Semantic Data Engineer

Semantic Data Engineer


Who we are:
Ontotext transforms the way enterprises identify meaning across diverse databases and unstructured data, by combining text mining and machine learning techniques with a semantic graph database. We develop cutting-edge technology products and solutions. We deal with trends like cognitive computing, machine learning and natural language processing, NoSQL databases, to name a few. Our challenge is to make these complex technologies easier to adopt and use at scale. And we are successful!

We are looking for:

Smart and enthusiastic person with data analysis and ETL experience to fill the role of Semantic Data Engineer. We value smart, awesome people who want to solve hard problems in a fun, collaborative and casual environment.


Your Role will include some/all of the following responsibilities depending on your profile and preferences:

  • Analyze datasets;
  • Data modelling;
  • Creating data pipelines for conversion and integration of various datasets to a RDF output;
  • Data governance;
  • Freedom to use different programming languages to fulfill research tasks;
  • We use the following core technology stack:

o   Apache Spark/Apache Kafka/TalenD/OpenRefine for ETL pipelines;

o   GraphDB a RDF triple store and its query language SPARQL;

o   Elasticsearch for text search and aggregations.


Your Profile:

  • Experience with various kinds of data: CSV, RDBMS, XML and JSON;
  • University Degree in Information Technologies, Computer or Library Science;
  • Knowledge of some programming or scripting language, e.g. Java, Scala, Python;
  • Experience using Version Control Systems;
  • Aptitude to learn new technologies quickly, gain familiarity with new business domains;
  • Fluent in English.



  • Experience with some ETL tool, eg Talend, OpenRefine, Informatica, SQL DTS;
  • Experience with declarative XML/database languages like XQuery, XSLT, SQL, SPARQL, R2RML;
  • Experience with Database Administration, data analysis or data modeling.


We Offer

  • An interesting and challenging job in an innovative company, a world leader in an expanding technology segment;
  • Collaboration with experienced and highly talented software and database developers and architects;
  • The chance to participate in the development and delivery of next generation database and search systems;
  • Exposure to new technologies, international companies, projects and teams;
  • Flexible working time;
  • A chance to make a difference.



Want to be part of our ambitious team?  Send us a recent CV.

Your application will be treated with respect and confidentiality!

Only shortlisted candidates will be contacted.

Please send your resume to and reference Semantic Data Engineer (Research and Innovation Team).


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