About the Role：As a Senior Full-Stack Developer at Roaya, you will play a pivotal role Working directly under the Tech Lead, you will take ownership of end-to-end features—from architecting robust SQL databases and C# APIs to crafting high-performance user interfaces in Angular.This role is ideal for a developer who enjoys high-stakes environments and mission-critical applications.Key Responsibilities：Architecture & Development: Design, develop, and maintain scalable web applications using C#, .NET Core/8+, and Angular.Backend Excellence: Build and optimize secure RESTful APIs and handle complex business logic for cloud-based mail services.Database Management: Write high-performance SQL Server queries, stored procedures, and design efficient database schemas.Frontend Innovation: Create responsive, modular, and reusable UI components using Angular (TypeScript), ensuring a seamless user experience.Code Quality: Conduct thorough code reviews, mentor junior team members, and implement unit/integration testing to ensure zero-downtime deployments.Collaboration: Work closely with the Tech Lead to translate business requirements from World Posta into technical specifications.Regular use of AI-assisted development tools is required. Candidates should demonstrate how they leverage AI to enhance productivity, code quality, troubleshooting, architecture design, and development workflows. 3–7+ years of professional experience in Full-Stack development.Expertise in C# and .NET: Deep understanding of ASP.NET Core, Entity Framework, and LINQ.Angular Mastery: Proficiency in Angular (latest versions), RxJS, and State Management.SQL Server: Strong experience with relational database design and performance tuning.Web Fundamentals: Excellent command of HTML5, CSS3 (Sass/Less), and modern JavaScript/TypeScript.Important Skills to Look For (Bonus)To truly excel in a cloud and mail service environment like Roaya’s, look for these additional strengths:Cloud Native Experience: Familiarity with Azure or AWS (specifically App Services, Functions, or S3/Blob Storage).Message brokers like RabbitMQ/Azure Service Bus (highly relevant for mail services).DevOps & CI/CD: Experience with Azure DevOps or GitHub Actions for automated deployment.Security Mindset: Understanding of OAuth2, OpenID Connect, and secure coding practices (OWASP) to protect sensitive mail data.