Postdoc (f-m-d) for Developing Optical Microfluidic Platforms for High-Throughput Studies of Phase Transitions

Application until2026-08-13

Start of work1 October 2026

Scope of work39 h

The newly established research group in Phase Transition Engineering (Group Leader: Dr. Leif-Thore Deck) at the is inviting applications for the Postdoc (f/m/d) position.

Research topic: „Developing optical microfluidic platforms for high-throughput studies of phase transitions“

The position is to be filled as soon as possible and is limited to two years.

Understanding how solids form from fluids is one of the most fundamental questions in the physical sciences. Solid assembly is pivotal to both natural and industrial systems, ranging from the manufacturing of crystalline products in the chemical and (bio)pharmaceutical industries to the formation of functional and toxic protein aggregates in living organisms. The miniaturization of experimental setups has transformed the study of physical, chemical, and biological systems. State-of-the-art microfluidic platforms enable the combinatorial generation, processing, and analysis of thousands of micrometer-sized droplets, which facilitates the high-throughput screening of phase transitions. At larger scales, optical probes provide online information on key attributes of manufacturing processes involving crystallization and precipitation that have transformed the rational design, control, and optimization of these processes.

This project focuses on the development of next-generation optical platforms that provide unprecedented insights into the phase transitions of peptides, proteins, and nucleic acids, with direct connections to both industrial and biomedical applications. On the industrial side, the insights gained will aid parallel projects aimed at improving the rational design of biopharmaceutical formulations and manufacturing processes that involve crystallization or precipitation for the purpose of purification. On the biomedical side, the project will elucidate how to modulate the transformation of disease-relevant disordered proteins (such as alpha-synuclein or tau) into toxic condensates or aggregates.

Your tasks

Development of multiple optical technologies to be used for the high-throughput quantification of phase transitions for small and biomolecules. The focus lies on the construction of a customized fluorescence microscope for combinatorial droplet microfluidics.
Installation of additional microscopic tools, including quantitative phase imaging for density measurements of biomolecular condensates, and imaging-based techniques for online monitoring of crystallization/precipitation.
Development of the software / image analysis tools to use the aforementioned technologies.
Application of these technologies to a set of open questions on biomolecular phase transitions.

Suitable candidates

hold a PhD degree with a focus on optics and/or microfluidics in the engineering or natural sciences, preferentially in chemical, bio or process engineering, physics, chemistry or related disciplines with grades above average,
have strong interest in the design and development of new technologies,
have strong communication skills and motivation for the cooperation with colleagues
have a very good knowledge of English
have sufficient knowledge of German

Knowledge and experience in chemical laboratory work, hardware development, and image analysis are advantageous for the position.

We offer:

A full-time position with a fixed-term employment contract in the public sector for two years, with the option of extension
An international and interdisciplinary working environment
A collaborative and dynamic working atmosphere
Flexible working hours and modern working conditions

The is committed to equal opportunities, gender equality and diversity. What matters to us are your qualifications, professional strengths and attitude. We therefore welcome applications from all backgrounds, regardless of gender, cultural or social background, disability, religion, age, lifestyle, ideology, or sexual identity.

One of the Max Planck Society's primary goals is to increase the proportion of women in areas where they are underrepresented. We are therefore particularly interested in applications from qualified women and would like to encourage them to apply.

The Max Planck Society is also committed to employing more severely disabled people. Severely disabled people and those with an equivalent status will be given special consideration if they are equally qualified. We therefore explicitly encourage applications from severely disabled people.

We will be assessing applications on an ongoing basis until the position is filled. Please register via our online application portal below and upload your complete application documents (letter of motivation, CV, certificates, reference letters).

Contact person for further information:

Dr. Leif-Thore Deck