Ready to work at the forefront of the circular revolution?
We believe that the materials of tomorrow can come from the waste of today. By transforming locally sourced food side streams (eggshells) into high-performance bio-based materials. We provide premium ingredients for the Food & Nutrition sectors and industrial applications - helping manufacturers transition toward renewable material sourcing.
Explore Our Job Openings
Junior R&D Engineer
WonderCare SK
Protein Hydrolysis & Bio-based Ingredient Development.
Location: Maastricht
Your work will focus on designing, building, running, and improving experimental workflows for protein hydrolysis, sample preparation, process evaluation, and prototype development. This is a hands-on R&D engineering role in which you will help build practical lab-scale process knowledge that supports future ingredient development, product quality, and scale-up.
You are a good fit if you have:
BSc or MSc degree in biotechnology, bioengineering, protein hydrolysis, peptide chemistry, or related fields.
You have a strong interest in bio-based materials, functional ingredients, and hands-on experimental work.
You enjoy building, testing, and improving laboratory setups and workflows, not only following standard protocols.
Sales Intern
Help us grow and shape the future of sustainability.
Location: Maastricht / Hybrid
Are you a motivated and people-oriented individual who wants to kickstart your career in sales?
Eggxpert is looking for a Sales Intern who is eager to learn, build customer relationships, and contribute to business growth. You will work closely with our commercial team to identify opportunities, engage with potential clients, and support sales strategies that drive success.
You are a good fit if you have:
A background or strong interest in business, marketing, sales, or entrepreneurship.
Excellent communication and interpersonal skills.
Confidence in interacting with customers and presenting ideas.
A proactive mindset with a willingness to learn and take initiative.
Strong organizational skills and the ability to work in a fast-paced environment.
Familiarity with Microsoft Office, Google Workspace, or CRM tools.
Business Development WonderLime™
Drive commercial growth for WonderLime in new businesses.
Location: Maastricht / Hybrid
WonderLime™ is EGGXPERT’s eggshell-based mineral ingredient, developed as a sustainable calcium carbonate solution for applications such as bio-fillers, polymers, rubbers, adhesives, coatings, stone paper and constructions.
You are a good fit if you have:
A commercial mindset, strong communication skills.
Experienced in calcium carbonate products & market.
Interest in sustainable materials, plastics, building products, coatings, packaging or circular economy innovation.
The ability to identify new market opportunities, generate leads, and build long-term customer relationships.
Polymer Materials Engineer / Additive Manufacturing
WonderLime™
Support the development of novel polymer formulations and bio-based composite materials with WonderLime for additive manufacturing and industrial applications.
Location: Maastricht
Your work will focus on material formulation, polymer processing, additive manufacturing (3D printing), characterization, and prototype development. This is a hands-on R&D role where you will help translate scientific concepts into functional products and scalable manufacturing solutions.
You are a good fit if you have:
BSc or MSc degree in Polymer Science, Materials Science, Chemical Engineering, Polymer Engineering, Applied Chemistry, or a related field.
Practical experience with polymer processing techniques.
Experience with 3D printing / additive manufacturing technologies.
Drive commercial growth for WonderLime in new businesses.
Location: Maastricht / Hybrid
WonderLime™ is EGGXPERT’s eggshell-based mineral ingredient, developed as a sustainable calcium carbonate solution for applications such as bio-fillers, polymers, rubbers, adhesives, coatings, stone paper and constructions.
You are a good fit if you have:
A commercial mindset, strong communication skills.
Experienced in calcium carbonate products & market.
Interest in sustainable materials, plastics, building products, coatings, packaging or circular economy innovation.
The ability to identify new market opportunities, generate leads, and build long-term customer relationships.
Help us grow and shape the future of sustainability.
Location: Maastricht / HybridAre you a motivated and people-oriented individual who wants to kickstart your career in sales?
Eggxpert is looking for a Sales Intern who is eager to learn, build customer relationships, and contribute to business growth. You will work closely with our commercial team to identify opportunities, engage with potential clients, and support sales strategies that drive success.
You are a good fit if you have:
A background or strong interest in business, marketing, sales, or entrepreneurship.
Excellent communication and interpersonal skills.
Confidence in interacting with customers and presenting ideas.
A proactive mindset with a willingness to learn and take initiative.
Strong organizational skills and the ability to work in a fast-paced environment.
Familiarity with Microsoft Office, Google Workspace, or CRM tools.
What we value
Renewable & Regenerative Thinking
We go beyond sustainability. Whether we are developing a nutritional supplement or an industrial filler, we focus on regenerative alternatives that restore the balance between nature and industry.
Versatile Impact
Our work spans from human health to heavy industry. You are someone who can see the bigger picture: how a single eggshell can become a life-changing nutrient or a high-tech renewable material.
Collaborative Pioneers
We are a team of visionaries and doers. We value trust, celebrate growth, and believe that the best solutions are achieved when we work together across disciplines.