Mid Level .NET Developer, Brazil
Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Oct 29, 2026. CI&T scores A on the Alion truth index.
We are looking for a Mid-Level .NET Developer to join our engineering team and contribute to the development and evolution of scalable, secure, and reliable software solutions.
In this role, you will build backend services and APIs using .NET and Azure technologies, collaborate on cloud-native applications, and contribute to distributed systems and event-driven architectures. You will work alongside other engineers to deliver high-quality software while applying engineering best practices across development, testing, deployment, and monitoring.
Requirements for this challenge
Professional experience in backend software development using C# and .NET.
Hands-on experience with ASP.NET Core APIs and a good understanding of microservices.
Experience developing or supporting applications in Microsoft Azure.
Familiarity with messaging systems and asynchronous communication patterns, particularly Service Bus.
Experience working with relational databases, preferably SQL Server, and familiarity with NoSQL databases such as Cosmos DB.
Understanding of CI/CD concepts and experience with Azure DevOps or GitHub Actions.
Knowledge of automated testing practices, including unit and integration testing.
Familiarity with containerization and orchestration concepts, including Kubernetes or Service Fabric.
Understanding of application monitoring, logging, and observability.
Knowledge of software design principles, clean code, and maintainable architecture.
Awareness of secure coding practices and software compliance requirements.
Strong problem-solving skills and the ability to collaborate effectively with other engineers.
- Advanced English level (speaking).
Nice to Have
Experience with Infrastructure as Code tools and practices.
Familiarity with Domain-Driven Design (DDD), CQRS, and event sourcing.
Experience designing or supporting event-driven architectures.
Exposure to high-scale distributed systems.
Experience with contract testing and automated quality gates in CI/CD pipelines.
Familiarity with Application Insights, Grafana, and OpenTelemetry.
Knowledge of security and compliance standards, particularly PCI DSS.