Principal Full Stack Engineer - NET ecosystem

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Full Stack Engineer - NET ecosystem based in Brazil. This role is designed for a highly experienced engineer who wants to combine hands-on development with technical leadership in a global SaaS environment.You will play a key role in improving application security, resolving compliance challenges, and building scalable, reliable software solutions.The position requires strong expertise across the .NET ecosystem, architecture, troubleshooting, and modern engineering practices.You will work on complex technical challenges involving application quality, security remediation, performance optimization, and cloud-based solutions.The ideal candidate will have the autonomy to influence technical decisions while collaborating with international teams.This is an opportunity to contribute to products where engineering excellence, AI-powered development, and secure software practices are at the center of innovation.