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[Job-28182] Senior Backend Developer (.NET & Test Automation), Brazil

Ciandt

Brazil Remote permanent

Posted: March 16, 2026

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Quick Summary

Transformação tecnológica especializada em IA, trabalhando com desenvolvimento de soluções escaláveis em um ambiente colaborativo

Job Description

Somos especialistas em transformação tecnológica, unindo expertise humana à IA para criar soluções tech escaláveis. Com mais de 8,000 CI&Ters ao redor do mundo, já formamos parcerias com mais de 1,000 clientes durante nossos 30 anos de história. Inteligência Artificial é nossa realidade.

Importante: se você reside na Região Metropolitana de Campinas, sua presença nos escritórios da cidade será obrigatória, conforme a política de frequencia vigente.

We are looking for a Senior Back-End Developer (C# with .NET) with experience in automated testing (Cypress/JavaScript), responsible for developing and maintaining robust solutions using .NET 8. This professional will work on large-scale, business-critical applications, focusing on REST APIs, business logic, database integrations, modern software engineering practices, and cloud environments (Azure).

Requirements


Proficiency in C# with .NET 8 or higher


Experience with automated testing using Cypress and/or JavaScript


Experience with microservices and clean architecture


Advanced knowledge of relational databases (SQL Server, PostgreSQL) and NoSQL (MongoDB)


Experience using Dapper or Entity Framework with complex queries


Experience with Docker for development and deployment


Knowledge of GitFlow


Experience creating unit tests in C# using xUnit or NUnit


Practical experience with DDD, dependency injection, and SOLID principles


Experience with CI/CD pipelines, preferably using Azure DevOps


Experience developing REST APIs with a focus on maturity and security


Familiarity with event-driven applications and messaging systems (e.g., Azure Service Bus)


Advanced English (reading, writing, and speaking)

Nice to Have


Experience with monitoring tools (e.g., Datadog)


Knowledge of Azure Cloud


Experience using code analysis tools such as Sonar

#LI-GP1


Nossos benefícios:

- Plano de saúde e odontológico;
- Vale alimentação e refeição;
- Auxílio-creche;
- Licença parental estendida;
- Parceria com academias e profissionais de saúde e bem-estar via Wellhub (Gympass) TotalPass;
- Participação nos Lucros e Resultados (PLR);
- Seguro de Vida;
- Plataforma de aprendizagem contínua (CI&T University);
- Clube de descontos;
- Plataforma online gratuita dedicada à promoção da saúde física, mental e bem-estar;
- Curso gestante e parentalidade responsável;
- Parceria com plataformas de cursos online;
- Plataforma para aprendizagem de idiomas;
- E muitos outros

Mais detalhes sobre os nossos benefícios aqui: https://ciandt.com/br/pt-br/carreiras

Na CI&T, a inclusão começa no primeiro contato. Se você é pessoa com deficiência, é importante apresentar o seu laudo durante o processo seletivo. Consulte quais dados são necessários conter no laudo clicando aqui. Assim, podemos garantir o suporte e as adaptações que você merece. Se ainda não tem o laudo caracterizador, não se preocupe: podemos te apoiar para obtê-lo.

Temos um time dedicado de Saúde e Bem-estar, especialistas em inclusão e grupos de afinidade que estarão com você em todas as etapas. Conte com a gente para fazer essa jornada lado a lado.

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