Sr Software Engineer (.Net)

Join us in bringing joy to customer experience. Five9 is a leading provider of cloud contact center software, bringing the power of cloud innovation to customers worldwide.

Living our values everyday results in our team-first culture and enables us to innovate, grow, and thrive while enjoying the journey together. We celebrate diversity and foster an inclusive environment, empowering our employees to be their authentic selves.

We are looking for a Full Stack .NET Developer with strong expertise in Microsoft technologies and modern front-end frameworks. The role involves building scalable, high-performance web applications using ASP.NET, .NET Core, Web API, SQL, Angular, React and AWS following best engineering practices.

Key Responsibilities

• Develop and maintain web applications using ASP.NET / .NET Core / Web API / SQL

• Build responsive Single Page Applications using Angular and React

• Design and consume RESTful APIs

• Implement microservices and micro-frontend architectures

• Write clean, maintainable, and testable code using SOLID principles and design patterns

• Having experience in AWS cloud stacks, CI/CD Pipelines

• Perform unit testing and support automated testing efforts

• Collaborating with cross-functional and remote teams

• Ensure application performance, security, and scalability

Required Skills & Experience

• 5+ years of experience with Microsoft Technology Stack (ASP.NET, MVC, Web API)