C# Developer Trainee - M/F/D
Responsibilities
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.
Your future scope of responsibility will cover:
Contributing to the design, development, and testing of C#/.NET applications supporting investment banking activities.
Working closely with senior developers to deliver scalable and maintainable code in global teams (France, UK, India), using Agile methodologies.
Participation in code reviews and contribution to continuous improvement practices.
Assisting in troubleshooting and debugging production and test issues.
Profile required
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).
Why join us
Your future with Societe Generale will include:
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.
Top-performing trainees will have the opportunity to receive a full-time job offer after the internship ends.
*Please be informed that we will be accepting only resumes in English.
Business insight
At Societe Generale, we are convinced that people are drivers of change, and that the world of tomorrow will be shaped by all their initiatives, from the smallest to the most ambitious.
Your first professional steps are important, and we’re here to provide the best environment for you to show your potential and gain the experience you need. Interns at Societe Generale enjoy a special place in their teams and enjoy a nurturing environment where they can prove themselves. Working with experts, you’ll take part in stimulating projects and build your experience while being accompanied every step of the way.
Internships, work-study contracts, and the V.I.E (International Corporate Volunteers) are excellent pathways towards joining us permanently!
If you too want to be directly involved, grow in a stimulating and caring environment, feel useful on a daily basis and develop or strengthen your expertise, you will feel right at home with us!
Still hesitating?
91% of our interns and V.I.E (International Corporate Volunteers) employees recommend Societe Generale and almost 50% stay with us to build their career.
We are an equal opportunities employer, and we are proud to make diversity a strength for our company. Societe Generale is committed to recognizing and promoting all talents, regardless of their beliefs, age, disability, parental status, ethnic origin, nationality, gender identity, sexual orientation, membership of a political, religious, trade union or minority organization, or any other characteristic that could be subject to discrimination.