.NET Developer

Inetum is a European leader in digital services , supporting organizations as they navigate continuous technological change. The company helps clients accelerate their digital transformation through a broad portfolio that includes consulting, application services, digital engineering, cloud, cybersecurity, platforms, and infrastructure services We are looking for a Senior Full Stack Developer .NET to join a team responsible for the development, enhancement, and maintenance of applications and services across On-Premises and Microsoft Azure environments on a service provision basis. We are seeking a senior professional with strong technical autonomy, analytical skills, and solid experience within the Microsoft ecosystem. The ideal candidate will be able to work across both Backend and Frontend technologies, actively contributing to the technical, architectural, and operational evolution of our solutions. Responsibilities Develop, enhance, and maintain web applications based on C# and .NET . Develop user interfaces and features using ASP.NET MVC . Develop and integrate REST APIs . Implement integrations between applications, internal services, and external systems. Develop solutions for both On-Premises and Microsoft Azure environments. Participate in requirements analysis and the definition of technical solutions. Work with relational and non-relational databases, ensuring efficiency and quality in data access and processing. Ensure high standards of quality, performance, security, scalability, and maintainability. Produce clean, reusable, and testable code. Develop and maintain unit tests. Participate in code reviews and promote software engineering best practices. Diagnose and resolve application and performance issues. Contribute to architecture and technical design decisions. Participate in CI/CD , deployment, and release processes. Collaborate with Developers, QA Engineers, Product Owners, Architects, and other stakeholders. Contribute to the continuous modernization of applications and their architecture. Provide technical support and mentorship to other team members, promoting knowledge sharing. Minimum of 3 years of professional experience in software development , with relevant experience in the Microsoft ecosystem. Solid experience with C# , .NET , .NET Core , and ASP.NET Core . Strong experience developing web applications using ASP.NET MVC . Experience in developing and consuming REST APIs . Good knowledge of JavaScript, HTML5, and CSS3 . Experience with Entity Framework and/or Entity Framework Core . Strong experience with SQL and Microsoft SQL Server . Experience with Git and version control systems. Experience with CI/CD tools and processes . Experience developing and maintaining solutions in On-Premises environments . Knowledge and hands-on experience with Microsoft Azure . Experience working in Agile/Scrum environments. Ability to analyze existing applications and work on solutions with varying levels of technological maturity. Languages Portuguese: Fluent. English: Good verbal and written communication skills.