Full Stack Developer (.NET / C# + React)
About the Role
Our client, a company in the payments/fintech space, is seeking an experienced Full Stack Developer to join their engineering team. You'll build and maintain secure, high-throughput services on a modern .NET + Azure stack, working across the backend and the React front end. This is a fully remote, contract or direct-hire for candidates already based in the U.S and authorized to work.
What You'll Do
- Design, build, and maintain backend services in C# / .NET
- Develop responsive, user-facing features in React
- Build and consume RESTful APIs and asynchronous messaging workflows
- Work with Azure services including App Service, Storage/Service Bus, and Azure SQL Database
- Design and optimize relational data models and queries in SQL Server
- Own and improve CI/CD pipelines and DevOps configurations
- Manage source control, branching, and pull-request workflows in GitHub
- Collaborate with product, QA, and other engineers in an agile environment
- Write clean, testable, secure code with attention to the compliance and reliability demands of the payments domain
Required Qualifications
- 5 6+ years of professional experience with .NET / C# backend development
- 3 4+ years of hands-on experience with React
- Strong experience with Azure App Service, Queues (Service Bus / Storage), and Azure SQL
- Solid SQL Server database skills (schema design, stored procedures, performance tuning)
- Experience configuring and maintaining CI/CD pipelines and DevOps automation
- Proficiency with Git / GitHub workflows
- Prior experience in the payments / fintech industry
- Must be U.S.-based and authorized to work without sponsorship
Nice to Have
- Experience with PCI-DSS or other payment/security compliance standards
- Familiarity with microservices and event-driven architecture
- Experience with Azure DevOps or GitHub Actions