Senior Fullstack .NET Developer (f/m/x)
⚲ Wrocław, Fabryczna
Do uzgodnienia
Wymagania
- C#
- ASP.NET Core
- React.js
- JavaScript
- WPF
- REST
- Entity Framework
- Microsoft Azure
- Git
Opis stanowiska
Nasze wymagania:
At least 6 years of experience as a .NET/Fullstack Developer
Strong hands-on experience with C#, ASP.NET Core, and React/JavaScript
Knowledge of monolithic architectures and refactoring approaches
Experience with WPF or willingness to maintain existing desktop components
Very good English (B2+) for daily communication in an international environment
Fluent in Polish required
Residing in Poland required
O projekcie:
We are looking for a highly experienced Fullstack .NET Developer with strong React skills to join a long‑term project delivered by Sii for an international organization recognized for its advanced laboratory and diagnostics technologies. You will work on the development and modernization of complex systems, including legacy monolithic applications and WPF components, while contributing to new features built on ASP.NET Core and modern JavaScript frameworks.
The role is hybrid, with 2–3 days per week in our Wrocław office.
If you're ready for your next big challenge — apply now!
Zakres obowiązków:
Design, develop, and maintain fullstack applications using ASP.NET Core, C#, and React
Modernize and refactor existing monolithic systems, ensuring performance and scalability
Implement and enhance UI components, including working with WPF where necessary
Collaborate with cross‑functional teams on architecture, code reviews, and technical direction
Troubleshoot, optimize, and ensure high-quality, testable, and maintainable code
Oferujemy:
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
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People
At least 6 years of experience as a .NET/Fullstack Developer
Strong hands-on experience with C#, ASP.NET Core, and React/JavaScript
Knowledge of monolithic architectures and refactoring approaches
Experience with WPF or willingness to maintain existing desktop components
Very good English (B2+) for daily communication in an international environment
Fluent in Polish required
Residing in Poland required
O projekcie:
We are looking for a highly experienced Fullstack .NET Developer with strong React skills to join a long‑term project delivered by Sii for an international organization recognized for its advanced laboratory and diagnostics technologies. You will work on the development and modernization of complex systems, including legacy monolithic applications and WPF components, while contributing to new features built on ASP.NET Core and modern JavaScript frameworks.
The role is hybrid, with 2–3 days per week in our Wrocław office.
If you're ready for your next big challenge — apply now!
Zakres obowiązków:
Design, develop, and maintain fullstack applications using ASP.NET Core, C#, and React
Modernize and refactor existing monolithic systems, ensuring performance and scalability
Implement and enhance UI components, including working with WPF where necessary
Collaborate with cross‑functional teams on architecture, code reviews, and technical direction
Troubleshoot, optimize, and ensure high-quality, testable, and maintainable code
Oferujemy:
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
Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
Comfortable workplace – class A offices or remote work
Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
Investment in your growth – meetups, webinars, training platform and technology blog – you choose
Fantastic atmosphere created by all Sii Power People
🔍 Dekoder Ogłoszenia
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Knowledge of monolithic architectures and refactoring approaches
Może oznaczać pracę z bardzo starym, trudnym do utrzymania kodem, który wymaga gruntownych zmian.
🔴
Experience with WPF or willingness to maintain existing desktop components
Oznacza, że część pracy będzie polegała na utrzymaniu lub rozwijaniu starszych aplikacji desktopowych, co może być mniej atrakcyjne niż praca nad nowoczesnymi rozwiązaniami webowymi.
🟡
long‑term project
Może oznaczać stabilność zatrudnienia, ale też potencjalnie długotrwałą pracę nad systemami, które niekoniecznie są na bieżąco aktualizowane.
🔴
modernization of complex systems, including legacy monolithic applications
Podkreśla, że projekt obejmuje pracę nad starymi, skomplikowanymi systemami, co może być wyzwaniem technicznym, ale też czasochłonne i frustrujące.
🔴
ready for your next big challenge
Sugeruje, że projekt może być trudny, wymagający i potencjalnie stresujący, a niekoniecznie tylko ekscytujący.