QAT Global, an IT Consulting group based in the US with over 30 years of success, is seeking a highly skilled Full-Stack .NET Developer who can communicate well in English. This position will work directly with the US customer and with development teams in our US, Costa Rica, and Brazil locations.This opportunity can be 100% remoteOnly hiring QAT Employees (CLT only in Brazil)ResponsibilitiesDevelop and maintain the applications both on front-end and back-endImplement APIs and integrate with Cosmos DB, Event Bus, and Web App services.Ensure application performance, security, and scalability.Work on CI/CD deployment pipelines in collaboration with the Tech Lead.Required ExperienceBackend: .NET Core (C#), Web APIFrontEnd: Angular, TypeScript, Angular MaterialDatabases: Cosmos DB, SQL ServerPostgres (Desirable)Microservices: Experience in containerized applications (Docker).Azure Services: Azure Service BusDevOps & CI/CD: Experience with Azure DevOps or GitHub Actions.Testing: Unit and integration testing (xUnit, Jest, Mocha).Communication: Ability to collaborate with designers, backend engineers, and product owners. Preferred ExperienceBS/MS in Systems Analysis and Development, Computer Science, Computer Engineering or equivalent