May 21, 2026

.Net Developer

Senior • Hybrid

16,000 - 20,000 PLN

Krakow, Poland

At Aristocrat Interactive, we are devoted to crafting innovative gaming experiences that captivate and entertain millions around the world. As a .NET Developer, you will play a pivotal role in upholding our reputation for excellence and innovation. Our mission is to bring happiness to life through the power of play, and we are committed to encouraging a culture of inclusion, collaboration, and relentless ambition. You'll be joining a team that thrives on tackling ambitious projects and delivering world-class solutions.

Acts as the technical authority within the team — designing scalable architectures, guiding implementation, and ensuring reliability across distributed systems and integrations.

What You'll Do

  • Software Development: Develop high-quality software solutions using .NET technologies.

  • Feature Development: Collaborate with cross-functional teams to create new features and enhance existing software.

  • Maintenance and Support: Identify, resolve, and improve existing software issues efficiently. Investigate and analyze legacy systems.

  • Team Collaboration: Assist and support other team members to achieve common goals.

  • Scrum Participation: Work within a Scrum methodology, attending daily stand-ups, sprint planning, and retrospectives.

  • Code Reviews: Participate in code reviews to ensure code quality and maintainability.

  • Documentation: Write detailed guides for the software you create to help others understand and improve it later.

  • Continuous Improvement: Stay updated with the latest tools and practices in .NET development to enhance processes and solutions.

What We're Looking For

  • 3+ years of server-side web application development experience.

  • Strong knowledge and proficiency in the .NET Framework and C# language.

  • Understanding of various software architecture types and patterns.

  • Strong self-learning capabilities and willingness to acquire new skills as needed.

  • Good communication and collaboration skills; a great teammate.

  • Independent, responsible, proactive, and hard-working.

  • Logical thinker with excellent problem-solving skills.

  • English level: Intermediate — reading/writing documents, daily meetings with teams.

Preferred Qualifications:

  • Bachelor's Degree in Computer Science, Engineering, or a related field.

  • Familiarity with Docker, Kafka, Dapper, gRPC, WCF, Redis, ASP.NET Core/Web API/MVC, VB, Web Forms, and JavaScript.

  • Solid understanding of relational databases.

  • Good knowledge of unit testing practices.

  • Experience in iGaming or ILotteries development.

Why Aristocrat?

Aristocrat is a world leader in gaming content and technology, and a top-tier publisher of free-to-play mobile games. We deliver great performance for our B2B customers and bring joy to the lives of the millions of people who love to play our casino and mobile games. And while we focus on fun, we never forget our responsibilities. We strive to lead the way in responsible gameplay, and to lift the bar in company governance, employee wellbeing and sustainability. We’re a diverse business united by shared values and an inspiring mission to bring joy to life through the power of play.

We aim to create an environment where individual differences are valued, and all employees have the opportunity to realize their potential. We welcome and encourage applications from all people regardless of age, gender, race, ethnicity, cultural background, disability status or LGBTQ+ identity. EEO M/F/D/V

  • World Leader in Gaming Entertainment

  • Robust benefits package

  • Global career opportunities

Our Values

  • All about the Player

  • Talent Unleashed

  • Collective Brilliance

  • Good Business Good Citizen

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Warsaw, Poland

12,000 - 16,000 PLN

🏢 Summary: Offer for a .NET Software Developer role focused on building, developing, and maintaining large-scale enterprise systems in banking and financial domains. The position involves working on both back-office and front-end applications, ensuring high code quality, test coverage, and CI/CD processes. The role includes system integration, performance considerations, and ongoing system support. 🗂️ Requirements: Minimum 3 years commercial experience as a developer, Very good knowledge of C#, Very good knowledge of .NET Framework, Very good knowledge of Visual Studio, Very good knowledge of SQL, Experience with MS SQL Server 2019+, Understanding of ACID and transactions, Experience in building multithreaded solutions, Experience in integrating with external systems, Experience with WinForms applications, Very good knowledge of REST API, Very good knowledge of JavaScript, Very good knowledge of TypeScript, Very good knowledge of Angular 18+, Good knowledge of Entity Framework, Ability to write unit tests, Experience with CI/CD processes, Ability to create technical documentation, Willingness to provide 24/7 support 📃 Skills: C#, .NET, SQL, MSSQL, ACID, WinForms, REST, JavaScript, TypeScript, Angular, EntityFramework, CI/CD, Docker, Kafka, IBMMQ, WCF, DevExpress, OIDC, VisualStudio 🏢 Description: Jako .NET Software Developer będziesz tworzył i rozwijał duże systemy klasy enterprise, są to między innymi obszary bankowości korporacyjnej, bankowości transakcyjnej czy produkty faktoringowe . Realizujemy kompleksowe rozwiązania obejmujące back-office, jak i aplikacje frontowe. Dołączając do nas będziesz mieć realny wpływ na kształt systemu . Zależy nam na jakości naszych produktów i rozumiemy, że praca jest bardziej efektywna bez konieczności ciągłego przełączania się między kontekstami. Od ponad 25 lat tworzymy kompleksowe i zaawansowane technologicznie oprogramowanie dla banków i instytucji finansowych. Mamy na pokładzie ponad 100 ciekawych osób i produkty zmieniające usługi finansowe. Gramy zespołowo, dbamy o dobrą atmosferę, komunikujemy się otwarcie i szanujemy się nawzajem. To dla nas kluczowe zasady. Jesteśmy otwarci na innowacje. Cenimy samodzielność, niezależność i inicjatywę oraz chęć dzielenia się wiedzą. Twoje zadania tworzenie, rozwój i utrzymywanie systemów wykonywanie code-review (z czasem) dbanie o test coverage dbanie o buildy CI / proces CD dbanie o jakość i user experience naszych systemów przygotowywanie paczek i wsparcie przy wdrażaniu nowych wydań naszych systemów Nasze wymagania minimum 3 lata doświadczenia doświadczenia komercyjnego na stanowisku programisty bardzo dobra znajomość C#, .NET Framework, Visual Studio bardzo dobra znajomość SQL, zwłaszcza w wydaniu MS SQL Server (2019+), wiedza czym jest ACID, transakcyjność doświadczenie w tworzeniu rozwiązań (najlepiej wielowątkowych) integrujących się z zewnętrznymi systemami doświadczenie z aplikacjami WinForms bardzo dobra znajomość REST API bardzo dobra znajomość JavaScript / TypeScript / Angular (18+) dobra znajomość Entity Framework umiejętność pisania unit testów umiejętność czytania i współtworzenia dokumentacji technicznej chęć ułatwiania sobie życie poprzez automatyzację powtarzalnych zadań (na przykład w obszarze CI/CD, skrypty) zaangażowanie i praca zespołowa gotowość do świadczenia serwisu 24/7 (dodatkowo płatny) Mile widziane Dużym plusem będzie jeśli znasz się na zagadnieniach bądź systemach związanych z bankowością/finansami Znajomość: Dockera, Kafka, IBM MQ, WCF, DevExpress, OIDC Oferujemy możliwość poznania nowych technologii i nowoczesnych metodyk budowy oprogramowania gwarancję rozwoju zawodowego dzięki ciągłemu strumieniowi nowych projektów pracę zdalną ze spotkaniami w naszym biurze w Warszawie raz na kilka tygodni bezpłatną opiekę medyczną bezpłatne doskonalenie języka angielskiego (zajęcia z native speakerem) dofinansowanie do karty Multisport miłą i swobodną atmosferę pracy Jesteś ciekawy/a jak wygląda nasz proces rekrutacyjny? Chcesz do nas dołączyć? Wyślij swoje CV ze zdjęciem i linkiem do profilu na LinkedIn! Jeśli Twoje CV wpisze się w nasze oczekiwania, spodziewaj się: telefonu z naszego zespołu HR 1,5-godzinnej rozmowy online z naszym architektem, podczas której sprawdzimy Twoje umiejętności techniczne spotkania rekrutacyjnego z managerem zespołu, do którego prowadzimy rekrutację oferty współpracy bądź feedbacku z podziękowaniem za udział w procesie rekrutacji

Technology

BMS sp. z o.o.

.NET Software Developer

Mid

Remote

Warsaw, Poland

12,000 - 16,000 PLN

🏢 Summary: The role involves developing and maintaining large-scale enterprise systems for the banking and financial sector, covering both back-office and front-end applications. The developer will contribute to system architecture, code quality, CI/CD processes, and integrations with external systems. The position offers real impact on product development within technologically advanced financial solutions. 🗂️ Requirements: Minimum 3 years of commercial experience as a developer, Very good knowledge of C# and .NET Framework, Very good knowledge of SQL and MS SQL Server (2019+), Understanding of ACID and transactional systems, Experience with integration with external systems, Experience with multithreaded solutions, Experience with WinForms applications, Very good knowledge of REST API, Very good knowledge of JavaScript, TypeScript and Angular (18+), Good knowledge of Entity Framework, Ability to write unit tests, Experience with CI/CD and build processes, Ability to create technical documentation, Willingness to provide 24/7 support 📃 Skills: C#, .NET, SQL, MSSQL, ACID, WinForms, REST, JavaScript, TypeScript, Angular, EntityFramework, CI/CD, Docker, Kafka, IBMMQ, WCF, DevExpress, OIDC 🏢 Description: Jako .NET Software Developer będziesz tworzył i rozwijał duże systemy klasy enterprise, są to między innymi obszary bankowości korporacyjnej, bankowości transakcyjnej czy produkty faktoringowe . Realizujemy kompleksowe rozwiązania obejmujące back-office, jak i aplikacje frontowe. Dołączając do nas będziesz mieć realny wpływ na kształt systemu . Zależy nam na jakości naszych produktów i rozumiemy, że praca jest bardziej efektywna bez konieczności ciągłego przełączania się między kontekstami. Od ponad 25 lat tworzymy kompleksowe i zaawansowane technologicznie oprogramowanie dla banków i instytucji finansowych. Mamy na pokładzie ponad 100 ciekawych osób i produkty zmieniające usługi finansowe. Gramy zespołowo, dbamy o dobrą atmosferę, komunikujemy się otwarcie i szanujemy się nawzajem. To dla nas kluczowe zasady. Jesteśmy otwarci na innowacje. Cenimy samodzielność, niezależność i inicjatywę oraz chęć dzielenia się wiedzą. Twoje zadania tworzenie, rozwój i utrzymywanie systemów wykonywanie code-review (z czasem) dbanie o test coverage dbanie o buildy CI / proces CD dbanie o jakość i user experience naszych systemów przygotowywanie paczek i wsparcie przy wdrażaniu nowych wydań naszych systemów Nasze wymagania minimum 3 lata doświadczenia doświadczenia komercyjnego na stanowisku programisty bardzo dobra znajomość C#, .NET Framework, Visual Studio bardzo dobra znajomość SQL, zwłaszcza w wydaniu MS SQL Server (2019+), wiedza czym jest ACID, transakcyjność doświadczenie w tworzeniu rozwiązań (najlepiej wielowątkowych) integrujących się z zewnętrznymi systemami doświadczenie z aplikacjami WinForms bardzo dobra znajomość REST API bardzo dobra znajomość JavaScript / TypeScript / Angular (18+) dobra znajomość Entity Framework umiejętność pisania unit testów umiejętność czytania i współtworzenia dokumentacji technicznej chęć ułatwiania sobie życie poprzez automatyzację powtarzalnych zadań (na przykład w obszarze CI/CD, skrypty) zaangażowanie i praca zespołowa gotowość do świadczenia serwisu 24/7 (dodatkowo płatny) Mile widziane Dużym plusem będzie jeśli znasz się na zagadnieniach bądź systemach związanych z bankowością/finansami Znajomość: Dockera, Kafka, IBM MQ, WCF, DevExpress, OIDC Oferujemy możliwość poznania nowych technologii i nowoczesnych metodyk budowy oprogramowania gwarancję rozwoju zawodowego dzięki ciągłemu strumieniowi nowych projektów pracę zdalną ze spotkaniami w naszym biurze w Warszawie raz na kilka tygodni bezpłatną opiekę medyczną bezpłatne doskonalenie języka angielskiego (zajęcia z native speakerem) dofinansowanie do karty Multisport miłą i swobodną atmosferę pracy Jesteś ciekawy/a jak wygląda nasz proces rekrutacyjny? Chcesz do nas dołączyć? Wyślij swoje CV ze zdjęciem i linkiem do profilu na LinkedIn! Jeśli Twoje CV wpisze się w nasze oczekiwania, spodziewaj się: telefonu z naszego zespołu HR 1,5-godzinnej rozmowy online z naszym architektem, podczas której sprawdzimy Twoje umiejętności techniczne spotkania rekrutacyjnego z managerem zespołu, do którego prowadzimy rekrutację oferty współpracy bądź feedbacku z podziękowaniem za udział w procesie rekrutacji