Role: Senior .NET Full Stack Developer (C# / .NET Core / Web API / React Native / Angular / Azure)
Location: Boca Raton, FL 33432 (100% On-site - )
Compensation: $51.00/hr on W2 / 60 On C2C
Duration: 12 Months
Position Overview
Seeking an enterprise-grade Senior .NET Full Stack Developer with strong expertise in API design, microservices, and mobile technology (React Native). This 100% on-site role in Boca Raton, FL accepts candidates on H1B, , and visas. The engineer will design, develop, and deploy scalable enterprise backend RESTful APIs using C#, .NET Core, ASP.NET Web API, and Entity Framework Core, while integrating responsive web frontends (Angular 8+) and mobile applications (React Native). The position commands strong cloud deployment skills (Azure App Service, AKS, Docker), SQL database tuning, and automated CI/CD pipeline delivery in Agile environments.
Key Responsibilities
* Enterprise API & Backend Engineering: Design, build, and maintain high-performance RESTful APIs and microservices architectures using C#, .NET Core, ASP.NET Web API, LINQ, and EF Core.
* Mobile & Frontend Integration: Collaborate on mobile technology delivery using React Native while building responsive web components with Angular 8+, TypeScript, RxJS, and Bootstrap.
* Database Management & Tuning: Design relational database schemas, write complex stored procedures, and optimize query performance across SQL Server, Oracle, PostgreSQL, or Azure Cosmos DB.
* Cloud Infrastructure & Containerization: Deploy, containerize, and manage microservices on Microsoft Azure using Azure App Services, Functions, Docker, and Azure Kubernetes Service (AKS).
* Asynchronous Messaging & Event-Driven Flows: Implement distributed messaging and event-driven communication using Azure Service Bus, Azure Queue Storage, or RabbitMQ.
* DevOps & Agile Delivery: Author unit tests, conduct peer code reviews, and automate release pipelines using Azure DevOps / Azure Pipelines within sprint-based Agile frameworks.
Required Skillset
* Experience: 8+ years of professional software engineering experience in enterprise application delivery.
* Core .NET Stack: Advanced command over C#, .NET Core, ASP.NET Core MVC, ASP.NET Web API, RESTful services, and SOLID design principles.
* Mobile & Frontend Tech: Practical experience with React Native and mobile integration patterns alongside Angular 8+, TypeScript, JavaScript, and RxJS.
* Database Mastery: Strong hands-on experience with SQL Server/Oracle/PostgreSQL, Entity Framework Core, stored procedures, indexing, and query tuning.
* Cloud & Containerization: Hands-on experience with Microsoft Azure (App Service, Functions, AKS, VNet), Docker, and CI/CD tools (Azure DevOps/Jenkins).
* On-site Mandate: Fully available to support a 100% on-site model in Boca Raton, FL (33432).
Preferred Qualifications
* Prior domain experience in banking, financial services, healthcare, telecom, or regulated enterprise environments.
* Microsoft Azure Certifications (e.g., Azure Developer Associate or Azure Solutions Architect).