Permanent contract SG CIB

C# Developer


Warsaw, Poland Hybrid
Reference 26000MWS Start date 2026/12/01 Publication date 2026/10/29

Responsibilities

Join our Fixed Income, Forex and Credit (FFC) teams as a C# Developer and contribute to the software development in a dynamic Agile Feature team by taking on an exciting challenge of driving the animation of deal processing for our corporate and investment banking. In high impact collaboration with EMEA, Asia and Amer team you will be able to assist in the transformation to Microservice Architecture, gain deep functional expertise, tackle complex challenges and thrive in an innovative growth drive environment.

You will work across all phases of the SDLC – from business analysis and technical design to development, testing and deployment – ensuring high performance and reliability. You'll be a part of an internationally distributed team (based in France, India, Canada and Poland) and help drive innovation in a fast-paced trading environment.

*We're hiring multiple C# Developers to join this growing team. Even if this posting has been online for some time, we'd still encourage you to apply, as we continue to recruit more than 1 opening. 

Your responsibilities will include:

  • Building, delivering, and maintaining high-quality applications while applying software craftsmanship best practices

  • Designing, developing, and supporting features across the application lifecycle

  • Gaining exposure to a wide range of financial domains, including Pre-Trade, Deal Processing, Risk, and Middle & Back Office functions

  • Providing production support and ensuring the reliability of existing application features

  • Identifying opportunities for process and system improvements and driving related initiatives

  • Communicating clearly and effectively with stakeholders, clients, and management

  • Writing unit tests and participating in code reviews to ensure high-quality

Profile required

You'll be best suited for this role if :

  • You have at least 3 years of professional experience in C#/.NET backend development

  • You havehands-on experience with some of the technologies in our stack, including .NET, .NET Framework, MS SQL Server, Oracle, PostgreSQL, WinForms, DevExpress, ASP.NET, REST APIs, gRPC, RabbitMQ, GitHub, Gerrit, Jenkins, and TeamCity

  • You communicate confidently in English (French proficiency would be an asset)

  • You enjoy working collaboratively and are eager to share knowledge with others

  • You take ownership of your work and have a proactive, problem-solving mindset

Why join us

Your future with Societe Generale will include:

  • Work in a pleasant atmosphere as part of an international team in a brand-new office in the center of Warsaw, designed with facilities for people with disabilities

  • An active role in an international structure and the opportunity for growth

  • Access to educational platforms and language courses

  • Stability

  • Competitive salary based on seniority and skills

  • Support in quick adaptation in the company

  • Extraordinary health package with extensive dental care

  • Hybrid work (3 office days per week) and one-time bonus for home office equipment

  • Even more benefits such as meal allowance, holiday fund, sports card and insurance

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

Business insight

At Société Générale, 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.

Whether you’re joining us for a period of months, years or your entire career, together we can have a positive impact on the future. Creating, daring, innovating and taking action are part of our DNA.

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?

You should know that our employees can dedicate several days per year to solidarity actions during their working hours, including sponsoring people struggling with their orientation or professional integration, participating in the financial education of young apprentices, and sharing their skills with charities. There are many ways to get involved.

Diversity and Inclusion

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 organisation, or any other characteristic that could be subject to discrimination.
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