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[Job - 31359]Sr. Developer FullStack (.Net/Angular) , Brazil
CI&T, Brazil
About the job
At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.
With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.
We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.
We are looking for a Fullstack Developer with a strong focus on frontend development (70%) and solid backend skills (30%), working in a modern tech stack built on .NET 8, C#, and React. You will build high-quality, scalable, and maintainable features across the full stack, collaborating closely with product, design, and engineering teams.
Requisitos
- Develop and maintain responsive, performant, and accessible user interfaces using React
- Implement reusable components following best practices for scalability and maintainability
- Collaborate with UX/UI designers to translate designs into functional features
Ensure cross-browser compatibility and performance optimizationWrite unit and integration tests for frontend componentsDevelop and maintain RESTful APIs and services using .NET 8 and C#Implement business logic using the Mediator pattern (MediatR) for clean and decoupled architectureUse AutoMapper for efficient object-to-object mappingImplement asynchronous messaging with Rebus and Azure Service BusContribute to database design and queries using PostgreSQL and MongoDBWrite unit tests using xUnit and generate realistic test data with Faker (Bogus)Create test doubles and mocks using NSubstituteParticipate in code reviews to uphold code quality standardsWork with Azure DevOps for project management, version control, and pipelinesFollow GitFlow branching strategy for organized and release-oriented developmentContribute to Azure Pipelines (CI/CD) using YAML-based configurationsSolid experience with React (hooks, context, state management)Proficiency in JavaScript / TypeScriptExperience with component-driven development and modern frontend architecture patternsExperience with .NET 8 and C# for backend developmentFamiliarity with MediatR, AutoMapper, and clean architecture principlesExperience with messaging/queueing systems (Rebus, Azure Service Bus, or equivalent)Experience with PostgreSQL — relational modeling and query optimizationExperience with MongoDB — document-based modeling and aggregationProficiency with Entity Framework Core (EF Core)xUnit for unit and integration testingNSubstitute for mocking and test doublesFaker / Bogus for realistic test data generationAzure DevOps, Git, GitFlow, Azure Pipelines, Azure Service BusDiferenciais
- Knowledge of CQRS combined with MediatR
- Familiarity with Docker and containerization
- Exposure to Azure cloud services (App Services, Functions)
- Understanding of Domain-Driven Design (DDD) principles
- Experience with micro-frontend architecture
#li-am5
Our benefits
-Health and dental insurance
-Extended paternity leave
-Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
-Profit Sharing and Results Participation (PLR);
-Continuous learning platform (CI&T University);
-Free online platform dedicated to physical, mental, and overall well-being
-Pregnancy and responsible parenting course
-Partnerships with online learning platforms
-Language learning platform
More details about our benefits here: https://ciandt.com/br/pt-br/carreiras
At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here.This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.
We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.
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Source: the CI&T Lever job board. We last checked this job 8 h ago. We first saw it 2 days ago. A job on a job board does not always mean that the team interviews people now. We found this job board in a public list. We did not yet compare it with the careers page of the company.
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