**Role : Senior .NET Full Stack Engineer** **Location : Alicante\- Spain** **Requirements** * Minimum 5 years of professional experience in software development. * Bachelor's degree in Computer Science, Telecommunications Engineering, Software Engineering, or related technical field. * Strong proficiency in C\# and .NET (Core, Framework). * Expert\-level experience with RESTful API development and ASP.NET Core, an open\-source web development framework \| .NET Core/MVC. * Solid frontend development skills using TypeScript, React, JavaScript (ES6\+), HTML5, and CSS3\. * Strong SQL skills with PostgreSQL and SQL Server. * Experience with ORM frameworks (Entity Framework). * Hands\-on experience with AWS services (S3, Lambda, RDS). * Experience with Docker and containerization. * Proficiency with GitLab for source control and CI/CD workflows. * Understanding of microservices architecture and inter\-service communication. * Familiarity with SOLID principles, design patterns, and clean architecture. * Understanding of authentication mechanisms (OAuth2, JWT). * Experience writing automated tests (unit, integration). * Strong understanding of Agile/Scrum methodologies. * Excellent problem\-solving and analytical abilities. * Strong communication and collaboration skills in English (written and verbal). * Proven ability to work in agile teams and deliver in fast\-paced environments. * Self\-motivated with strong organizational skills and attention to detail. Job Types: Full\-time, Contract