Materials Engineer (£35k-£45k + Equity) at VC-backed biomaterials startup

Materials Engineer (£35k-£45k + Equity) at VC-backed biomaterials startup

Full-Time 35000 - 45000 £ / year (est.) No working from home possible
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At a Glance

  • Tasks: Support the development of sustainable, bio-based polymers and oversee material trials.
  • Company: Join a VC-backed biomaterials startup on a mission to replace plastics.
  • Benefits: Competitive salary, equity options, and a chance to make a real impact.
  • Other info: High-autonomy role with opportunities for growth in a dynamic environment.
  • Why this job: Be part of a fast-scaling team creating innovative, home-compostable alternatives.
  • Qualifications: Degree in Polymer Processing or Materials Science with hands-on experience.

The predicted salary is between 35000 - 45000 £ per year.

Support the development and scale-up of sustainable, bio‑based polymers. You will oversee material trials across compounding, extrusion, and injection moulding while performing hands‑on lab characterization and root cause analysis. This role bridges the gap between R&D and manufacturing, helping build in‑house prototyping capabilities to replace conventional plastics with home‑compostable alternatives.

Why this role is remarkable:

  • Join a mission‑driven team replacing conventional plastics with innovative, home‑compostable, bio‑based polymers.
  • High‑autonomy role at a well‑funded Series A startup backed by top‑tier VCs and scaling fast.
  • Unique combination of hands‑on lab work, factory floor trials, and cross‑functional prototyping for major consumer brands.

What You Will Do:

  • Orchestrate and oversee material trials at partner manufacturing sites across extrusion, injection moulding, and film processing.
  • Design and execute lab‑scale experiments using characterization techniques like DSC, rheology, and mechanical testing to optimize formulations.
  • Troubleshoot processing defects and perform root cause analysis on material failures to ensure seamless production scale‑up.

The ideal candidate:

  • Degree in Polymer Processing, Materials Science, or a related field with at least one year of industry experience.
  • Proven hands‑on experience with polymer processing equipment including compounding, extrusion, or injection moulding lines.
  • Strong experimental design and data analysis skills, with a proactive approach to building structure and moving projects forward.

Materials Engineer (£35k-£45k + Equity) at VC-backed biomaterials startup employer: Jack & Jill

At Jack & Jill, we pride ourselves on being an exceptional employer that fosters a dynamic and innovative work culture. Our team enjoys a range of benefits including flexible working arrangements, professional development opportunities, and a collaborative environment that encourages creativity and growth. Located in a vibrant area, we offer unique advantages such as access to cutting-edge technology and the chance to work with industry leaders in AI-driven marketing strategies.

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Contact Details:

Jack & Jill Recruitment Team

We think you need these skills to ace Materials Engineer (£35k-£45k + Equity) at VC-backed biomaterials startup

Polymer Processing
Materials Science
Compounding
Extrusion
Injection Moulding
Lab Characterization Techniques
DSC (Differential Scanning Calorimetry)