We are looking for a Postdoctoral Researcher in NLP and Research Knowledge Graphs <https://gesis.jobs.personio.de/job/2838467?language=en> in the department Knowledge Technologies for the Social Sciences (KTS), Team Information and Data Retrieval for the Cologne location by December 01, 2026.

**
*Postdoctoral Researcher*
*(Salary group 13 TV-L, working time 100%, limited till 31.12.2028, subject to approval)*


The department *Knowledge Technologies for Social Sciences (KTS <https://www.gesis.org/en/kts>) conducts research at the intersection of information retrieval, natural language processing, semantic technologies and human information interaction as foundation for innovative web portals and platforms for the search and use of research data.

AI is transforming the scientific process across disciplines. In the NFDI4DS project, we develop infrastructures that empower researchers to responsibly adopt AI methods—for example, by establishing fair benchmarking protocols, ensuring transparent evaluation and documentation of AI models and LLMs, and curating a repository of open, reusable AI-based methods, along with related training materials and events. In this context, we are seeking a motivated researcher to coordinate and lead these activities.

*Your tasks will be:*

  * Lead dedicated work packages and a team of researchers within the
    NFDI4DS <https://www.nfdi4datascience.de/>project including
    coordination with project partners and supervision of PhD students
  * Research scholarly information extraction and develop methods for
    building Research Knowledge Graphs (e.g., GESIS KG
    <https://data.gesis.org/gesiskg/site/>)
  * Develop, integrate, and evaluate services, models, and systems using
    established benchmarks
  * Advance the NFDI4DS Academy through community engagement, content
    acquisition (methods, tutorials, training material) and integration
    with third party infrastructures
  * Exchange with scientific and user communities and dissemination of
    project results through publications and workshops at national and
    international level

*Your profile:*

  * Completed academic university degree (Master’s or equivalent) and
    completed PhD in computer science, data science, or a related field
  * Experience in project management (Strong mentoring and communication
    skills to effectively supervise and support PhD students)
  * Proven experience in NLP research and knowledge graphs, specifically
    in the context of scholarly information extraction.
  * Very good experience in software development with Python,
    AI-tooling, NLP technologies and database technologies
  * Very good verbal and written communication skills in English; good
    knowledge of German desirable

Please apply via our Online-application portal until *Nov. 2^nd 2026* application deadline.
Our reference number is: *KTS-86*

More details; please apply via <https://gesis.jobs.personio.de/job/2838467?language=en <https://gesis.jobs.personio.de/job/2838467?language=en>>

--
Prof. Dr. Stefan Dietze

Scientific Director Knowledge Technologies for the Social Sciences
GESIS - Leibniz Institute for the Social Sciences
Web: https://www.gesis.org/en/kts

Chair of Data & Knowledge Engineering
Heinrich-Heine-University Düsseldorf
Web: https://www.cs.hhu.de/en/research-groups/data-knowledge-engineering

Phone: +49 (0)221-47694-421
Web: http://stefandietze.net
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