Experience with database internals, transactions, query processing and optimization is a huge plus.
  • Experience with Apache Kafka
  • Experience with federated data systems
  • Experience with Kubernetes and Docker

What we offer:

  • Contribution to the development of a rapidly growing platform for conversational AI and semantic technologies
  • Individual working time models
  • Flexible time management
  • Public transport allowance
  • Possibility to work remotely
  • Company free on 24.12. and 31.12. – additional to your 25 holidays
  • Quick decisions and continuous development
  • Working in an international team with a flat hierarchy
  • Company pension
  • Fair salary – monthly minimum salary according to the IT collective agreement on a full-time basis in the amount of € 3.190 gross (overpayment possible depending on qualifications and professional experience).


We are looking forward to your application!

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