EPAM Systems is seeking a highly skilled Lead Software Engineer to drive the design and development of core applications in Chile. In this role, you will lead the cloud-native transformation by building highly scalable event-driven architectures in AWS using modern C# (.NET 8/9) and React, while managing legacy .NET systems. Responsibilities include designing secure RESTful APIs, implementing Infrastructure as Code, mentoring junior engineers, and automating cloud infrastructure provisioning. This role promises international projects and a collaborative work environment.