Sr Full Stack Developer (.NET & Razor Pages) | 100% Remote | Phillippines

At Prometeo Talent, we connect top-tier tech and engineering professionals with companies that are shaping the future. With a strong presence across America and Europe, we’re proud to be one of the highest-rated recruitment agencies in the market. We have partnered with a U.S.-based company focused on building internal and client-facing digital products. They are currently developing a secure and user-friendly portal that delivers different experiences depending on user roles and permissions. We are looking for a Senior Full Stack Developer (.NET & Razor Pages) to join their team and support the development of this platform. About the Role: This role is ideal for a developer who can bridge backend security with a seamless front-end experience using ASP.NET Core and Razor Pages. You will be responsible for building a secure login system, implementing role-based access control, developing dynamic dashboards and forms, and ensuring users only access the data and features relevant to their roles. What You Will Do: Build and maintain secure web applications using ASP.NET Core and Razor Pages. Implement authentication flows and role-based access control (RBAC) using ASP.NET Core Identity. Develop responsive, user-friendly interfaces using Bootstrap 5 and modern UI practices. Create dynamic dashboards with KPIs, charts, and data grids. Build complex forms with validation, conditional logic, and file upload capabilities Integrate front-end components with RESTful APIs and backend services Work with SQL Server and Entity Framework Core for data access and modeling Optimize application performance using pagination, caching, and asynchronous processing Ensure secure data handling, session management, and protection of sensitive information Requirements: +6 years of experience working with .NET / C# and ASP.NET Core +3 years of experience with Razor Pages (or MVC with strong frontend involvement) +3 years of experience with Bootstrap and responsive UI development Experience implementing authentication and user roles (RBAC) Experience working with RESTful APIs Solid experience working with SQL and Entity Framework Ability to work across both frontend and backend Advanced English level Nice to Have: Familiarity with BI tools (e.g., Power BI) Experience with API development and integrations Basic understanding of application security best practices UI/UX sensibility (attention to layout, usability, and design details) Benefits: ️ Days of PTO to recharge wherever you choose. 100% remote work—design the work-life balance that fits you best. ️ Get hands-on experience with real-world marketing data and tools. Collaborate with a global, multidisciplinary team. Apply To This Job