About SumUp
At SumUp, we're on a mission to empower small businesses around the world with simple, affordable tools to help them start, run, and grow. More than 4 million merchants across 36 markets trust us as their financial partner — and we're just getting started.
We're a global team of 3,000+ people from over 90 nationalities, united by curiosity, collaboration, and care.
Responsibilities
- Build end-to-end product features for SumUp - from backend APIs to user-facing services (Web, Android, and iOS)
- Integrate with core SumUp systems, databases, and internal tooling
- Write clean, testable, well-documented code following team standards
- Participate fully in team rituals: planning, technical discussions, code reviews, and knowledge-sharing sessions
- Learn and apply engineering best practices across software development, AI systems, and UI/UX design
- Take ownership, iterate quickly on ideas and prototypes, and learn by shipping real features
Requirements
- Recent graduate (Bachelors or Masters), final year student, or early-career professional (0–2 years experience) in Machine Learning, Data Science, Computer Science or related fields
- Understanding of machine learning models (classification, regression, unsupervised learning, etc) and statistics (k-means comparison, etc)
- Hands-on experience with Python and libraries such as pandas, numpy and scikit-learn
- Familiar with Git and collaborative workflows (branches, pull requests)
- Awareness of RDBMS concepts, able to write simple SQL queries, and understands how data is structured and accessed
- Write clean, functional code and actively seek feedback for improvement
- Curious about AI, data, and how technology creates real merchant value
- Fast learner, welcome feedback, and enjoy working in collaborative cross-functional teams
Benefits
- Impact with Purpose: See your impact and ship products used by millions of small businesses worldwide while building SumUp's next-gen AI tools
- Career Path: This program is aimed at fast-tracking graduates into full-time roles with a significant salary increase
- Fueled for Success: Kick off your week with a free SumUp Breakfast every Monday and enjoy subsidized lunches Tuesday through Thursday
- Stay Active Your Way: Whether you're into football, bouldering, or beach volleyball, we have a team for you. Plus, an in-office gym and subsidized Urban Sports Club memberships
- Social by Design: Between our gaming areas, rooftop drinks, and regular social events, you'll find a community that works and plays together