GSI Helmholtzzentrum für Schwerionenforschung is a leading particle accelerator centre for fundamental research located in Darmstadt, Germany. At the GSI site, currently the Facility for Antiproton and Ion Research is being constructed with international cooperation, one of today’s largest science infrastructure projects worldwide. The CBM (Compressed Baryonic Matter) experiment is one of the major experiments to be conducted at this new facility. CBM will investigate strongly interacting matter by measuring heavy-ion collisions, with the ambitious aim to achieve very high interaction rates. The experimental concept foresees real-time data selection in software, which requires highly performant and efficient algorithms for event reconstruction.

For the CBM department at GSI, we seek at the nearest possible point in time a

Lead Developer Reconstruction Software (all genders)

Posting-ID: 25.38-5112

The successful applicant will to take a leading and coordinating role in the development of fast and efficient algorithms for the reconstruction and analysis of CBM experiment data, for both online and offline application. He/she will take in particular responsibility for the development, deployment and maintenance of the Cellular Automaton track finder as the backbone of event reconstruction in CBM, including the establishment of software-based alignment procedures. The applicant will coordinate and steer all development activities in CBM for reconstruction software, bringing it to production readiness for the start of experiment operation in 2028. Emphasis has to be put on the application of the software in real-time, making use of massive parallelism on CPU and/or on GPU.

Your profile:

From the applicant, we expect

• a doctoral degree in physics or computer science,
• a strong background in algorithm development for high-performance computing, including profiling, monitoring and quality assessment,
• good knowledge in track reconstruction methods,
• familiarity with current computer architectures,
• experience in large high-energy nuclear or particle experiments,
• good English language skills, both spoken and written, and
• experience in software project management, including planning and reporting.

We are looking for a person combining expertise with team-player ability, who is interested not only in algorithmic developments but also in transforming them into a running system.

We offer to the successful applicant a challenging position at the forefront of nowadays technology, in the context of an international collaboration of about 400 members.

Salary is equivalent to that for public employees as specified in the collective agreement for public employees (TVöD Bund). The position is unlimited and starts in August 2025.

GSI supports the vocational development of women. Therefore, women are especially encouraged to apply for the position. Handicapped persons will be preferentially considered when equally qualified.

Information about FAIR and GSI is available at www.gsi.de and www.fair-center.eu.

If you find this position interesting and challenging and would like to work in an exceptional, international scientifically excellent environment, please send your application documents, including CV, publication list and two letters of reference, quoting the Posting-ID: 25.38-5112 by 01.05.2025 at the latest via the online portal on our job site:

Online-Bewerbungsportal

GSI Helmholtzzentrum für Schwerionenforschung GmbH

ABTEILUNG PERSONAL

PLANCKSTRASSE 1

64291 DARMSTADT

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