バックエンドエンジニア正社員ミドル · 3年以上ワルシャワハイブリッド
フロントオフィス向けトレーディングアプリケーションの設計、開発、デプロイ、運用を担当します。C#バックエンド開発経験3年以上が必須であり、マルチスレッドプログラミングおよびWPFの実務経験が求められます。週3日のオフィス出社が必須のハイブリッド勤務です。フランスとポーランドの分散チームと連携し、応募には英文履歴書の提出が必須です。
IT (Information Technology)
Permanent contract
Warsaw, Poland
Hybrid
Reference 26000DET
Start date Immediately
Publication date 2026/05/28
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.
Building, delivering, and running applications, using craftsmanship and best coding practices
Developing and supporting features in a functional application chain
Breaking down technical and functional requirements into detailed user stories and collaborating closely with the product owner and business analysts
Delivering and supporting the application via continuous delivery (DevOps)
Writing unit tests, reviewing the code to be delivered and contributing to non-regression testing
Maintaining and improving production support for existing features
Recommending and implementing process and performance improvements
Providing clear, consistent updates to clients and management
Working with the following tech stack: C#, .NET, .NET Framework, ElasticSearch, WPF, MS SQL / PostgreSQL, REST WebAPI, Github, Jenkins, TeamCity, RabbitMQ, Kafka
Methodologies: Agile, TDD
Migration to .NET8
Opportunistic migration from heavy client to REST API & web User Interface
You have at least 3 years of professional experience in backend software development (C#)
You are proficient in multi-threaded programming and have worked with microservices architecture
You have solid experience with WPF and a strong knowledge of its API design as well as best practices of implementation
You communicate in English confidently
You are a team-player, enjoying knowledge sharing, and are proactive in problem-solving
*Please be informed that we will be accepting only resumes in English
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.
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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