> Markdown version of [/jobs/ext/2993994-polymer-chemist-plastics-processing-engineer-compounding-applications](https://www.wearedevelopers.com/jobs/ext/2993994-polymer-chemist-plastics-processing-engineer-compounding-applications). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Polymer Chemist / Plastics Processing Engineer Compounding & Applications - **Company:** aevoloop GmbH - **Location:** Leipzig, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** 3D Printing, Software Engineering, Data Analytics - **Published:** September 19, 2026 - **Apply:** https://www.adzuna.de/details/5889281617 ## About the Role * Education: Degree (B.Sc./M.Sc.) in Plastics Engineering, Polymer Science, Materials Science or a related field. Alternatively, completed vocational training as a Plastics Technologist or Technician with extensive relevant industry experience. * Experience: Proven senior-level of professional experience in an industrial laboratory, pilot plant, or production environment. * Technical Expertise: Deep, hands-on experience in polymer processing (compounding, extrusion, injection moulding) and formulating masterbatches/additives. * Analytical Mindset: Confident handling of thermal and rheological analysis methods. * Working Style: Precise, well-organized, and reliable even in the dynamic environment of a growing startup. You bring a strong hands-on mentality and structure your work efficiently. * Language: Comfortable communicating in English in day-to-day operations. Technical competence matters more to us than perfect grammar. ## Description As part of our R&D team, you will be the technical backbone of our polymer processing team, transforming our novel, sustainable polymers into high-performance compounds ready for scale-up. * Compounding & Formulation: Develop and optimize polymer formulations, focusing on additives, masterbatches and compounding strategies tailored to our new materials. * Equipment Operation: Hands-on setup, operation, and troubleshooting of polymer processing equipment, including lab kneaders, single/twin-screw extruders, injection moulding machines and film blowing lines. * Application Development: Drive material development across key application fields (e.g. injection moulding, film processing, fibre spinning or monofilaments for 3D printing). You don't need to be a deep expert in all of these fields, but you will help define key processing parameters and guidelines for target applications. * Data-Driven R&D: Analyze and interpret mechanical, thermal and rheological properties (MFI, capillary rheometry, DSC, TAN/acid value, tensile testing) to derive robust structure-property relationships., * Fast Growth - steep learning curves, regular growth talks and plenty of room to scale your role with the company. * Well-being Perks - Hansefit membership and fresh fruit boost your overall health and well-being. * Team Spirit - interdisciplinary crew that challenges norms, enjoys regular team events and drives real innovation. * Leipzig Hub - thrive in an emerging tech hotspot. * Code of Conduct - integrity, fairness and inclusivity are non-negotiable.