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May 26, 2026

.NET Developer

Mid • Hybrid

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.