Must have

• .NET

• C#

• English

Nice to have

• WPF

• WinForms

• REST API

Requirements description

• Student status for the entire duration of the internship (ideally students in Computer Science/Software Engineering, or a related field; planned to start the internship – March 2026).
• Good understanding of OOP principles and basic design patterns.
• Familiarity with SQL databases.
• Familiarity with REST APIs, unit testing frameworks, or WPF/WinForms is an asset.
• Very good command of spoken and written English.
• Availability (min. 30 hours per week).

Offer description

Are you a motivated computer science student eager to gain real-world experience in the investment banking sector?

Join our C# Developer Internship Program and become a part of a growing IT Hub in Warsaw that is shaping the future of banking technology.

As a trainee, you will work alongside experienced engineers and business teams to deliver robust, scalable applications in a fast-paced environment. This is more than a typical internship – it is an opportunity to grow your skills and secure a future role in our expanding technology team.

Our offer:

• Top-performing trainees will have the opportunity to receive a full-time job offer after the internship ends.
• Work in a pleasant atmosphere, in a brand new central-Warsaw office, as part of an international team,
• Opportunity to develop your career in an innovative multinational banking corporation,
• A chance to gain unique experience from experts in the investment banking field,
• Contract of mandate with attractive salary,
• Flexible working hours accommodating your studies in a hybrid work mode,
• Buddy's support - your mentor will be your guide at Societe Generale.

*Please be informed that we will be accepting only resumes in English.

Your responsibilities

1. Contributing to the design, development, and testing of C#/.NET applications supporting investment banking activities.
2. Working closely with senior developers to deliver scalable and maintainable code in global teams (France, UK, India), using Agile methodologies.
3. Participation in code reviews and contribution to continuous improvement practices.
4. Assisting in troubleshooting and debugging production and test issues.