Enlightening Science

European XFEL is an international non-profit company located in the Hamburg area in Germany. It operates a 3.4 km-long X-ray laser, which produces X-rays of unique quality for studies in physics, chemistry, the life sciences, materials research and other disciplines. The diverse scientific facilities at European XFEL enable scientists from across the globe to carry out a wide range of experimental techniques.

For our Theory group we are looking for an

PhD student (f/m/d) in Theoretical and Computational Physics - part-time (29,25 hrs/week)

The Position

Develop and apply rotational-invariant methods for x-ray scattering and single-particle imaging at XFELs, with a focus on biological and nanoengineered particles
Advance theoretical and computational approaches for extracting and analyzing angular cross-correlation functions and rotational invariants in x-ray scattering
Analyze and interpret experimental XFEL datasets—primarily from the European XFEL—and participate in relevant beamtimes and collaborative research projects with internal and external user groups
Contribute to the development of in-house software for invariant-based structural analysis and disseminate research results through scientific publications, conference presentations, and a PhD thesis.

Requirements

A master’s degree in physics or a related discipline
A strong background in mathematics
Programming skills (Python or C/C++ will be considered an asset)
Proficiency in spoken and written English
Strong communication skills and an interest in collaborating with experimentalists and theorists

For additional information, please contact Dr. Ruslan Kurta (ruslan.kurta@xfel.eu).

Working place will be Schenefeld, in the Hamburg metropolitan area. General information on working in Germany, the Hamburg area and the European XFEL can be found on our Career Page.

Reference Number

S-685

Duration

This appointment is limited to 3 years.

Our offer

Become part of a vibrant international and multi-cultural team of scientists, engineers, technical and administrative staff. Be involved in cutting edge scientific and technical progress and participate in our international networks. Experience our atmosphere of tolerance and respect.

Salary and benefits are similar to those of public service organizations in Germany, this includes for example:

family friendly working environment (e.g. additional childcare days)
flexible working times and option for work from home depending on tasks
30 days of vacation, 24th and 31st of December are free as a courtesy of the employer
extensive relocation benefits
generous company pension scheme (6,45% of monthly salary)
monthly social events and subsidized company restaurant
partially financed job-tickets for public transportation
extensive training opportunities incl. subsidized English and German language classes
Easy and free access to a mental health platform to support your wellbeing

Our company language is English.

Application

Please provide your CV and a motivation letter in English as well as any reference letters.

The European XFEL GmbH is an equal opportunity and affirmative action employer and we promote and support diverse and heterogenous teams. Applicants with disabilities will be given preference over other equally qualified applicants.

Application Deadline: 23/11/2026

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