Senior .Net Full Stack Developer

We are seeking a highly skilled Senior .Net Full Stack Developer with expertise in .NET Framework and extensive experience in developing full-stack web applications. The role requires a proactive individual who is capable of making critical technical decisions and contributing effectively within a collaborative team environment. Key Responsibilities Design, develop, maintain, and enhance full-stack web applications.Build and integrate RESTful APIs across enterprise platforms.Gather, analyze, and refine business and technical requirements.Contribute to technical decisions and help prioritize development activities.Develop frontend solutions using React, Angular, JavaScript, and legacy technologies.Develop backend solutions using .NET Core, .NET Framework, and C#.Work with SQL Server and related data access technologies.Perform unit testing and integration testing to ensure quality and reliability.Participate in release and deployment management activities.Support and improve CI/CD pipelines and DevOps practices.Troubleshoot and resolve production incidents, including high-priority issues.Manage and contribute to risk, issue, incident, and problem resolution.Ensure adherence to coding standards, development guidelines, naming conventions, templates, and reference implementations.Produce and maintain clear technical documentation.Collaborate effectively within the team and across distributed, cross-functional, and international teams. Required Qualifications Degree in Computer Science, Software Engineering, Information Technology, Engineering, or a related technical field.5 to 8 years of relevant professional experience as a .Net Full Stack Developer.Strong expertise in .NET Core/Framework/MVC and related frameworks.Solid experience with React, Angular, JavaScript and working with older or legacy technologies when required.Strong knowledge of SQL and ORM tools such as Entity Framework.Experience working in production environments and supporting live business applications.Hands-on experience with CI/CD, Azure DevOps, Jenkins, and Git.Understanding of authentication mechanisms and core security principles.Experience in development, unit testing, and integration testing. Nice to Have Strong team player who collaborates effectively within and across teams.Proactive mindset with strong ownership and accountability.Good knowledge of Agile ways of working.Experience in documentation and standards ownership.Structured approach to release management, incident management, and problem-solving.Ability to work effectively in a dynamic, fast-paced environment.Experience with requirement gathering, analysis, and solution design.Strong skills in decision-making, prioritization, and communication. Language Requirements Professional proficiency in English speaking and writing (at least B2 level).Dutch and/or French is a strong plus. Work model: 2 days per week in the Lisbon office and 3 days at home.