Susquehanna’s technology teams build some of the most powerful trading systems in the world. 10-week summer internship is widely recognised as being the best in industry. Our dedicated team of senior traders focuses on your training and development, something we believe truly sets us apart. 

You will be working with Software Developers who have a constant focus on evolving a stable, scalable, optimized environment with minimized risk. Our growing team of analysts, developers, infrastructure engineers and support specialists design, deliver and optimize industry leading technical solutions that can process large amounts of data, ensuring high performance and stability.  

Apply here if you would like to be notified when the applications open for the 2026 Software Development Summer Internship in our Dublin office. 

Our internships are 10 weeks long, running from the end of June to the end of August. 

Who You Are: 

• Have completed at least 2 years of university, ideally in a STEM degree.  

• You have strong software development skills in any object-oriented language (we use C#, C++ & Python mostly). You also have an understanding of algorithms, data structures, and object-oriented design patterns. 

• Available to start full time employment within 12 months of completing the internship. 

• As this role is fully based in Dublin applicants must be legally eligible to work in Ireland.   

What you’ll receive: 

• Training and mentoring from some of the best in the industry. 

• Office perks like free catering, in-house gym, games room. 

• Excellent renumeration package. 

• Social events every weekend. 
• Accommodation is provided to interns not from Dublin. 

Susquehanna is an equal opportunity employer, and we are committed to diversity and inclusion throughout our recruitment process. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruitment process, please contact us.

We don't post salary ranges externally so any salary estimate you see listed on a third party website was not provided by Susquehanna and may not be accurate.

Susquehanna does not accept unsolicited resumes from recruiters or search firms. Any resume or referral submitted in the absence of a signed agreement will become the property of Susquehanna and no fee will be paid.