Senior C# Developer

Krakow, Poland

Striving for excellence is in our DNA. Since 1993, we have been helping the world’s leading companies imagine, design, engineer, and deliver software and digital experiences that change the world. We are more than just specialists, we are experts.


Currently we are looking for a Senior C# Developer for our Krakow office to make the team even stronger.

The main goal of the role is to take responsibility for GUIs of group of Trading Applications, part of the in-house, real time trading system. Working in this role will enable you to:

- Develop applications with extensive usage of soap based micro-services;
- Experience a true CQRS with event sourced system;
- Create multithreading and async based solutions;
- Contribute to releases to production on a weekly basis;
- Commit to mission critical trade order processing platform.

What is more, you will also have a chance to cooperate with a skilled .NET Architect, participate in the knowledge exchange – which in the long run will provide you with the opportunity to become a real .NET expert or coach.


  • Improving current and developing new features of several trading application GUIs;
  • Working closely with other senior software engineers, PMs, BAs and business users (clients) in order to find best possible technical solution for the project/available requirements;
  • Supporting the production users and investigating issues in production when contacted by support team.


  • Strong core knowledge of .NET 3.0, 3.5, 4.0, 4.5;
  • Experience in WinForms (MVP) or WPF (MVVM, Prism) is a plus;
  • Testing experience (XUnit, NSubstitute);
  • Multi-threading (core knowledge, TPL, async);
  • Understanding of and applying object-oriented concepts, following the best practices and design patterns, developing high quality, maintainable code;
  • Familiarity with Agile methodologies;
  • Working experience in the financial industry (trading) is a plus.

We offer

  • Possibility to be involved in an international project (Canada, China, Hong Kong, Mexico, USA, Switzerland, Germany, Sweden, United Kingdom, Russia, Belarus, Ukraine, Hungary, etc.);
  • Language classes (English and Polish);
  • Vast opportunities for self-development: online courses and library, experience exchange with colleagues around the world, partial grant of certification;
  • Career development center;
  • Possibility to take part in both: corporate and startup environment;
  • Possibility to relocate for short and long-term projects;
  • Relocation package for those who relocates to Krakow, Wroclaw, or Gdansk from other locations;
  • Benefit package (health care, multisport, lunch tickets, petrol vouchers and shopping vouchers, etc.);
  • Fruits on a weekly basis;
  • Sponsored sport activities, E-sport program;
  • We kindly ask you to include the following clause in your application: "Wyrażam zgodę na przetwarzanie moich danych osobowych zawartych w mojej ofercie pracy dla potrzeb niezbędnych do realizacji procesu rekrutacji zgodnie z ustawą z dnia 29 sierpnia 1997 r. o ochronie danych osobowych (Dz. U. z 2002 r. Nr 101, poz. 926, ze zm.)";
  • Please note that only selected candidates will be contacted.