**Responsibilities:** * Design, develop and maintain applications and services using .NET Core and C\#. * Create and optimize queries and procedures in SQL Server databases. * Implement, deploy and monitor solutions on Microsoft Azure (App Services, Functions, DevOps, etc.). * Collaborate with product, QA and DevOps teams to ensure software quality and stability. * Actively participate in technical analysis, architecture design and project decision-making. * Ensure good coding practices, version control (Git), automated testing and CI/CD. * Identify opportunities for improvement in performance, security and scalability. **Requirements:** * Degree in Computer Engineering, Telecommunications or similar. * Minimum of 4 years of experience in backend development with .NET Core / C\#. * Proficiency in SQL Server and experience in modeling and optimizing relational databases. * Solid knowledge of Microsoft Azure (PaaS services, deployments, pipelines, etc.). * Experience with RESTful APIs, microservices and distributed environments. * Familiarity with agile methodologies (Scrum, Kanban). * Technical level of English (conversational level is a plus). * Proactive profile with analytical skills, teamwork ability and results orientation.