Job Summary: We are looking for a Senior Full-Stack Developer passionate about games to maintain, evolve, and develop a modern web application. Key Highlights: 1. Senior Full-Stack Development focused on performance and stability. 2. Dynamic environment with challenges in optimization and new features. 3. Team collaboration and contribution of innovative ideas. We are seeking a **Senior Full-Stack Developer** with experience in **.NET** technologies to maintain, evolve, and develop a modern web application. The ideal candidate must possess solid knowledge of **C#, Blazor, ASP.NET, and Laravel (PHP).** **If you are passionate about games—especially DDTank/Gunny—and ready to tackle technical challenges in optimization, security, and new features, this position is for you!** **Your responsibilities will include:** * Developing and maintaining features using C#, Blazor, ASP.NET, and Laravel (PHP), with emphasis on performance and stability. * Implementing interactive components and responsive interfaces with Blazor, HTML, and CSS, ensuring high-quality and smooth user experience. * Using Entity Framework for efficient data manipulation, performing complex operations and transactions with high performance. * Creating and optimizing SQL queries and stored procedures in SQL Server to ensure high performance under heavy concurrent traffic, and integrating them with Entity Framework. * Collaborating with the development team to ensure system integrity, fix bugs, and enhance existing features. * Actively participating in alignment meetings, planning sessions, and code reviews, contributing innovative ideas, best practices, and creative solutions. * Ensuring product stability and functionality under high load by continuously proposing architectural and code improvements to maintain optimized performance. **Who we’re looking for:** * Proven experience with C# and .NET (Core or Framework) and Laravel (PHP). * Advanced knowledge of gRPC communication. * Advanced knowledge of Blazor for web interface development. * Proficiency in Entity Framework for ORM and database manipulation. * Experience with SQL Server (table creation, stored procedures, triggers, and query optimization). * Knowledge of HTML5, CSS3, and responsive design. * Familiarity with ASP.NET for API and web application development. * Knowledge of source code versioning (Git). **Nice-to-have qualifications:** * Experience integrating systems and external APIs. * Knowledge of JavaScript/TypeScript to complement front-end development. * Familiarity with architectural patterns such as DDD, Clean Architecture, or MVC. * Experience with Docker and CI/CD. * Knowledge of unit and integration testing (xUnit, NUnit, etc.). **Basic to intermediate knowledge of DDTank.** **Soft Skills:** * Strong communication skills and ability to work collaboratively in a team. * Proactivity and autonomy in problem solving. * Organization and attention to detail. * Ability to quickly learn new technologies. **Who we are:** **7TEEN Games**, founded in 2019 by game enthusiasts with a passion for nostalgia, has published games and servers in over four languages across 30 countries, gaining extensive expertise in localization, marketing, and regional game economies. Although we also operate a game studio, our primary focus and energy are fully dedicated to ensuring that every product published by 7TEEN becomes a national and international success. **Important:** * This is a fully remote position (**Home Office**) **Let's play!**✨