FIZ Karlsruhe – Leibniz Institute for Information Infrastructure is one of the leading provider of scientific information and services and a member of the Leibniz Association. Our core task is the professional support of science and industry with research and patent information as well as the development of innovative information infrastructures, e.g. with a focus on research data management, knowledge graphs and digital platforms. For this purpose, we conduct in-house research, cooperate with renowned universities and research associations and maintain an international network. FIZ Karlsruhe is a GmbH (a limited liability company) with a non-profit character and one of the largest non-university institutions of its kind in Germany.
At our Berlin location, we are recruiting for the position of a Software Developer (f/m/x) the next possible date.
This position is part of the MaRDI project on research data infrastructures for mathematics. MaRDI is part of the German Research Data Infrastructure initiative (NFDI programme). Particular tasks within the project will be the implementation based on a customized version of the Wikimedia technology stack, integrating the classical MediaWiki frontend and content management system and the Wikibase knowledge graph as data backend, including, e.g.,
Implementation of persistent identifiers (PIDs)
Authorization and authentication (OAuth2, shibboleth)
Implementation of the mathematical knowledge graph and multiple math-specific extensions
Qualifications and Skills:
B.Sc. in Computer Science or equivalent qualification
Contributions to Open Source Software
Experience with PHP
Experience with Media Wiki framework
Experience with Linked Open Data, i.e., SPARQL, graph databases (optional)
Awareness of code quality, good knowledge of coding best practices
Very good ability to work in a team
Experience in professional software development desirable
We offer you the opportunity to play a creative role in a highly dynamic scientific and technical environment and to support and advance our innovative projects and developments in the best possible way. With our working time models and the support of mobile working, we allow a high degree of flexibility in the arrangement of work schedules, considering the individual family and operational work situation (life-work balance). FIZ Karlsruhe understands itself as a family-friendly institution, with equal opportunities being an integral part of our daily life. We have been certified by the audit berufundfamilie.
Remuneration is based on the Collective Agreement for the Public Sector (TVöD/VKA) with the company pension scheme with VBL. The weekly working time is 39 hours. The position is temporary until the end of the project on September 30, 2026. Applications from severely handicapped persons will be considered with preference, provided they are equally qualified. Information on data protection for employment advertisements can be found here.