Senior Full Stack Developer .NET

Listed as a remote role based in Lisbon Metropolitan Area. Who are we: Neotalent Conclusion is one of the leading Iberian specialists providing services in Information Technology and Engineering services. As part of the Netherlands-based organization Conclusion, which has an ecosystem of over 25 companies and 3,600 employees, we are focused on increasing the technological capacity of our clients and the digital transformation of their application ecosystems. We are talent specialists, attracting the best people and combining them with the needs of the most ambitious projects, at the right time. Our success comes from our investments in innovation, our focus on results, and, above all, the guarantee that our people will have happy and rewarding careers. With over 25 years of solid experience, Neotalent Conclusion has established its presence in key locations, including Lisbon, Porto, and Madrid. The company currently has more than 950 professionals in the different areas in which it operates. Neotalent, the responsive people. Find out more about us at www.neotalentconclusion.com. Role Overview: We are looking for a Senior Full Stack Developer .NET to join our teams and contribute to the development, modernization, and maintenance of business-critical applications operating in hybrid On-Premises and Microsoft Azure environments. In this role, you will work across both backend and frontend components, helping to evolve existing solutions while supporting the architecture and delivery of new applications. You will collaborate with multidisciplinary teams, contribute to technical decision-making, and play an active role in promoting software engineering best practices throughout the development lifecycle. What you will do: Develop, enhance, and maintain web applications using C#, .NET, .NET Core, and ASP.NET technologies; Design, implement, and integrate REST APIs and application services across internal and external systems; Build and maintain frontend components using ASP.NET MVC and contribute to modern frontend development initiatives, including React-based solutions; Develop solutions for hybrid On-Premises and Microsoft Azure environments, ensuring performance, scalability, security, and maintainability; Participate in architectural discussions, code reviews, CI/CD processes, deployment activities, troubleshooting, and application modernization initiatives. What you are like: Experienced in C#, .NET / .NET Core / ASP.NET Core and full-stack web application development; Proficient in ASP.NET MVC, REST APIs, JavaScript, HTML5, CSS3, SQL Server, and Entity Framework / Entity Framework Core; Knowledgeable in Microsoft Azure services, hybrid cloud architectures, CI/CD practices, Git, and Agile/Scrum methodologies; Familiar with modern software engineering practices including unit testing, code reviews, clean code principles, and application performance optimization; Comfortable working with modern technologies and approaches such as React, microservices, event-driven architectures, Docker, Redis, observability tools, and Azure DevOps; Experienced in leveraging AI-powered development tools such as GitHub Copilot, OpenAI Codex, or similar solutions to improve productivity, testing, debugging, and software delivery processes; Strong analytical and problem-solving skills, with the ability to work autonomously and contribute to technical decision-making; Collaborative communicator, capable of working effectively with developers, QA engineers, architects, product owners, and business stakeholders; Proactive, quality-oriented, and motivated to drive continuous improvement and knowledge sharing within the team; Fluent in Portuguese with a good command of English, both written and spoken. Why join us: Work on challenging projects for big clients; Learn more about emerging technologies; Possibility of working remotely; Design your career plan; Access to continuous training and certifications; Evolve through our internal mobility program; Be part of a collaborative, innovative, and people-focused environment; … and much more! Show more Show less Seniority level Mid-Senior level Employment type Full-time Job function Information Technology Industries Information Services