Data Scientist for Detector Calibration (f/m/d)

Organisation/Company European XFEL Research Field Physics Researcher Profile Recognised Researcher (R2) Positions Other Positions Country Germany Application Deadline 8 Jan 2026 – 23:59 (Europe/Berlin) Type of Contract Temporary Job Status Other Job Status Extra Information This position is limited to 3 years. Is the job funded through the EU Research Framework Programme? Other EU programme Reference Number S-620 Is the Job related to staff position within a Research Infrastructure? Yes

Offer Description

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.

The Position

For our Detector group, we are looking for a

The main focus of the position is to:

• maximize the quality of detector data;
• in particular, by optimizing detector configuration with respect to different experimental techniques employed at European XFEL, and enhancing tools to calibrate and characterize them;
• contribute to extending and improving the European XFEL\’s detector calibration infrastructure;
• actively participate in scientific experiments and user support;
• liaise with instrument scientists and other stakeholders inside and outside of European XFEL.

Requirements

• PhD in Physics, Mathematics, or equivalent.
• Excellent programming experience within a scientific context.
• In particular, solid knowledge of Python and its ecosystem (e.g. NumPy, SciPy, etc.).
• Hands-on experience with data from X-ray or particle detectors used for scientific applications, including at least two of: calibration, characterization, data curation/quality control, data reduction, or online/offline reconstruction.
• Good understanding of data science techniques.
• Good communication skills and ability to work in a structured way in a culturally diverse and multidisciplinary team with English as working language.

The following are considered assets:

• Experience with simulation of detector response to X-rays;
• Experience with X-ray-based experimental techniques;
• Experience with git or similar version control systems.

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 here .

Our offer

Become part of a vibrant international and multicultural 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
• 30days of vacation, 24th and 31st of December are free as a courtesy of the employer
• 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 well‑being

Our company language is English.

Reference number: S-620

Duration: This position is limited to 3 years.

Application

Please apply online and 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.