Senior .NET​/Full Stack Developer

Gain America is recruiting a Senior .NET / Full Stack Developer for contract and contract-to-hire engagements with our enterprise clients in the Jersey City, NJ market. Own enterprise web applications end to end on the Microsoft stack — building secure APIs and modern React front ends for high-traffic business systems.

Work model: Hybrid / on-site in the Jersey City, NJ area
Core stack: .NET, C#, ASP.NET Core, Azure, React/Type Script, SQL Server

What you'll do

• Build and maintain ASP.NET Core services and RESTful APIs behind customer-facing applications
• Develop responsive front ends in React/Type Script against those APIs
• Design and tune SQL Server schemas, queries, and stored procedures
• Deploy and monitor workloads on Azure using App Services, Functions, and Dev Ops CI/CD

What you bring

• 5+ years shipping production software in C# / .NET
• Strong ASP.NET Core, Web API, and Entity Framework experience
• Front-end proficiency with React and Type Script
• Hands-on Azure and CI/CD experience

Gain America is a technology staffing partner placing skilled consultants with leading employers across financial services, insurance, healthcare, and the public sector. You'll work with a dedicated recruiter who advocates for you from first call through offer. Client names are shared once there is a mutual fit.