The program usually requires a minimum commitment of 6 months, with around 10 hours per week dedicated to defined tasks and projects. Please note that this is an unpaid program and participation requires signing a non-disclosure agreement (NDA).

*Your main responsibilities:* 
1.Support us in overseeing and improving the R&D process.
2.Perform research and market mapping to identify suitable labs and institutes.
3.Initiate connections and build communication with partners based on our project goals.
4.Prepare reports, documentation, and lab requests.
5.Support and coordinate project development with clients, suppliers, and other external parties.

*Your experience:*
1.Educational background in Material / Mechanical Engineering / Chemistry (Master’s or PhD students preferred).
2.A strong research mindset with analytical skills and ideally some experience in research projects.
3.Interest in greentech, sustainability, and circular economy.
4.Passion, curiosity, and a “not giving up” attitude that drives learning and problem-solving.
5.Fluency in English (German-advantage).

*Work environment: *
You will work on a part-time basis of approximately 10 hours per week, with a minimum commitment of 6 months. Please note that this is an unpaid internship and participation requires signing a non-disclosure agreement (NDA).

Re-Fresh Global is looking for an experienced Administration Manager to join our mission-driven team in Berlin. This is a hybrid role (minimum two days in-office in Berlin) for someone who can support daily administrative, financial and logistical coordination and accounting tasks. We’re seeking gernam native speaker, someone highly organized, detail-oriented and proactive who enjoys working in a purpose-driven startup environment tackling sustainability challenges in the textile industry.

Key Responsibilities:
1. General administrative support for the Berlin office

2. Managing grant reporting, accounting and administration.

3. Coordinating logistics for team events, travel, suppliers and costumers

4. Assisting with bookkeeping tasks (Hands-on experience with DATEV / Adison or Lexoffice- Advantage)


5. Preparing and organizing invoices, receipts, and expense documentation

6. Supporting HR administration (onboarding, contracts, leave tracking)

7. Liaising with accountants, tax advisors and external partners in Germany

Requirements:
1. Ability to work independently and manage multiple tasks

2. Background in German accounting / bookkeeping administration (not tax advisory)

3. Excellent organizational skills and attention to detail

4. Proficiency in German and English

5. Ability to work independently and manage multiple tasks

6. Comfortable with cloud tools and office software (Google Workspace, MS Office)

Approx. 20–25 hours/week, ~4–5 hours per day, Monday–Friday, Minimum 3 days/week in our Berlin office (B-Part am Gleisdreieck), 3-months trial period.

We are seeking a passionate social media marketing expert with a proven track record of managing and growing LinkedIn pages. While your primary focus will be on LinkedIn, you will also maintain our presence on Facebook, Instagram, and newsletters. As part of our team, you will play a key role in increasing brand awareness, fostering engagement, and aligning our social media efforts with Re-Fresh Global’s mission. Working closely with leadership and other departments, you will ensure our social media presence is consistent, engaging, and reflective of our sustainability goals.

Your primary mission is to create and schedule LinkedIn content that resonates with our audience, drives engagement, and embodies Re-Fresh’s values. You will also monitor the performance of campaigns, make data-driven optimizations, and ensure continuous growth on the platform.

Key Responsibilities:

1. Develop and execute a comprehensive social media strategy, with a focus on LinkedIn, to increase engagement, follower count, and lead generation.
2. Design engaging posts using Canva and other tools, ensuring consistency with Re-Fresh Global’s brand narrative.
3. Collaborate with the leadership team to align social media efforts with broader marketing strategies and sustainability initiatives.
4. Actively engage with the LinkedIn community, responding to comments, messages, and inquiries in a timely and professional manner.
5. Maintain and update Facebook and Instagram as part of the overall social media strategy.
6. Help with Monthly newsletter

Requirements:

1. 2+ years of proven experience managing LinkedIn pages, preferably for companies in sustainability, fashion, or textiles.
2. A portfolio showcasing the creation and management of at least 3 successful LinkedIn business pages.
3. Proficiency in Canva and basic design skills to create visually compelling social media content.
4. A passion for sustainability and a strong understanding of Re-Fresh Global’s mission.
5. High motivation to learn about sustainability in the textile industry, with a commitment to a 1-month learning period involving reading and research.
6. Available to work 1-2 hours per day remotely.
7. Fluent in English, with excellent written and verbal communication skills.
8. Participate in weekly team meeting for 1 hr online

Compensation:

€500 per month for part-time work (1-2 hours per day).
Need to provide a legal invoice.
Option for more hours and larger engagements in the future.

We are seeking motivated and creative marketing interns to join our dynamic team for a minimum of 5 months. This internship offers an excellent opportunity to gain hands-on experience in various aspects of marketing within a sustainability-focused organization.

Key Responsibilities:
1.Assist in the development and execution of marketing campaigns across digital and traditional platforms.
2.Manage and create content for social media accounts (e.g., Instagram & LinkedIn).
3,Conduct market research to identify trends, target audiences, and competitive analysis.
4.Help with the creation and editing of marketing materials, including blog posts, newsletters, press releases, and promotional content.
5.Support SEO efforts to improve website visibility and traffic.
6.Assist in organizing and promoting events, webinars, and other promotional activities.
7.Monitor and report on marketing performance metrics and suggest improvements.
8.Collaborate with other team members to brainstorm and develop new marketing ideas and strategies.

Requirements:
1.Strong understanding of digital marketing principles and social media platforms.
2.Excellent written and verbal communication skills.
3.Creativity and a keen eye for detail.
4.Ability to work independently and remotely as well as part of a global team.
5.Proficiency in using Microsoft Office Suite (Word, Excel, PowerPoint).
6.Familiarity with marketing tools and software (e.g., Google Analytics, WordPress, Canva, Adobe) is a plus.
7.Passion for sustainability and the mission of Re-Fresh.Global.

What We Offer:
1.Hands-on experience in a fast-growing sustainability-focused company.
2.Opportunity to work on impactful projects that contribute to a circular economy.
3.Mentorship and guidance from experienced marketing professionals.
4.Networking opportunities within the sustainability and marketing sectors.
5.A collaborative and innovative work environment.

How to Apply: If you are enthusiastic about marketing and sustainability and eager to contribute to a meaningful cause, we would love to hear from you. Please send your resume and a brief cover letter outlining your interest and relevant experience to community@re-fresh.global with the subject line “Marketing Internship Application – [Your Name]”.

Join us at Re-Fresh.Global and be a part of the movement towards a more sustainable future!

We are looking for an experienced Process Engineer to take full ownership of the end-to-end plan and design of our first microfactory. In this role, you will be working closely with the best experts in the field, (experts with a worldwide reputation) and with the founders as well as build relationships with external experts and services. You will have a great impact on the business and the textile industry.


*Your Main Responsibilities: *
1. Design and produce the flow to scale up 3 products made of textile waste (Re-Nano, Re-Thanol, Re-SanPulp
2. Design the end-to-end Microfactory: you will own the responsibility to design the floor plans for the microfactory demo plant and its execution.
3. Understand profoundly the full process of biomaterials/materials/chemistry processing technology of each product.
4. Analyze, interpret data, and be able to propose hypotheses as explanations of phenomena, and design experimental studies to test (disprove) these hypotheses.
5. Lead and collaborate with others to solve complex problems, explain difficult issues, and build collaboration across the team and internal stakeholders.
6. Conduct process engineering tests and reviews of the design of experiments
7. Research, evaluate, and recommend processing equipment, systems, or methods to develop new products including, where possible, automation, and optimization.
8. Responsible for the preparation of a floor plan for the microfactory demo plant
9. Work with the Founders and R&D team to shape and develop technology and engineering roadmaps.


*Your experience*
A background in mechanical engineering is required, any other experience in textile production and manufacturing is a great advantage. Passion for sustainability, entrepreneurial drive with solving-problem mindset next to your dedication to the mission to solve the problem of textile waste will make you the best fit for this role.

In addition, the following experience will help you to be successful in the role:

1. Background in mechanical engineering is a must. Experience in biochemistry, physics and textile engineering is an advantage.
2. Minimum 5 years of experience in a relevant industry specifically in scaling up novel processes and technologies (chemical, manufacturing, industrial or mechanical engineering).
3. Proven experience in design and implementation
4. Deep understanding of Design of Experiment and working with the relevant software.
5. Being on top of technology trends; constantly updated and having a learning drive
6. Knowledge and understanding of processes (enzymatic hydrolysis, Fermentation, Distillation, filtration system, Sanitation) are preferred.
7. Business understanding; demonstrated success working cross-functionally across engineering, marketing, and business development.
8. Hands-on experience with analytical techniques and methodologies.
9. You are fluent in English (German is an advantage).

*Work environment: *
We are open for a 3-4 days a week engagement, based on the mutual arrangement between us, contract-based at first, with options for full in-house employment.
We work remotely with some team meetings in Berlin.
The work includes travels (to visit labs, factories or partners) in Germany and abroad.

To reach our goal, we need a Research Assistant with a background in Mechanical / Material Engineering to support us in the R&D stage. It can be part-time or project-based work.
Working on this project will be working closely with the founders and will take an important part in this research so that we can set up the foundations to produce commercial amounts of our products in Europe. You will have the opportunity to connect your academic knowledge and research skills with business input and have an incredible learning curve. 

*Your main responsibilities:* 
1. Supporting us in overseeing and improving the R&D process.
2. Performing research and market mapping to identify suitable labs and institutes.
3. Initiating connections and building communication based on our project goals.
4.Preparing reports, relevant documentation and lab requests.
5. Support and coordinate the project development with clients, suppliers and other external parties.

​We are open to considering different work formats and collaboration. The project can develop into a prolonged collaboration. Although you will get all the necessary support from us, any experience or background in Material Engineering, Chemical Engineering or Mechanical Engineering is required.

*Your experience:*
To support your success we will provide you with the necessary guidance and existing market study. 
Confidence, problem-solving mindset and entrepreneurial drive will make you the best fit for this role. In addition, the following experience will help you to be the most successful in the role: 
1.Educational background in Material / Mechanical Engineering / Chemistry – Master or PhD.
2.Research mindset with strong analytical thinking, and ideally gained already experience in research projects.
3.Interested in and knowledgeable about greentech, sustainability and circular economy.
4.Passion for the topic, learning drive and a ‘not giving up’ attitude – your research drive will support the business scale-up.
5.You are fluent in both English and German.

*Work environment: *
It’s a part job based on individual availability and potentially can be developed to a full time.
We work remotely with some team meetings in Berlin.
The work requires flexibility for travels (possibly once a month to visit labs, factories or partners) in Germany and abroad).

We are looking for an ambitious Business Development Expert to help us to build the sales and acquisition operations. In this role, you will be working closely with the founders and will cover a big range of responsibilities. The ideal candidate will help us to shape our sales and product direction for the coming year. You will have a great opportunity to be at the forefront of technology that will change the future of textile waste, make a great impact, and have an incredible learning curve.

Your main responsibilities:
1.Conduct a market mapping in order to identify potential clients, partners, providers, and competitors.
2.Develop a strong market understanding of Re-Fresh Global and our value proposition, to be able to communicate with technical stakeholders.
3.Establish and build business relationships in order to conduct our pilot projects and acquire future business leads.
4.Lead the communication with the marketing partner in order to support your sales strategy and business development.
5.Organize your data and deliver your sales report for our investor’s review.

Your experience:
We are open to considering candidates from different experience, nevertheless, backgrounds in machine engineering or materials engineering will make you the ideal expert. Entrepreneurial drive with the ability to engage and persuade will make you the best fit for this role.
In addition, the following experience will help you to be the most successful in the role:
1.Proven experience in sales role in a new market and successfully selling technically complex products or services.
2.An excellent track record of closing deals and meeting your KPIs.
3.Ability to assess and qualify opportunities as well as to set sales and business priorities.
4.Demonstrated knowledge of the textile & sustainability industry or similar key markets – alternatively a strong drive to learn fast.
5.Analytical skills with strong business acumen and a structured outreach.
6.Passion, learning drive and a doer attitude, we’re growing and we want you to grow with us.
7.You are fluent in both English and German.

*Work environment: *
It’s a part job based on individual availability and potentially can be developed to a full time.
We work remotely with some team meetings in Berlin.
The work includes travels (to visit labs, factories or partners) in Germany and abroad.

We are looking for a passionate Communication Coordinator to help us build and strengthen the brand awareness on all our social media platforms. In this role, you will work closely with the founders and the business development lead. You will take part in the strategic direction and will be responsible for its complete execution. The ideal candidate will be able to lead this work independently and will be credited for the impact.

*Your Main Responsibilities: *
1. Create and manage all our content & media in order to build our brand awareness on all our social media platforms (including marketing materials such as press releases, blog posts, and newsletters, etc.).
2. Assist the business development lead in developing and implementing a communications strategy as per the business objectives.
3. Monitor analytics and create reports to help us measure the exposure and KPIs.
4. Identify best channels and stay up to date on industry trends and suggest improvements.
5. Respond to media inquiries and maintain relationships with journalists and other press members as well as identify suitable influences and build strategic partnerships.

*Your experience:*
We are open to considering candidates from different professional backgrounds and diverse experiences. Editorial experience, knowledge of the textile & sustainability industry, creativity, and entrepreneurial drive will make you the best fit for this role.

In addition, the following experience will help you to be the most successful in the role:
1. At least 2 years of proven experience in a similar role + a portfolio that can show the impact of your work
2. In-depth knowledge of digital marketing from strategy design to execution; as well as knowledge of communications and marketing ethics and best practices
3. Editorial skills and strategic communication design – is a plus
4. Excellent time management and organizational skills and ability to set and meet deadlines
5. Analytical thinking and ability to think critically
6. Fluent in English, any additional language is a plus

The positions is part time which allows you a great flexibility also in terms of location. It could develop to a full-time in a later stage.

*Work environment: *
It’s a part job based on individual availability, which offers you freedome to plan your work hours.
We work remotely with some team meetings in Berlin.