Saisystems - Full Stack Developer - .Net Core/React.js

Overview

We are seeking a skilled and motivated .NET & React Developer to design, build, and maintain scalable web applications.

The ideal candidate will have strong backend development expertise using .NET technologies along with hands-on experience in React to deliver high-quality, responsive, and user-centric applications.

This role requires strong problem-solving ability, clean coding practices, and collaboration across cross-functional teams in an Agile environment.

Key Responsibilities

Backend Development :

• Design, develop, and maintain robust backend services and RESTful APIs using C#, .NET, ASP.NET, and ASP.NET Core
• Implement asynchronous, scalable, and high-performance server-side solutions
• Apply SOLID principles, clean architecture, and best coding practices
• Ensure API security, reliability, and performance optimization
• Identify and resolve performance bottlenecks at application and database levels
  
  

• Develop dynamic, responsive, and reusable UI components using React
• Integrate frontend applications with backend APIs
• Implement state management solutions (Redux, Context API, etc.)
• Ensure responsive design and cross-browser compatibility
• Collaborate with UI/UX designers to implement modern user interfaces
  
  

• Design, develop, and optimize database solutions using SQL Server
• Write efficient queries and improve database performance
  
  

• Work closely with frontend, QA, DevOps, and product teams
• Participate in Agile/Scrum ceremonies and development processes
• Conduct code reviews and contribute to continuous technical improvement
• Write clean, maintainable, and well-documented code
• Perform debugging, unit testing, and issue resolution
• Troubleshoot and resolve production issues
  
  

• Strong hands-on experience in C#, .NET, ASP.NET / ASP.NET Core
• Strong experience with Dependency Injection
• Solid understanding and practical implementation of SOLID principles
• Strong experience building and consuming RESTful APIs
• Experience working with asynchronous programming and scalable architectures
  
  

• Strong proficiency in React
• JavaScript (ES6+), HTML5, CSS3
• Experience with REST APIs and JSON integration
• State management libraries (Redux, Context API, etc.)
• Responsive UI development and cross-browser compatibility
  
  

• Experience with SQL Server or other relational databases
• Query optimization and performance tuning
  
  

• Azure App Services
• Azure Functions
• Azure Storage (Blob Storage)
• Azure Key Vault
  
  

• Familiarity with Git and version control workflows
• Experience working in Agile/Scrum environments
  
  

(ref:hirist.tech)