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Senior Backend Engineer, C# / .NET
Location
Brazil
Posted
81 days ago
Salary
0
Seniority
Senior
Job Description
Senior Backend Engineer, C# / .NET
CI&T
• Design, build, and maintain backend microservices and integrations using .NET 8/9 and ASP.NET Core within a CQRS + Clean Architecture ecosystem. • Contribute to solution design, making informed trade-offs around performance, scalability, and maintainability. • Develop RESTful APIs (command/query separation) and integrate systems using event-driven patterns (Azure Service Bus). • Implement and maintain background processing using Azure Functions and message-driven workflows. • Work with Azure SQL and Entity Framework Core, including data modeling and query optimization. • Apply structured patterns to ensure code quality, maintainability, and consistency. • Follow and contribute to security best practices using Azure Entra ID (OAuth2/OIDC, JWT). • Contribute to CI/CD pipelines (Azure DevOps) and support containerized deployments (Azure Container Apps). • Troubleshoot production issues using Application Insights, logs, and distributed tracing. • Collaborate with cross-functional teams and participate in technical discussions and design reviews. • Support knowledge sharing and help mentor less experienced engineers.
Job Requirements
- Strong experience with C# and .NET (ASP.NET Core, .NET 6+) in production environments
- Experience building microservices and RESTful APIs
- Familiarity with event-driven systems (Azure Service Bus or similar)
- Good knowledge of Azure SQL and Entity Framework Core
- Experience with Clean Architecture, CQRS, or similar patterns
- Hands-on experience with background processing (Azure Functions or worker services)
- Familiarity with Docker and cloud-native environments
- Experience with CI/CD pipelines (Azure DevOps or similar)
- Ability to troubleshoot issues using logs and monitoring tools
- Strong communication skills and ability to work in team environments
- Advanced English
- Ownership of tasks and commitment to delivering quality outcomes
- Strong communication with technical and non-technical stakeholders
- Ability to manage priorities in a dynamic environment
- Collaborative mindset and willingness to support team growth
Benefits
- Health and dental insurance
- Meal and food allowance
- Childcare assistance
- Extended paternity leave
- Partnerships with gyms and wellness professionals via Wellhub (Gympass) TotalPass
- Profit sharing and performance-based participation (PLR)
- Life insurance
- Continuous learning platform (CI&T University)
- Employee discount program
- Free online platform focused on physical and mental well-being
- Pregnancy and responsible parenting course
- Partnerships with online learning platforms
- Language learning platform
- And many more!
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