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Chemist for development of nanoparticles

A ninja synthetic and analytical chemist mastering nanoparticle chemistry, surface chemistry, and fluorophore chemistry.


Solna, Sweden



About the Role

The successful candidate will work with development and implementation of our nanoparticle (NP) platform. We work in a multidisciplinary environment where chemistry, physics, biology, fluidics, and software meet. Your main responsibility will be the development and characterization of the NPs for bioassay applications with focus on NP synthesis, coating, and characterization.


  • Plan, execute, organize, and report research

  • Development and synthesis of NPs

  • Development of NP coatings to enable biomolecule probing

  • Develop characterization methods for NP and surface analysis

  • Perform routine synthesis, coating and characterizations of NPs


We are looking for a candidate with high levels of energy and a solution-oriented mind-set with background in synthetic & colloidal chemistry. The right person is an initiative taker with high standards, keen attention to detail and meticulous in both design and documentation. You have a hands-on approach and enjoy spending a significant time in the lab. The candidate fits into a start-up environment by being flexible and seeks to find efficient ways to reach goals and milestones. You have:

  • Expert in synthesis, purification, and characterization of nanoparticles

  • Experience with the following characterization methods: SEM, TEM, DLS/Z-potential, IPC-OES/MS and UV-VIS

  • PhD in chemistry, biochemistry, or molecular diagnostics is highly regarded

  • Experience with synthesis of quantum dots is highly regarded

  • Experience with fluorophores is highly regarded

  • Strong laboratory skills and hands-on approach

  • Fluent in English with strong communication and presentation skills

  • Organized, meticulous, detail-oriented and data driven is highly regarded

  • Experience from industry is highly regarded

  • Desire to be part of a high-pace multi-disciplinary company, which requires real-time communication, flexibility, and a willingness to learn new techniques and methods.

  • Permission to work in Sweden is required

Terms of Employment

This is a full-time salary position available immediately, with a 6 months probational period that can lead to full-time employment.

About Us

APLEX Bio, a Swedish start-up company founded in 2020, is developing and commercializing a next-generation hyperplex hpPCR technology for analysis of massive numbers of biomarkers. The technology enables applications from research to in-vitro diagnostics (IVD) and precision diagnostics. APLEX Bio is based in Stockholm at the Karolinska Institute (KI) campus and is part of KI Innovations.


Read the instructions carefully. Applications that are not properly submitted may be disregarded.


Reference: AB-Chemist-2022 (use as subject when mailing application) 

Interviews: on rolling basis

Send application as a single PDF file containing:

1. CV (full contact info, gender and date-of-birth)

2. Cover letter describing experience, career goals and fit (max. 1 page)

3. List of at least 2 references including e-mail and phone number

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