Senior Full Stack Developer (.NET & React)

Key Responsibilities

• Design, develop, test, and maintain full-stack applications using React/TypeScript and .NET/C#.
• Develop responsive, reusable, and high-performance frontend features using React and TypeScript.
• Develop and integrate REST APIs and backend services using .NET/C#.
• Implement state management and application workflows using Redux / Redux Toolkit or equivalent patterns.
• Write and maintain automated unit and component tests using Jest and React Testing Library or equivalent testing libraries.
• Investigate and resolve functional, integration, and production issues across frontend and backend components.
• Collaborate with QA, product, DevOps, and other engineering teams throughout the development lifecycle.
• Participate in code reviews and follow Git-based development, CI/CD, coding standards, and secure development practices.

Must Have Skills

Backend Development (Critical)

• 3+ years of backend development experience in .NET / C# (ASP.NET Core 6+)
• Strong experience in developing REST APIs, streaming endpoints (SSE/WebSockets), and asynchronous programming
• Hands-on experience with HttpClient, dependency injection, middleware, and request/response pipelines
• Experience with service-oriented architecture and integration patterns including circuit breakers, retries, and timeouts
• Knowledge of cancellation tokens, task orchestration, and background processing
• Strong understanding of error handling, structured logging (ILogger), and diagnostics

Frontend Development

• 3+ years of frontend development experience using React and TypeScript
• Experience with state management libraries such as Redux / Redux Toolkit or equivalent
• Strong understanding of modern JavaScript/TypeScript tooling and testing including Webpack, Jest, React Testing Library, ESLint, npm, and yarn

Preferred Skills

• Experience with real-time data streaming technologies such as SSE, SignalR, and WebSockets
• Knowledge of Microsoft Azure services including App Service, API Management, Application Insights, and Service Bus
• Experience working with HttpClient factories, Polly resilience patterns, and application health checks

General Qualifications

• Familiarity with Git-based workflows, code reviews, and CI/CD pipelines
• Practical experience using AI coding assistants such as Claude / Co-Pilot in day-to-day development, including code generation, debugging, refactoring, test generation, and code analysis
• Strong debugging, analytical, and troubleshooting skills for distributed systems
• Ability to work collaboratively within cross-functional teams
• Good communication and problem-solving skills

Preferred Technical Expertise

• Service-oriented and scalable application architecture
• Distributed systems and asynchronous communication
• API integrations and middleware handling
• Performance optimization and diagnostics

Technology Stack

.NET / C# • ASP.NET Core • React • TypeScript • Redux / Redux Toolkit • REST APIs • Git • CI/CD • Webpack • Jest • React Testing Library • ESLint • npm • yarn