Published on Jan. 6, 2026

Intern - Java Developer (f/m/d)

Deutsche Börse

About the job

Build the future of financial markets. Build yours.

Ready to make a real impact in the financial industry? At Deutsche Börse Group, we'll empower you to grow your career in a supportive and inclusive environment. With our unique business model, driven by 15,000 colleagues around the globe, we actively shape the future of financial markets. Join our One Global Team!

Want to learn more?

Who we are

Deutsche Börse Group is one of the world’s leading exchange organisations and an innovative market infrastructure provider. With our products and services, we ensure that capital markets are fair, transparent, reliable, and stable. Together, we develop state-of-the-art IT solutions and offer our IT systems all over the world.

Within the Deutsche Börse Group, Clearstream is an international central securities depository (ICSD). It provides post-trade infrastructure and securities services for the international market and 59 domestic markets worldwide, with customers in 110 countries.

Luxembourg

Your career at Deutsche Börse Group

Your area of work:

Join our Post Trade IT team and contribute to the backbone of our post-trading and issuance business. We operate and develop enterprise connectivity middleware IT infrastructure, systems, and applications, driving technology transformation and convergence across platforms.

This internship provides an exceptional opportunity to gain practical experience in Java engineering. You will assist in rebuilding and scaling services for swift message processing, ensuring alignment with existing CI/CD pipelines, infrastructure automation, and cloud deployment while adhering to secure software development principles.


Your responsibilities:

  • Understand penalty reporting workflow including current limitations in terms of scale and volume.
  • Support the team to design and implement alternative solutions and eliminate its current limitations.
  • Help document all processes, decisions and algorithms to support team knowledge sharing and maintenance.
  • Follow the clean code principles and assure good test coverage. The code should be self-explanatory and documentation should be part of it.
  • Consider operational monitoring and logging in early stage of development to maintain system health and performance.
  • Collaborate within a team. Follow JIRA workflows for change, delivery and deployment process.

Your profile:

  • You are enrolled in a bachelor's or master's degree programme in IT with a recognized institution and can provide an internship agreement, OR have graduated with a bachelor's degree or similar for no more than 6 months
  • Basic understanding of OOP, Java and SQL. Experience with XML data processing.
  • Basic understanding of Java IDE and ability to build and test Gradle projects.
  • Proficiency in Shell scripting and basic understanding of Unix-like environments.
  • Experience with Git version control.
  • Self-starter with the ability to work independently with minimal supervision.
  • Strong willingness to learn new technologies and tools in design and coding ecosystem.
  • Excellent collaboration and communication skills; ability to work in a team-oriented environment.
  • Fluent in English (written and spoken) for collaboration with teams in Luxembourg and Czech Republic.

Why Deutsche Börse Group?

We are committed to providing a work environment where everyone feels welcome and can reach their full potential. Our standards go far beyond simply matching candidates with the right position.

Mobility

We enable you to move freely with our job tickets, job (e-)bikes and free parking opportunities.

Work environment

Collaboration, communication, or deep focus – in our modern office buildings you will find the perfect work environment. Free drinks and food and meal allowances included.

Health and wellbeing

We care for your health and wellbeing and besides various health promotion measures we offer you a group accident insurance and additional insurance offers at discounted rates.

Financial stability

We provide financial stability by offering attractive salaries, company pension schemes, participation in our Group Share Plan, as well as bonuses, subsidies and discounts.

Hybrid work

Collaborate and exchange on-site or work remotely several days a week in line with business needs and local regulations. Our hybrid working model combines the best of both worlds.

Flexible working hours

We want your job to fit your life situation and offer flexible working time models, childcare allowance, or the possibility to study alongside your job.

Internationality

Our market infrastructures are globally connected. Working with us means collaborating with like-minded colleagues across over 60 locations from more than 100 nations.

Development

We promote individual development by offering internal development programmes, mentoring, further education and training budgets.

Contact

Ninwe Gourie – Campus Recruiting

Are you interested in an internship, an apprenticeship or a working student job?


+496921111810

Our Campus Recruiting Team is looking forward to your call or e-mail.

Apply Now

Required skills

English SQL Financial Markets Java Git Data Processing JIRA Performance Optimization XML Post-Trade Infrastructure Gradle Shell scripting Unix-like environments System Monitoring