Applied Scientist – Colloidal and Surface Chemistry

vor 2 Wochen

Zürich, Zürich, Schweiz Haelixa Vollzeit CHF 90'000 - CHF 120'000 pro Jahr

Haelixa is a pioneering company delivering a bulletproof DNA-based traceability solution to mark and trace products across global supply chains. From recycled fibres to luxury textiles and jewelry, we enable brands to verify origin and authenticity claims with a forensic science-backed approach. Our technology is trusted by leading global fashion, textile, and jewelry companies.

We are looking for a highly skilled Applied Scientist to join our fast-growing team. In this role, you will drive the development, optimization, and scale-up of our core technology, Haelixa's DNA-based marker. Reporting directly to the CSO, you will play a central role in advancing our science into real-world applications and ensuring technical excellence in every stage of product development.

Location:
Kemptthal, Switzerland

Start Date:
As soon as possible or December 1st, 2025

Responsibilities

  • Design and execute complex development projects in colloidal and surface chemistry, from concept through delivery.
  • Develop, optimize, and scale up protocols for particle synthesis, surface modification, and product stabilization.
  • Lead laboratory work on particle surface functionalization and product formulation.
  • Characterize colloidal systems using advanced analytical and surface characterization methods.
  • Translate laboratory-scale findings into scalable, reproducible production processes.
  • Monitor, track, and report progress, risks, and deliverables directly to the CSO.
  • Contribute to building a strong scientific culture while supporting the team in delivering outstanding products.

Your Profile

  • PhD in Colloidal Chemistry, Surface Chemistry, Materials Science, Chemical Engineering, or a related field (or MSc & relevant experience)
  • Proven expertise and hands-on experience in micro/nanoparticle synthesis, functionalization, and characterization.
  • Solid understanding of colloidal stability, solution chemistry, and analytical techniques.
  • Strong background in DNA chemistry and/or DNA-based nanoparticles is a plus.
  • Demonstrated ability to design and execute complex experimental programs with high precision independently.
  • Excellent organizational and project management skills, with a strong sense of ownership and accountability.
  • Strong written and spoken communication skills in English.
  • Passion for working in a start-up environment, with flexibility, energy, and drive.

What We Offer

  • Great responsibility from day one; we value ownership and hold ourselves accountable for outcomes
  • Alignment of objectives at the company level; we set clear goals together and achieve them in a suitable and timely way
  • Friendly and inclusive team spirit; we are optimistic and collaborative, our criticism is always constructive
  • We believe that sports teach fairness, teamwork, discipline, perseverance, and respect. As a result, we offer a yearly sports subscription to all members.
  • The offices are well-designed and located in a lively area between Zurich and Winterthur

We arrange seasonal team events and achievement celebrations

Are you interested in joining us? Apply by sending your CV and short motivation with the position you are applying for as the subject to We look forward to meeting you

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