Paderborn University is a high-performance and internationally oriented university. Within interdisciplinary teams, we undertake forward-looking research, design innovative teaching concepts and actively transfer knowledge into society. As an important research and cooperation partner, the university also shapes regional development strategies. We offer our employees in research, teaching, technology and administration a lively, family-friendly and equal opportunity environment, a lean management structure and diverse opportunities. Join us to invent the future!
In the Faculty of Computer Science, Electrical Engineering, and Mathematics the Department of Computer Science – Secure Software Engineering – is seeking to fill the following position as soon as possible
Java Open Source Software Developer (f/m/d)
(Salary level, depending on individual qualification, up to 13 TV-L)
for 100 % of the regular working hours. The position is limited to the three-year duration of the project. During this time, an application for an extension of the project can be submitted to the “Deutsche Forschungsgemeinschaft” (DFG, German Research Foundation). If funding is renewed, an extension of employment would be possible.
The successful candidate will lead a project to further develop the open-source code analysis framework SootUp (https://github.com/soot-oss/SootUp). SootUp is an updated version of the globally used Soot framework, which can be used to statically analyze Java and Android software. As part of the project, SootUp will be expanded to include features that are important to the research community. Another goal is to raise awareness of SootUp within the community and establish a vibrant open-source ecosystem around SootUp. The project comprises a total of three positions and is funded by the German Research Foundation (DFG) over three years as part of the e-Research Technologies program.
The Secure Software Engineering department develops methods and tools to make the hardware and software systems of tomorrow functional, fail-safe, and attack-proof. The research is practice-oriented and conducted in collaboration with renowned international partners from science, politics, and industry. One focus of the research group is the design of automated methods for software quality assurance, including in the context of agent-based software development. Software tools developed by the department, including SootUp, are used by hundreds of research groups and companies worldwide. The advertised position offers the opportunity to actively shape an exciting development project at the forefront of software engineering research and to set it up for sustainable further development.
Responsibilities:
• Further development and maintenance of SootUp regarding the features specified in the project and beyond (70 %)
• Management and coordination of the project in consultation with the other people involved in the project (10 %)
• Scientific communication and OSS community building in relation to SootUp (10 %)
• Co-development of a sustainability concept for the further development of SootUp beyond the project (10 %)
Requirements:
• Bachelor or Master's degree in Computer Science
• A minimum of five years of full-time experience as a Java software developer
• Very good written and spoken English skills; German skills are an advantage
• Experience in active participation in OSS projects and experience in a project management role are a plus
We offer:
• An exciting mix of technical, strategic, and coordination tasks in a motivated team
• Access to current LLM-based coding tools
• A generous travel budget to allow you to present SootUp at several international conferences a year
• Flexible working hours and the individual option of mobile working
• Wide range of health, counseling and prevention services
• Attractive fringe benefits such as childcare facilities and sports activities
• Opportunities for internal and external training and development
• Additional benefits in accordance with the collective agreement of the federal states (TV-L), such as annual bonuses and capital-forming benefits as well as the VBL supplementary pension scheme
• Supportive workplace culture with plenty of opportunities to take the initiative
Applications, including a clear motivational letter, a current CV, and work certificates, should be sent online via the University of Paderborn application portal by June 3, 2026, quoting reference number 7294. If you have any questions regarding the position itself, please contact Prof. Dr. Eric Bodden: eric.bodden@uni-paderborn.de.
Applications submitted by women are expressly welcome and will be given preferential consideration in accordance with the equal opportunities act of North Rhine-Westphalia (Landesgleichstellungsgesetz, LGG) in the event of equal suitability, qualifications, and professional performance, unless reasons relating to the person of a competitor outweigh this. Part-time employment is generally possible. Applications from qualified persons with disabilities and persons of equal status as defined in Book IX of the German Social Code (Sozialgesetzbuch, SGB IX) are also welcome.
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Universität Paderborn
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