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 (.Net) 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 em desenvolvimento backend com C# e .NET (preferencialmente .NET 8+), incluindo construção de APIs RESTful.
• Experiência no desenvolvimento de front-end com React 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
Diferenciais:
• Experiência prática no uso de ferramentas de IA para desenvolvimento de software (ex: OpenAI APIs, Anthropic, GitHub Copilot, etc.)
• 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
Skills Required
- Solid experience as a senior developer, including reviewing, validating, and critically assessing automatically generated code
- Backend development experience with C# and .NET, preferably .NET 8 or higher
- Experience building RESTful APIs
- Frontend development experience with React and API integration
- Knowledge of SOLID and KISS principles
- Strong knowledge of design patterns, including Factory, Strategy, and Builder
- Experience with automated unit and integration testing
- Experience with relational databases such as PostgreSQL or SQL Server
- Knowledge of Docker and docker-compose
- Knowledge of observability, including logs, metrics, and tracing, using tools such as Datadog, Grafana, or ELK
- Experience with distributed systems and messaging technologies such as RabbitMQ, Kafka, or Service Bus
- Intermediate English proficiency
- Practical experience using AI tools for software development, such as OpenAI APIs, Anthropic, or GitHub Copilot
- Experience building autonomous or semi-autonomous agents for software development
- Experience with AI-assisted development pipelines for code generation, testing, or automated refactoring
- Knowledge of prompt engineering and evaluating AI model output quality
What We Do
CI&T is your end-to-end digital transformation partner. As a digital native, we bring a 27-year track record of accelerating business impact through complete and scalable digital solutions. With a global presence of 6,000+ professionals in strategy, research, data science, design and engineering, we unlock top-line growth, improve customer experience and drive operational efficiency.







