C# platform developer

Please note - this is an in-house role in our Stockholm office. Remote candidates will not be considered. Unfortunately we cannot help with relocation from other countries or VISA applications.

We’re looking to expand our platform team with an experienced C# developer to help build and maintain the high-performance backend system that powers our remote gaming infrastructure. This platform serves as the backbone for our games, processing large volumes of transactions in real-time with high reliability and efficiency.

You will join a team of seasoned developers and work closely with our group CTO to shape the future of our platform.

We offer:

• A central Stockholm office


• Collaboration with top-tier developers


• A co-ownership program for the right candidate

• Design and implement robust, scalable features for our C# / ASP.NET-based platform


• Optimize code and data structures for high throughput and low latency


• Write and maintain comprehensive unit tests to ensure platform stability


• Participate in code reviews, contributing to clean and maintainable code


• Maintain clear and thorough technical documentation


• Work closely with peers to ensure architectural consistency and performance standards

• Strong backend development experience in C#


• Solid understanding of ASP.NET (experience preferred, but can be acquired on the job)


• Deep knowledge of SQL, including efficient query writing and high-performance database schema design — crucial for managing thousands of transactions per second


• Practical experience with caching strategies (e.g., in-memory and Redis)


• Expertise in multithreaded programming and thread-safe design patterns


• Proficiency in using the C# debugger for troubleshooting complex issues


• A mindset focused on performance, scalability, and reliability

• Experience with automated unit testing frameworks


• A university degree in Computer Science or related field


• A personal interest in gaming, whether professionally or recreationally


• Experience in basic front-end development