Sustainability Working Student

What you'll bring

• Enrolment in a Master's or PhD programme in sustainability, finance, controlling, or similar.
• Strong data and analytical skills; close eye for detail when working with data and documentation.
• Confidence using spreadsheets and comfort working across different reporting formats.
• AI fluency, with hands-on experience using LLMs and building agents to produce high-quality outputs.
• Strong communication skills and the ability to coordinate tasks, follow up with colleagues across teams, and keep projects moving towards clear goals.
• Quick to learn new tools and systems, with a proactive and practical approach.

Why you should join SumUp

• 🌎 Opportunity to work with SumUppers globally on fintech products used by millions of businesses worldwide, from our Berlin office at Ostbahnhof
• 🌈 Be part of an inclusive and collaborative environment where different perspectives are valued
• 🏖️ 28 days of paid leave plus public holidays and special leave days, pro-rated
• 🚵🏾‍♂️ Access health and well-being support through our Employee Assistance Programme, an Urban Sports Club subsidy, and fitness activities, including on-site gym access, yoga sessions, and team sports
• 🚆 Benefit from subsidised public transport with the Deutschlandticket, offering unlimited travel on local and regional transport across Germany
• 🥗 Enjoy partially subsidised office lunches and weekly breakfast
• 🔗 Receive additional rewards through our employee referral programme when referring talents to join our team

About SumUp

Be empowered to do more that matters.

At SumUp, we're on a mission to empower small businesses across the globe by providing simple and affordable tools that allow them to thrive. Today, over 4 million businesses in 39 markets rely on SumUp as their financial partner to manage payments, finance and customer relationships.

Our commitment to small businesses is reflected in our diverse team of over 4,000 SumUppers from over 90 nationalities, united by global collaboration and an innovative mindset. Our core values lay the foundation for who we are and what we stand for, shaping our work culture and driving our success. We foster inclusivity and a continuous learning culture, providing a safe space for personal and professional growth. Our differences make us unique and strong as we strive to create an environment where everyone belongs and feels supported, no matter how they identify.

SumUp is proud to be an Equal Employment Opportunity employer, actively seeking and embracing diversity in our workforce. We don't make hiring or employment decisions based on race, colour, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age or any other basis protected by applicable laws or prohibited by company policy. Our commitment extends beyond recruitment to creating a safe and respectful workplace where harassment of any form is strictly prohibited. Discover more about our culture and opportunities on our careers website , and follow our journey on LinkedIn , Instagram , and TikTok .

Job Application Tip

We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.

We show an excerpt and a link, and the full text when the source allows it. Brands and logos shown belong to their owners.

Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation