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C# Developer
IT (Information Technology)
Permanent contract
Warsaw, Poland
Hybrid
Reference 26000DET
Start date Immediately
Publication date 2026/05/28
Responsibilities
Our Market Technologies and Operations (MTO) division is part of the Global Business Service Unit in Société Générale. We support a wide range of activities, from booking and pricing to contribution and full front-to-back processes for Fixed Income, Currencies, and Commodities products.
The Trading Tool team is responsible for developing and maintaining front-office trading applications that are used daily by traders for market making.
As a C# Developer you will play a vital role in the full software development life cycle (SDLC) - designing, building, testing, and deploying high-performance applications. You will work closely with a distributed team (based in France and Poland) in a fast-paced, collaborative environment were English is the main working language.
Your future scope of responsibility will cover:
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Building, delivering, and running applications, using craftsmanship and best coding practices
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Developing and supporting features in a functional application chain
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Breaking down technical and functional requirements into detailed user stories and collaborating closely with the product owner and business analysts
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Delivering and supporting the application via continuous delivery (DevOps)
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Writing unit tests, reviewing the code to be delivered and contributing to non-regression testing
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Maintaining and improving production support for existing features
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Recommending and implementing process and performance improvements
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Providing clear, consistent updates to clients and management
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Working with the following tech stack: C#, .NET, .NET Framework, ElasticSearch, WPF, MS SQL / PostgreSQL, REST WebAPI, Github, Jenkins, TeamCity, RabbitMQ, Kafka
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Methodologies: Agile, TDD
Some milestones to be expected this year:
Profile required
You will be best suited for this role if:
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You have at least 3 years of professional experience in backend software development (C#)
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You are proficient in multi-threaded programming and have worked with microservices architecture
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You have solid experience with WPF and a strong knowledge of its API design as well as best practices of implementation
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You communicate in English confidently
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You are a team-player, enjoying knowledge sharing, and are proactive in problem-solving
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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C# Developer
Permanent contract
Warsaw, Poland
Hybrid
Responsibilities Profile required Why join us Business insight Diversity and Inclusion
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