Possible locations
  • Białystok
  • Bydgoszcz
  • Kraków
  • Częstochowa
  • Gdańsk
  • Gliwice
  • Katowice
  • Łódź
  • Lublin
  • Piła
  • Poznań
  • Rzeszów
  • Szczecin
  • Toruń
  • Warszawa
  • Wrocław
  • Remote work
Technologies & tools
  • .NET
  • C#
  • WCF
  • Web API
  • .NET Core
  • WinForms

We are looking for a .NET Developer for one of our projects in the banking sector. The team you will join is responsible for developing and maintaining applications for transactions, negotiations, reservations and workflow/events. The application is used daily by traders and sellers.

You will be part of an extended functional team operating between France and Poland.

Your role

  • Working in a team-oriented environment, developing and supporting features in a functional applicative chain
  • Developing software using best practices (Behavior Driven Development, Test Driven Development)
  • Writing unit tests, reviewing the code to be delivered and helping the global team with non-regression testing
  • Proposing recommendations for process improvement
  • Giving clear and consistent reports to the clients and management
  • Ensuring the alignment with the guidelines and practices from the chapter
  • Providing production support for an existing application feature

Your skills
  • Bachelor's or Master's degree in computer science, information technology or a related technical field
  • At least 3-5 years of relevant professional experience
  • Experience in .NET Framework and .NET Core development (.NET Framework 4.8 and .NET Core 6, WinForms, WCF, Web API)
  • Knowledge of databases/SQL (Oracle or Sybase preferred)
  • Familiarity with Windows servers
  • Ability to work in an international and distributed team environment
  • Critical thinking and problem-solving skills
  • Fluent knowledge of English

Job no. 240926-LL83K

Why Sii

Great Place to Work since 2015

it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas

Fascinating projects

prestigious brands from around the world, long-term contracts and preferred partner status for many clients

Project suited to you

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We share the profit with Workers

Last year we allocated PLN 2,1BN to this benefit

PLN 500 000 per year for your ideas

with this amount, we support the passions and voluntary actions of our workers

7 500 experts and many development opportunities

Tech Communities, workshops, a training platform, and a technology blog – you choose

Employment stability

revenue of EUR 480M, no debts, since 2006 on the market

Great, comfortable offices

perfect place to work, integrate, have fun together, and celebrate successes

Open-minded and available management team

quick decision-making, we’re all on a first-name basis

True values

these are not empty words – we’re guided by them every day

Fantastic atmosphere

created by all Sii Power People

Attractive benefits package

private healthcare, benefits cafeteria platform, car discounts and more

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