Published on Sept. 15, 2026

Communications & Business Development (Intern)

EcoResQ S.à r.l.-S

About the job

Communications & Business Development (Intern)

Company: EcoResQ SARL-S (SIS)

Location: Luxembourg

Internship Duration: 6 months (full time)

Compensation: €1,500 per month

Expected Start Date: 01 September/October, 2026

About EcoResQ

EcoResQ is an innovative Luxembourg-based start-up building a digital circular economy platform that connects supermarkets, retailers, local communities, residents, businesses, NGOs, and public authorities to reduce waste, promote resource efficiency, and create measurable environmental and social impact. Our vision is to make sustainability accessible to everyone by combining technology, community engagement, and strong local partnerships.

As a rapidly growing start-up, we are looking for passionate individuals who are eager to learn, take initiative, and contribute to building a greener future.

About the Role

We are looking for a highly motivated Communications & Business Development Intern to join our dynamic team.

In this role, you will play a dual-focus role driving both our external communications and business development initiatives. You will help introduce our digital circular economy platform to supermarkets, local communities, residents, businesses, NGOs, and government institutions throughout Luxembourg. You will support strategic outreach, build stakeholder relationships, and execute communication campaigns to grow our social and environmental impact across the country.

This internship offers valuable hands-on experience in business development, strategic communications, stakeholder engagement, and partnership building within an innovative international start-up.

Key Responsibilities

· Support business development and platform growth initiatives by identifying and engaging potential partners, local businesses, and supermarkets.

· Develop and maintain strong relationships with supermarkets, retailers, local communities, residents, municipalities, NGOs, universities, and government institutions.

· Design and execute communication and digital marketing campaigns to elevate EcoResQ's brand awareness.

· Create engaging content for LinkedIn, Facebook, Instagram, newsletters, and other digital channels.

· Participate in community outreach, presentations, workshops, and promotional events to represent EcoResQ.

· Assist with partnership development, contract discussions, and stakeholder engagement.

· Conduct market research, competitor analysis, and collect stakeholder feedback to optimize business strategies.

· Work closely with the EcoResQ team to improve user acquisition, stakeholder engagement, and community impact.

Candidate Profile

We are looking for someone who is:

· Currently pursuing or recently completed a Bachelor's or Master’s degree in Business Development, Communications, Marketing, Public Relations, Sustainability, or a related field.

· Fluent in English and French (spoken and written); German, or Luxembourgish language skills are a strong advantage.

· Confident using Microsoft Office, Google Workspace, and major social media platforms.

· Excellent at communication, negotiation, and relationship building.

· Comfortable speaking with people from different cultural and professional backgrounds.

· Positive, energetic, proactive, and self-motivated.

· Passionate about sustainability, innovation, entrepreneurship, and the circular economy.

· Able to work independently while also collaborating within a multicultural team.

· Available to live and work in Luxembourg during the internship.

What We Offer

· €1,500 monthly internship allowance.

· A unique opportunity to join an innovative Luxembourg start-up from an early stage.

· Hands-on experience working on real-world business development and sustainability projects.

· Direct collaboration with supermarkets, businesses, NGOs, municipalities, universities, and public institutions.

· A multicultural and entrepreneurial working environment.

· Mentorship from experienced professionals and founders.

· Opportunities to build an international professional network.

· Outstanding performers may be considered for future employment opportunities with EcoResQ.

Work Authorization

Visa sponsorship is not provided. Applicants must already have the legal right to work or undertake an internship in Luxembourg.

How to Apply

If you are driven by technology and want to make a real difference in sustainability, please send your CV to info@ecoresq.com with the subject line: Communications & Business Development Intern Application - [Your Name].

Pay: From €1,500.00 per month

Work Location: In person

Apply Now

Required skills

No specific skills listed for this position