Job Summary: We are seeking a Senior .NET Developer to lead the development and evolution of robust and scalable applications, ensuring technical quality and efficiency. Key Highlights: 1. Fundamental role in the technical definition of solutions. 2. Development of robust and scalable applications. 3. Collaboration within agile teams. We are looking for a Senior .NET Developer to work on the development and evolution of robust, scalable, and high-performance applications. This professional will play a key role in the technical definition of solutions, ensuring code quality, adherence to best practices, and delivery efficiency. **Responsibilities:** * Analyze system requirements and support demand prioritization; * Develop applications using .NET technologies; * Build and maintain high-performance and secure REST APIs; * Write clean, testable, and maintainable code (Clean Code); * Perform testing, debugging, and troubleshooting of applications; * Review, refactor, and optimize existing code; * Deploy and monitor applications in production; * Update and modernize legacy systems; * Collaborate effectively within agile teams (Scrum/Kanban). **Requirements:** * Solid experience as a .NET Developer; * Proficiency in the .NET framework (version 4\.5 or higher); * Strong experience in developing REST APIs; * Advanced knowledge of Oracle database; * Proficiency in C\# (or VB.NET); * Experience in web application development; * Familiarity with agile methodologies; * Strong analytical skills and problem-solving ability; * Good communication and teamwork skills. **Preferred Qualifications:** * Knowledge or experience with Java environment; * Experience with system integration (APIs, distributed services); * Experience with automated testing practices. **Important Information:** **Work Location:** Santo André **Work Model:** Hybrid **Working Hours:** Business hours **Employment Type:** PJ.