We are looking for a Fullstack Developer - .NET and React to support modern web application development in Lisle, Illinois. This Long-term Contract position is suited for a developer who brings strong experience across backend and frontend technologies, enjoys building scalable solutions, and can contribute effectively within an Agile team. The role focuses on enhancing existing applications, developing new API-driven functionality, and helping improve code quality, performance, and maintainability across the platform.

Responsibilities:

• Build and maintain full-stack web applications using .NET technologies, C#, and React in a collaborative Agile environment.
• Create and support RESTful APIs in .NET Core to enable reliable integration across application components.
• Improve existing systems by updating legacy web applications and contributing to modernization efforts with React and .NET Core.
• Write unit tests and participate in web application testing to promote stable, high-quality releases.
• Apply sound engineering practices related to security, scalability, and application performance throughout development.
• Develop and optimize database solutions, including advanced SQL queries and stored procedures, to support business functionality.
• Use Git-based workflows and CI/CD practices to manage code changes, deployment readiness, and team collaboration.
• Contribute to cloud and container-based deployment activities, including work with Azure and Kubernetes environments.