Job Summary: We are seeking a passionate Senior .NET Developer who builds robust solutions from scratch and is interested in working within demanding technical environments for clients in the United States, with real impact on technical decisions. Key Highlights: 1. Challenging projects with international clients 2. Opportunity to propose, make decisions, and grow technically 3. AI integration to enhance productivity and code quality We are looking for a Senior .NET Developer with over 5 years of experience, passionate about building robust solutions from scratch and interested in working within demanding technical environments for clients in the United States. We seek someone who does not merely execute tasks but thinks critically, proposes solutions, and makes a real impact on technical decisions. The ideal candidate has experience developing and building applications using .NET Framework, .NET Core, Azure, C#, and SQL Server, with a clear focus on development-oriented projects (not support), having actively participated in creating solutions from scratch. This role focuses on designing and developing applications for clients in the United States within a collaborative and dynamic environment, where you will have the opportunity to contribute to technical decisions and continue growing professionally. Additionally, we seek a candidate who integrates Artificial Intelligence tools into their workflow to enhance productivity, code quality, and efficiency in problem-solving. Technical Requirements: -Minimum 5+ years of development experience with .NET and C# -Knowledge of software architecture and design patterns (SOLID, CQRS, Clean Architecture, etc.) -Proficiency with SQL Server, database modeling, and query optimization -Experience with dependency injection (DI) and asynchronous programming (async/await) -Familiarity with version control tools such as Git -Application security: JWT, OAuth2, CORS, and role-based authentication -Experience with unit testing (XUnit, NUnit, Moq) -Ability to use AI for tasks such as code generation, debugging, documentation, and optimization -Critical thinking to validate and refine AI-generated outputs Additional Valued Qualifications -Azure experience -Knowledge of Docker and Kubernetes -Experience with .NET MAUI -Knowledge of React or Angular -Experience developing intelligent features (chatbots, automations, etc.) What You’ll Find in This Role? -Challenging projects with international clients -Opportunity to propose, make decisions, and grow technically -A culture focused on best practices: code reviews, testing, and continuous improvement -A collaborative team where learning is constant. -Requirements- Minimum Education: University / Technical Degree 5 years of experience Languages: English Skills: .net, .net core, Azure, Database, C#, Programming, Sql, Sql server Keywords: developer, programmer, dotnet, net, net, senior, sr