Worldline
Working Student Java Development (m/w/d)
Skills
6 days ago
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Important information
Contract type:
Internship
Location:
52 Aachen, Germany
Work mode:
Onsite
Published on:
13 October 2026
What they need
Who We Are Worldline helps businesses of all shapes and sizes to accelerate their growth journey - quickly, simply, and securely. We are the innovators at the heart of the payments technology industry, shaping how the world pays and gets paid. Our technology powers the growth of millions of businesses across 5 continents. And just as we help our customers accelerate their business, we are committed to helping our people accelerate their careers. Together, we shape the evolution.
The opportunity We are looking for a part-time student assistant (m/f/d) for 15-20 hours per week at the Aachen location to strengthen the Open Banking department. The Open Banking division deals with trends towards new payment methods on the Internet and on mobile devices, often taking into account the relevant European regulations and initiatives, e.g. Wero and Digital Euro.
You will strengthen our software team that designs, develops, and hosts applications for these alternative payment methods.
Day-to-day Responsibilities
- you develop JEE-applications
- you contribute to making our applications easily testable
- you design and implement RESTful APIs being used by our customers
- you help improving our processes with tools
Who Are We Looking For
You are enrolled at a university
you have first experiences with the following tools and technologies:
Java-EE
REST Web-services
relational databases
GIT version control or equivalent
Maven build tool or equivalent
Your German and English skills are fluent, both written and spoken
You are communicative, independent and like to work independently
Perks & Benefits
- variable weekly hours according to your study plan
- Possibilities for mobile working & flexible working hours
- Pleasant working atmosphere in an international team with approx. 20 employees on site in Aachen
Shape the evolution We are on an exciting journey towards the next frontiers of payments technology, and we look for big thinkers, people with passion, can-do attitude and a hunger to learn and grow. Here you'll work with ambitious colleagues from around the world, take on unique challenges as a team, and make a real impact on the society. With an empowering culture, strong technology and extensive training opportunities, we help you accelerate your career - wherever you decide to go. Join our global team of 18,000 innovators and shape a tomorrow that is yours to own.
Learn more about life at Worldline at jobs.worldline.com
We are proud to be an Equal Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, gender expression, age, status as an individual with a disability, or any applicable legally protected characteristics.
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