[Job -30715] Sr. Developer (.Net/AI), Brazil
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[Job -30715] Sr. Developer (.Net/AI), Brazil
Location
Brazil
Experience
Senior
Posted
Jul 28, 2026
Apply by
August 27, 2026
Applicants
0
Early applicantEasy applyFull-timeWork from Home
Job Description
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.
Na CI&T, estamos em busca de um(a)Sr. Developer FullStack (.Net/AI) altamente qualificado(a) e motivado(a) para se juntar à nossa equipe no Brasil. Você contribuirá para um projeto inovador em um ambiente colaborativo, inovador, transformador e multicultural.
Requisitos:
•Experiência sólida como desenvolvedor sênior, com forte capacidade de leitura, validação e revisão crítica de código gerado automaticamente.
• Experiência prática no uso de ferramentas de IA para desenvolvimento de software (ex: OpenAI APIs, Anthropic, GitHub Copilot, etc.), incluindo criação e orquestração de agentes (CrewAI) para geração de código, automação de tarefas e aceleração do ciclo de desenvolvimento.
• Capacidade de estruturar workflows de desenvolvimento orientados por IA (AI-assisted / AI-driven coding), garantindo qualidade, segurança e manutenibilidade do código gerado.
• Experiência em desenvolvimento backend com C# e .NET (preferencialmente .NET 8+), incluindo construção de APIs RESTful.
• Experiência no desenvolvimento de front-end com Angular 19+ e integração com APIs.
• Aplicar princípios SOLID e KISS para manter o código modular, reutilizável e simples.
• Domínio de Design Patterns (Factory, Strategy, Builder, entre outros).
• Experiência com testes automatizados (unitários e integração).
• Experiência com banco de dados relacionais (ex: PostgreSQL ou SQL Server).
• Conhecimento em Docker e docker-compose.
• Conhecimento em observabilidade (logs, métricas e tracing) com ferramentas como Datadog, Grafana ou ELK.
• Experiência com sistemas distribuídos e mensageria (RabbitMQ, Kafka, Service Bus).
• Inglês: Intermediário / Avançado
Diferenciais:
• Experiência em construção de agentes autônomos ou semi-autônomos para desenvolvimento de software.
• Experiência com pipelines de desenvolvimento assistido por IA (ex: geração de código, testes, refatoração automática).
• Conhecimento em engenharia de prompts e avaliação de qualidade de outputs de modelos de IA.
#LI-AM2
Our benefits:
-Health and dental insurance
-Meal and food allowance
-Childcare assistance
-Extended paternity leave
-Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
-Profit Sharing and Results Participation (PLR);
-Life insurance
-Continuous learning platform (CI&T University);
-Discount club
-Free online platform dedicated to physical, mental, and overall well-being
-Pregnancy and responsible parenting course
-Partnerships with online learning platforms
-Language learning platform
And many more!
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](https://docs.google.com/presentation/d/12BqYLIGeEyp9t0ZdF2b4bvnjFLza4E8fmbcowWeBlfk/edit?slide=id.g3a9cf52bf2b_0_0#slide=id.g3a9cf52bf2b_0_0)[.](https://docs.google.com/presentation/d/12BqYLIGeEyp9t0ZdF2b4bvnjFLza4E8fmbcowWeBlfk/edit?slide=id.g3a9cf52bf2b_0_0#slide=id.g3a9cf52bf2b_0_0)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.
Key Responsibilities
- Develop backend services using C# and .NET 8+
- Build front-end applications using Angular 19+
- Integrate AI tools and agents for code generation and automation
- Structure AI-assisted development workflows ensuring code quality and security
- Write automated unit and integration tests
- Manage relational databases and containerized environments
- Implement observability solutions for monitoring and tracing
Skills Required
C#.NET.NET 8+AngularRESTful APIsPostgreSQLSQL ServerDockerdocker-composeDatadogGrafanaELKRabbitMQKafkaService BusCrewAIOpenAI APIsAnthropicGitHub CopilotCritical code reviewWorkflow structuringQuality assurancePrompt EngineeringAI Pipeline DevelopmentAutonomous Agent Development
Benefits
- Health and dental insurance
- Meal and food allowance
- Childcare assistance
- Extended paternity leave
- Gym and wellness partnerships
- Profit Sharing and Results Participation
- Life insurance
- Continuous learning platform
- Discount club
- Well-being platform
- Pregnancy and parenting courses
- Language learning platform
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