We drive the transformation of the financial markets. That’s why we invest in bright minds, in their ideas, knowledge and development. We do that by combining our best sides.


If you would like to find out why stability makes us so agile, why experience makes us so curious and why empathy makes us so impactful, apply now for the position of



 Intern Software Engineering - Data Intake (80-100%)

Warsaw | working from home up to 60% | Reference 5252



We are looking for a motivated team player to join SIX for a six- or twelve-month internship. The role will be based at our Warsaw office. You will join our Data Intake Team and assist them with migrating financial data feeds that are currently fed into our system using a SIX proprietary DSL (domain-specific language) from an older version to a more recent one. This will enable us to code the business logic of the feeds faster and overcome several serious issues, such as "embedded C code". In order to support the development of your skills, we will pair you with a technical buddy.



What You Will Do

  • daily programming of financial data feeds in an agile environment
  • modernizing the old DSL implementation
  • improving unit test coverage in the system using TDD methodology
  • working within SAFe framework

What You Bring

  • knowledge of C and C++ development
  • familiarity with Linux systems
  • basic knowledge of computer science, e.g. algorithms and data structures
  • basic knowledge of financial information will be a plus
  • fluent English

If you have any questions, please call Gabriela Swiatek at +48 22 104 67 70.


For this vacancy we only accept direct applications in English.


Diversity is important to us. Therefore, we are looking to receive applications regardless of any personal background. 

What We Offer

Flexible Work Models
We trust our employees and offer a work environment that is well-balanced, productive and fosters success. 

Personal Development
You will benefit from a culture of continuous learning and feedback. Your personal growth is supported through an extensive learning offering.

Agile Working Methods 
Whether through scrum or design thinking,
we solve exciting tasks together in teams.