[Job - 28699] Master Backend (C# / .NET) Developer, Brazil

For this challenge, we are looking for a senior backend engineering professional to help evolve scalable solutions, support business growth, enable multi-brand operations, and ensure the sustainable evolution of the platform.

This person will also play an important role in strengthening internal ownership through technical excellence, architectural vision, and knowledge sharing.

• Strong experience with C# and .NET, ideally .NET 8/9 and ASP.NET Core, in production environments
• Solid experience designing and operating distributed systems and microservices architectures
• Strong knowledge of event-driven architecture and asynchronous processing
• Advanced experience with Azure SQL and Entity Framework Core, including performance tuning and data modeling
• Hands-on experience with Clean Architecture, CQRS, and DDD
• Strong understanding of concurrency, threading, memory management, and performance optimization in .NET
• Experience with Docker, cloud-native deployments, and modern DevOps practices
• Hands-on experience with CI/CD pipelines using Azure DevOps
• Experience with Application Insights, OpenTelemetry, and production diagnostics
• Proven ability to debug and resolve issues in complex distributed systems
• Advanced English communication skills.

• Experience working with both modern microservices and legacy .NET systems
• Familiarity with advanced messaging patterns such as idempotency, retries, and eventual consistency
• Experience contributing to modernization and platform evolution initiatives
• Hands-on experience with Azure Entra ID, OAuth 2.0, and identity/security integrations
• Exposure to observability-driven development and SLO/SLA practices