[Job - 31359]Sr. Developer FullStack (.Net/React) , Brazil
This is the employer's own posting, not a copy on a job board.
What we know
Is it still open?
Confirmed still open
Last checked 1d ago — checked against the employer's own applicant tracking system, which is the company answering directly.
We re-read the employer's own applicant tracking system and the posting was still there. That is the company answering directly.
How old is it?
Posted 17d ago
The date the source published, not the day we noticed it (2026-08-28). Last seen at its source just now.
Is it remote?
Marked remote on the employer's board
Their board carries a remote setting on this posting — a field they filled in, not wording we read. The location field names somewhere specific, which is usually where the team or the entity sits.
Who may apply?
Brazil
The description states no restriction of its own. This is the source's own tag.
Pay not stated
Similar roles pay $95.9k–157.1k/yr
Middle 50% of 8 listings that do state pay — Engineering · Senior · Brazil · USD/year. This employer has published no salary; this is what comparable listings we hold disclose, never converted between currencies or periods. How this is calculated.
Skills named in the ad
Recognised terms only, from a fixed vocabulary — this is what CV matching compares against.
Carried by 1 source
-
lever employer's own board first seen 17d ago · last seen just now
The listing
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 optimization
- Write unit and integration tests for frontend components
- Develop and maintain RESTful APIs and services using .NET 8 and C#
- Implement business logic using the Mediator pattern (MediatR) for clean and decoupled architecture
- Use AutoMapper for efficient object-to-object mapping
- Implement asynchronous messaging with Rebus and Azure Service Bus
- Contribute to database design and queries using PostgreSQL and MongoDB
- Write unit tests using xUnit and generate realistic test data with Faker (Bogus)
- Create test doubles and mocks using NSubstitute
- Participate in code reviews to uphold code quality standards
- Work with Azure DevOps for project management, version control, and pipelines
- Follow GitFlow branching strategy for organized and release-oriented development
- Contribute to Azure Pipelines (CI/CD) using YAML-based configurations
- Solid experience with React (hooks, context, state management)
- Proficiency in JavaScript / TypeScript
- Experience with component-driven development and modern frontend architecture patterns
- Experience with .NET 8 and C# for backend development
- Familiarity with MediatR, AutoMapper, and clean architecture principles
- Experience with messaging/queueing systems (Rebus, Azure Service Bus, or equivalent)
- Experience with PostgreSQL — relational modeling and query optimization
- Experience with MongoDB — document-based modeling and aggregation
- Proficiency with Entity Framework Core (EF Core)
- xUnit for unit and integration testing
- NSubstitute for mocking and test doubles
- Faker / Bogus for realistic test data generation
- Azure DevOps, Git, GitFlow, Azure Pipelines, Azure Service Bus
Diferenciais:
- 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-AM2