.NET Developer at Aristocrat Leisure in Kraków, Lesser Poland, Poland

.NET Developer Location: 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. Responsibilities: Develop and maintain backend services using .NET Framework / .NET Core, applying team guidelines and architecture standards. Contribute to design and estimation sessions, providing insights into feasibility and technical constraints. Refactor and optimize existing services for better scalability, maintainability, and performance. Implement and maintain integrations with internal and external systems (payments, game providers, portals). Collaborate with developers, QA engineers, and DevOps to ensure efficient delivery through the entire SDLC. Participate in incident investigation and post-deployment verification under senior guidance. Write clean, testable, and maintainable code that follows SOLID and team conventions. Engage actively in Agile ceremonies and continuously improve team practices. Keep up with evolving tools and technologies to enhance quality and delivery speed. Required Qualifications: 3+ years of experience in server-side web application development using C# / .NET Framework / .NET Core. Proficiency in ASP.NET Core, Web API, and MVC frameworks. Solid understanding of software architecture patterns (layered, modular, microservices). Experience with SQL Server — T-SQL, stored procedures, performance optimization. Familiarity with Docker, Kafka, and Redis. Knowledge of asynchronous communication and distributed systems concepts. Understanding of REST API design and integration patterns. Basic exposure to gRPC and WCF service communication. Strong analytical and structured problem-solving skills. Bachelor’s degree or equivalent experience in computer science or a related field. English: Intermediate — able to read documentation and actively participate in daily meetings. Preferred Qualifications: Basic understanding of VB, Web Forms, or JavaScript (for legacy module awareness). Experience with CI/CD pipelines and distributed monitoring tools (e.g., Datadog). Exposure to high-load, regulated systems such as iGaming or FinTech. Company Summary Aristocrat Interactive Aristocrat Interactive is Aristocrat Leisure Limited’s (ASX:ALL) regulated online Real Money Gaming(RMG) business and was formed in 2024 when the Anaxi and NeoGames businesses (Anaxi, NeoGames, Aspire Global, BtoBet, and Pariplay) came together.  The business is an industry leader in content and technology solutions for online RMG, with a full-service offering that includes content, proprietary technology platforms and a range of value added services across iLottery, iGaming and Online Sports Betting (OSB). About Aristocrat Aristocrat Leisure Limited (ASX: ALL) is a leading gaming content creation company powered by technology to deliver industry-leading casino games together with mobile games and online real money games, collectively entertaining millions of players worldwide, every day. Headquartered in Sydney, Australia, Aristocrat has three operating business units, spanning regulated land-based gaming (Aristocrat Gaming), social casino (Product Madness) and regulated online real money (Aristocrat Interactive). Our team of over 8,500 people across the globe are united by our company mission to bring joy to life through the power of play. Our Values All about the Player Talent Unleashed Collective Brilliance Good Business Good Citizen Travel Expectations None Additional Information At this time, we are unable to sponsor work visas for this position. Candidates must be authorized to work in the job posting location for this position on a full-time basis without the need for current or future visa sponsorship.