Jack & Jill
Manufacturing Development Engineer (£35-£50k + Equity) at Shellworks
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This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.
She will pick the best candidates from Jack's network.
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Job Title
Manufacturing Development Engineer
Salary
£35-£50k + Equity
Company Description
Shellworks is a London-based startup creating Vivomer, a revolutionary sustainable material made by bacteria that behaves like plastic but breaks down naturally in the environment.
Job Description
As a Manufacturing Development Engineer at Shellworks, you will pioneer the transition from concept to production for sustainable materials. You will design, prototype, and validate innovative manufacturing routes for Vivomer, working closely with external partners to scale high-performance alternatives to petroleum-based plastics and directly combat the global plastic pollution crisis.
Location
London, UK
Why this role is remarkable
- Work with Vivomer, a breakthrough material that mimics plastic performance but is fully broken down by natural microbes.
- Move beyond incremental optimization to build entirely new manufacturing processes and equipment from the ground up.
- Join a mission-driven, tightly-knit team of experts in materials science and engineering dedicated to solving plastic waste.
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What You Will Do
- Lead early-stage manufacturing projects from initial concept through prototyping, equipment specification, and pilot validation.
- Serve as the technical interface with co-manufacturers to ensure innovative processes meet strict quality and scalability standards.
- Travel to partner facilities and trial sites to troubleshoot and accelerate the deployment of new production routes.
The ideal candidate
- Strong background in plastics and polymer processing, including hands-on experience with moulding, extrusion, or assembly techniques.
- Mechanical engineering expertise with a grasp of process fundamentals, tooling design, and the ability to prototype machines.
- A self-starter comfortable with technical ambiguity and travel, thriving in high-autonomy, fast-paced startup environments.
Who are Jack & Jill?
Ok, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.
Get help with your application
Your very own career expert that helps elevate your application to the next level.
And I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.
How does this work?
Jack's an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack's network.
If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.
We never post fake jobs
This isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network.
Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.
We appreciate this can make them look a bit suspect, but there isn't much we can do about it.
Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.
“It took my CV and asked me questions relevant to understanding what kind of jobs to suggest for me. Suggestions were almost perfect. Jobs were exactly what I’ve been looking for.”
Jessica, London
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