Manufacturing Development Engineer – Sustainable Materials

Company: Jack & Jill
Apply for the Manufacturing Development Engineer – Sustainable Materials
Location: London
Job Description:

Jack & Jill, a venture-backed startup in London, is seeking a Manufacturing Development Engineer to pioneer innovative production processes for a revolutionary, microbe-based material that addresses the plastic crisis.

This role involves developing early-stage manufacturing routes, leading trials, and ensuring process scalability. Candidates should have a strong background in plastics and mechanical engineering and be ready to work in a dynamic, mission-driven environment.

The position offers a competitive salary and excellent perks including daily catered lunches and a Heka wellbeing allowance.

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Posted: June 15th, 2026