Always active

• The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network
• The technical storage or access that is used exclusively for statistical purposes
• Manage {vendor_count} vendors

Applied Scientist – Colloidal and Surface Chemistry

• 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
• 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
• 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

What of your experience and skills are relevant to this role?