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Senior .NET Developer

CI&T

Brazil
Full-time
Senior
Salary not listedPosted 1h ago

Real job — pulled straight from CI&T’s careers page · Verified August 30, 2026 · No reposts.

Job description

CI&T is hiring a Senior .NET Developer — a full-time, based in Brazil role. Apply directly on CI&T's careers page below.

[Job - 31363] Sr. Developer (.Net / IA), Brazil

Team: Prod_Argo

Location: Brazil

Commitment: Homeoffice

Workplace Type: remote

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

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.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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Frequently asked questions

What skills are required for Senior .NET Developer at CI&T?

The required skills for Senior .NET Developer at CI&T include: C#, .NET, API, REST, React, PostgreSQL, SQL Server, Docker, Datadog, Grafana, Elasticsearch, RabbitMQ, Kafka.

What is the seniority level for Senior .NET Developer at CI&T?

Senior .NET Developer at CI&T is a Senior level position.

How do I apply for Senior .NET Developer at CI&T?

You can view the full description and apply for Senior .NET Developer at CI&T on EchoJobs: https://echojobs.io/job/ci-t-job-31363-sr-developer-net-ia-brazil-7kb7d.