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Research Engineer - Polymer Science (Permanent Contract)

Ever Dye

Ever Dye

Romainville, France
Posted on Aug 11, 2025
  • Study and improve the physicochemical interactions between textile dye products and textile fibers
  • Analyze adsorption, penetration, and fixation phenomena of dyes on various fibers (especially polyester)
  • Optimize dye formulations in relation to fiber structure and morphology
  • Collaborate with R&D teams to develop innovative solutions adapted to industrial constraints
  • Use advanced analytical techniques (spectroscopy, chromatography, microscopy) to characterize interactions and dye performance
  • Write technical reports and present results to stakeholders
  • Master’s degree or PhD in macromolecular chemistry, polymer physical chemistry, or related field
  • Proven experience (at least 1 year) with biopolymers (e.g. cellulose), synthetic polymers (e.g. polyester), and nanoparticle characterization
  • Strong knowledge of polymer-fiber interactions and physicochemical phenomena
  • Solid understanding of molecular interactions, adsorption, and diffusion
  • Experience with UV-Vis, IR, NMR, chromatography, electron microscopy, DLS, and zeta potential
  • Ability to work in a multidisciplinary team
  • Autonomy, scientific rigor, and analytical mindset
  • Professional English (spoken and written)

Here’s Our Hiring Process For The Role

  • Step 1: Phone Screening
  • Step 2: Job fit & technical skills assessment
  • Step 3: In-person meeting in the lab
  • Step 4: Reference checks