[Job-31651] Tech Lead FullStack (.Net/React), 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 Tech Lead Fullstack Developer to join our team!

This role will be primarily focused on Frontend development (70%), with 30% Backend, working in a modern, collaborative environment focused on software engineering best practices.

Tech Stack

Frontend — 70%

• React

Backend — 30%

• .NET 8
• C#

Databases

• PostgreSQL
• MongoDB
• Entity Framework Core (EF Core)

Testing

• xUnit
• Bogus (Faker)
• NSubstitute