Senior Software Engineer

RBGlobal•Westchester, FL

About The Position

We are looking for a skilled .NET Backend Engineer to design, build, and modernize backend systems using .NET Core (.NET 6/8, moving to .NET 10) . The role focuses on microservices architecture , cloud‑native Azure services , and modern DevOps and testing practices , with close collaboration across frontend and platform teams.

Requirements

Strong experience with C# and .NET Core / modern .NET (6, 8, or later)
Experience working with or migrating toward .NET 10
Solid understanding of microservices architecture and distributed systems
Hands‑on experience converting monolithic applications to microservices
Experience with Azure cloud services , including: Azure Function Apps, Azure Cosmos DB, Azure Blob Storage, Azure SQL / SQL Server
Strong knowledge of RESTful APIs and backend integration patterns
Hands-on experience with modern JavaScript/TypeScript and React and/or Vue.js in a production environment. Ability to build and maintain UI components, handle state management, and integrate with backend APIs (REST). Working knowledge of frontend build tooling and workflows (npm/yarn, bundlers, linting, unit tests).
Experience implementing authentication and authorization , preferably with Microsoft Entra ID (Azure AD)
Familiarity with CI/CD pipelines , GitHub, and modern DevOps workflows
Strong focus on unit testing , testability, and code quality
Ability to work effectively in an Agile / collaborative team environment

Nice To Haves

Experience with mobile application backend support or mobile app development
Familiarity with frontend technologies such as React or Vue.js
Experience with performance optimization , observability, and monitoring in distributed systems
Exposure to event‑driven architectures or messaging systems

Responsibilities

Design, develop, and maintain backend services using .NET Core / modern .NET
Lead and contribute to microservices architecture , including migration from monolithic systems
Build and operate cloud‑native solutions on Microsoft Azure
Develop and maintain Azure Function Apps and backend APIs
Design data access layers using Cosmos DB, Azure Blob Storage, and SQL Server
Implement and maintain secure authentication and authorization using SSO with Microsoft Entra ID
Collaborate closely with frontend engineers and contribute as needed to UI work using React and/or Vue.js (component development, API integration, debugging, performance tuning).
Write clean, testable, and maintainable code following best practices
Create and improve unit tests , and actively work on increasing test coverage
Participate in code reviews , architectural discussions, and technical decision‑making
Use GitHub Copilot extensively to improve developer productivity while maintaining code quality