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 independently design and execute complex experimental programs with high precision.
- 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 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